{"api_version":"1","generated_at":"2026-05-13T07:47:44+00:00","cve":"CVE-2024-50151","urls":{"html":"https://cve.report/CVE-2024-50151","api":"https://cve.report/api/cve/CVE-2024-50151.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2024-50151","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-50151"},"summary":{"title":"smb: client: fix OOBs when building SMB2_IOCTL request","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix OOBs when building SMB2_IOCTL request\n\nWhen using encryption, either enforced by the server or when using\n'seal' mount option, the client will squash all compound request buffers\ndown for encryption into a single iov in smb2_set_next_command().\n\nSMB2_ioctl_init() allocates a small buffer (448 bytes) to hold the\nSMB2_IOCTL request in the first iov, and if the user passes an input\nbuffer that is greater than 328 bytes, smb2_set_next_command() will\nend up writing off the end of @rqst->iov[0].iov_base as shown below:\n\n  mount.cifs //srv/share /mnt -o ...,seal\n  ln -s $(perl -e \"print('a')for 1..1024\") /mnt/link\n\n  BUG: KASAN: slab-out-of-bounds in\n  smb2_set_next_command.cold+0x1d6/0x24c [cifs]\n  Write of size 4116 at addr ffff8881148fcab8 by task ln/859\n\n  CPU: 1 UID: 0 PID: 859 Comm: ln Not tainted 6.12.0-rc3 #1\n  Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS\n  1.16.3-2.fc40 04/01/2014\n  Call Trace:\n   <TASK>\n   dump_stack_lvl+0x5d/0x80\n   ? smb2_set_next_command.cold+0x1d6/0x24c [cifs]\n   print_report+0x156/0x4d9\n   ? smb2_set_next_command.cold+0x1d6/0x24c [cifs]\n   ? __virt_addr_valid+0x145/0x310\n   ? __phys_addr+0x46/0x90\n   ? smb2_set_next_command.cold+0x1d6/0x24c [cifs]\n   kasan_report+0xda/0x110\n   ? smb2_set_next_command.cold+0x1d6/0x24c [cifs]\n   kasan_check_range+0x10f/0x1f0\n   __asan_memcpy+0x3c/0x60\n   smb2_set_next_command.cold+0x1d6/0x24c [cifs]\n   smb2_compound_op+0x238c/0x3840 [cifs]\n   ? kasan_save_track+0x14/0x30\n   ? kasan_save_free_info+0x3b/0x70\n   ? vfs_symlink+0x1a1/0x2c0\n   ? do_symlinkat+0x108/0x1c0\n   ? __pfx_smb2_compound_op+0x10/0x10 [cifs]\n   ? kmem_cache_free+0x118/0x3e0\n   ? cifs_get_writable_path+0xeb/0x1a0 [cifs]\n   smb2_get_reparse_inode+0x423/0x540 [cifs]\n   ? __pfx_smb2_get_reparse_inode+0x10/0x10 [cifs]\n   ? rcu_is_watching+0x20/0x50\n   ? __kmalloc_noprof+0x37c/0x480\n   ? smb2_create_reparse_symlink+0x257/0x490 [cifs]\n   ? smb2_create_reparse_symlink+0x38f/0x490 [cifs]\n   smb2_create_reparse_symlink+0x38f/0x490 [cifs]\n   ? __pfx_smb2_create_reparse_symlink+0x10/0x10 [cifs]\n   ? find_held_lock+0x8a/0xa0\n   ? hlock_class+0x32/0xb0\n   ? __build_path_from_dentry_optional_prefix+0x19d/0x2e0 [cifs]\n   cifs_symlink+0x24f/0x960 [cifs]\n   ? __pfx_make_vfsuid+0x10/0x10\n   ? __pfx_cifs_symlink+0x10/0x10 [cifs]\n   ? make_vfsgid+0x6b/0xc0\n   ? generic_permission+0x96/0x2d0\n   vfs_symlink+0x1a1/0x2c0\n   do_symlinkat+0x108/0x1c0\n   ? __pfx_do_symlinkat+0x10/0x10\n   ? strncpy_from_user+0xaa/0x160\n   __x64_sys_symlinkat+0xb9/0xf0\n   do_syscall_64+0xbb/0x1d0\n   entry_SYSCALL_64_after_hwframe+0x77/0x7f\n  RIP: 0033:0x7f08d75c13bb","state":"PUBLISHED","assigner":"Linux","published_at":"2024-11-07 10:15:06","updated_at":"2026-05-12 13:16:18"},"problem_types":["CWE-787","CWE-787 CWE-787 Out-of-bounds Write"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"ADP","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","name":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e07d05b7f5ad9a503d9cab0afde2ab867bb65470","name":"https://git.kernel.org/stable/c/e07d05b7f5ad9a503d9cab0afde2ab867bb65470","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b209c3a0bc3ac172265c7fa8309e5d00654f2510","name":"https://git.kernel.org/stable/c/b209c3a0bc3ac172265c7fa8309e5d00654f2510","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","name":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","refsource":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fe92ddc1c32d4474e605e3a31a4afcd0e7d765ec","name":"https://git.kernel.org/stable/c/fe92ddc1c32d4474e605e3a31a4afcd0e7d765ec","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6f0516ef1290da24b85461ed08a0938af7415e49","name":"https://git.kernel.org/stable/c/6f0516ef1290da24b85461ed08a0938af7415e49","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2ef632bfb888d1a14f81c1703817951e0bec5531","name":"https://git.kernel.org/stable/c/2ef632bfb888d1a14f81c1703817951e0bec5531","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ed31aba8ce93472d9e16f5cff844ae7c94e9601d","name":"https://git.kernel.org/stable/c/ed31aba8ce93472d9e16f5cff844ae7c94e9601d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","name":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1ab60323c5201bef25f2a3dc0ccc404d9aca77f1","name":"https://git.kernel.org/stable/c/1ab60323c5201bef25f2a3dc0ccc404d9aca77f1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-50151","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-50151","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e77fe73c7e38c36145825d84cfe385d400aba4fd 6f0516ef1290da24b85461ed08a0938af7415e49 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e77fe73c7e38c36145825d84cfe385d400aba4fd ed31aba8ce93472d9e16f5cff844ae7c94e9601d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e77fe73c7e38c36145825d84cfe385d400aba4fd e07d05b7f5ad9a503d9cab0afde2ab867bb65470 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e77fe73c7e38c36145825d84cfe385d400aba4fd 2ef632bfb888d1a14f81c1703817951e0bec5531 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e77fe73c7e38c36145825d84cfe385d400aba4fd b209c3a0bc3ac172265c7fa8309e5d00654f2510 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e77fe73c7e38c36145825d84cfe385d400aba4fd fe92ddc1c32d4474e605e3a31a4afcd0e7d765ec git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e77fe73c7e38c36145825d84cfe385d400aba4fd 1ab60323c5201bef25f2a3dc0ccc404d9aca77f1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.0","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.0 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.4.285 5.4.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.229 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.170 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.115 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.59 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.11.6 6.11.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12 * original_commit_for_fix","platforms":[]},{"source":"ADP","vendor":"Siemens","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","version":"affected * custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2024","cve_id":"50151","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}},{"other":{"content":{"id":"CVE-2024-50151","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2025-10-01T20:20:44.094146Z","version":"2.0.3"},"type":"ssvc"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2025-10-01T20:27:13.291Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"},{"providerMetadata":{"dateUpdated":"2025-11-03T22:26:10.332Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}],"title":"CVE Program Container"},{"affected":[{"defaultStatus":"unknown","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"0","versionType":"custom"}]}],"providerMetadata":{"dateUpdated":"2026-05-12T12:00:23.831Z","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP"},"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html"}],"x_adpType":"supplier"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/smb/client/smb2pdu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6f0516ef1290da24b85461ed08a0938af7415e49","status":"affected","version":"e77fe73c7e38c36145825d84cfe385d400aba4fd","versionType":"git"},{"lessThan":"ed31aba8ce93472d9e16f5cff844ae7c94e9601d","status":"affected","version":"e77fe73c7e38c36145825d84cfe385d400aba4fd","versionType":"git"},{"lessThan":"e07d05b7f5ad9a503d9cab0afde2ab867bb65470","status":"affected","version":"e77fe73c7e38c36145825d84cfe385d400aba4fd","versionType":"git"},{"lessThan":"2ef632bfb888d1a14f81c1703817951e0bec5531","status":"affected","version":"e77fe73c7e38c36145825d84cfe385d400aba4fd","versionType":"git"},{"lessThan":"b209c3a0bc3ac172265c7fa8309e5d00654f2510","status":"affected","version":"e77fe73c7e38c36145825d84cfe385d400aba4fd","versionType":"git"},{"lessThan":"fe92ddc1c32d4474e605e3a31a4afcd0e7d765ec","status":"affected","version":"e77fe73c7e38c36145825d84cfe385d400aba4fd","versionType":"git"},{"lessThan":"1ab60323c5201bef25f2a3dc0ccc404d9aca77f1","status":"affected","version":"e77fe73c7e38c36145825d84cfe385d400aba4fd","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/smb/client/smb2pdu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.0"},{"lessThan":"5.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.4.*","status":"unaffected","version":"5.4.285","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.229","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.170","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.115","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.59","versionType":"semver"},{"lessThanOrEqual":"6.11.*","status":"unaffected","version":"6.11.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.12","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.4.285","versionStartIncluding":"5.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.229","versionStartIncluding":"5.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.170","versionStartIncluding":"5.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.115","versionStartIncluding":"5.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.59","versionStartIncluding":"5.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.11.6","versionStartIncluding":"5.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12","versionStartIncluding":"5.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix OOBs when building SMB2_IOCTL request\n\nWhen using encryption, either enforced by the server or when using\n'seal' mount option, the client will squash all compound request buffers\ndown for encryption into a single iov in smb2_set_next_command().\n\nSMB2_ioctl_init() allocates a small buffer (448 bytes) to hold the\nSMB2_IOCTL request in the first iov, and if the user passes an input\nbuffer that is greater than 328 bytes, smb2_set_next_command() will\nend up writing off the end of @rqst->iov[0].iov_base as shown below:\n\n  mount.cifs //srv/share /mnt -o ...,seal\n  ln -s $(perl -e \"print('a')for 1..1024\") /mnt/link\n\n  BUG: KASAN: slab-out-of-bounds in\n  smb2_set_next_command.cold+0x1d6/0x24c [cifs]\n  Write of size 4116 at addr ffff8881148fcab8 by task ln/859\n\n  CPU: 1 UID: 0 PID: 859 Comm: ln Not tainted 6.12.0-rc3 #1\n  Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS\n  1.16.3-2.fc40 04/01/2014\n  Call Trace:\n   <TASK>\n   dump_stack_lvl+0x5d/0x80\n   ? smb2_set_next_command.cold+0x1d6/0x24c [cifs]\n   print_report+0x156/0x4d9\n   ? smb2_set_next_command.cold+0x1d6/0x24c [cifs]\n   ? __virt_addr_valid+0x145/0x310\n   ? __phys_addr+0x46/0x90\n   ? smb2_set_next_command.cold+0x1d6/0x24c [cifs]\n   kasan_report+0xda/0x110\n   ? smb2_set_next_command.cold+0x1d6/0x24c [cifs]\n   kasan_check_range+0x10f/0x1f0\n   __asan_memcpy+0x3c/0x60\n   smb2_set_next_command.cold+0x1d6/0x24c [cifs]\n   smb2_compound_op+0x238c/0x3840 [cifs]\n   ? kasan_save_track+0x14/0x30\n   ? kasan_save_free_info+0x3b/0x70\n   ? vfs_symlink+0x1a1/0x2c0\n   ? do_symlinkat+0x108/0x1c0\n   ? __pfx_smb2_compound_op+0x10/0x10 [cifs]\n   ? kmem_cache_free+0x118/0x3e0\n   ? cifs_get_writable_path+0xeb/0x1a0 [cifs]\n   smb2_get_reparse_inode+0x423/0x540 [cifs]\n   ? __pfx_smb2_get_reparse_inode+0x10/0x10 [cifs]\n   ? rcu_is_watching+0x20/0x50\n   ? __kmalloc_noprof+0x37c/0x480\n   ? smb2_create_reparse_symlink+0x257/0x490 [cifs]\n   ? smb2_create_reparse_symlink+0x38f/0x490 [cifs]\n   smb2_create_reparse_symlink+0x38f/0x490 [cifs]\n   ? __pfx_smb2_create_reparse_symlink+0x10/0x10 [cifs]\n   ? find_held_lock+0x8a/0xa0\n   ? hlock_class+0x32/0xb0\n   ? __build_path_from_dentry_optional_prefix+0x19d/0x2e0 [cifs]\n   cifs_symlink+0x24f/0x960 [cifs]\n   ? __pfx_make_vfsuid+0x10/0x10\n   ? __pfx_cifs_symlink+0x10/0x10 [cifs]\n   ? make_vfsgid+0x6b/0xc0\n   ? generic_permission+0x96/0x2d0\n   vfs_symlink+0x1a1/0x2c0\n   do_symlinkat+0x108/0x1c0\n   ? __pfx_do_symlinkat+0x10/0x10\n   ? strncpy_from_user+0xaa/0x160\n   __x64_sys_symlinkat+0xb9/0xf0\n   do_syscall_64+0xbb/0x1d0\n   entry_SYSCALL_64_after_hwframe+0x77/0x7f\n  RIP: 0033:0x7f08d75c13bb"}],"providerMetadata":{"dateUpdated":"2026-05-11T20:46:25.825Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/6f0516ef1290da24b85461ed08a0938af7415e49"},{"url":"https://git.kernel.org/stable/c/ed31aba8ce93472d9e16f5cff844ae7c94e9601d"},{"url":"https://git.kernel.org/stable/c/e07d05b7f5ad9a503d9cab0afde2ab867bb65470"},{"url":"https://git.kernel.org/stable/c/2ef632bfb888d1a14f81c1703817951e0bec5531"},{"url":"https://git.kernel.org/stable/c/b209c3a0bc3ac172265c7fa8309e5d00654f2510"},{"url":"https://git.kernel.org/stable/c/fe92ddc1c32d4474e605e3a31a4afcd0e7d765ec"},{"url":"https://git.kernel.org/stable/c/1ab60323c5201bef25f2a3dc0ccc404d9aca77f1"}],"title":"smb: client: fix OOBs when building SMB2_IOCTL request","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2024-50151","datePublished":"2024-11-07T09:31:27.672Z","dateReserved":"2024-10-21T19:36:19.959Z","dateUpdated":"2026-05-12T12:00:23.831Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2024-11-07 10:15:06","lastModifiedDate":"2026-05-12 13:16:18","problem_types":["CWE-787","CWE-787 CWE-787 Out-of-bounds Write"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"5.4.285","matchCriteriaId":"624D9A7E-BE56-498C-AB49-4DF81EB85011"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.229","matchCriteriaId":"1A03CABE-9B43-4E7F-951F-10DEEADAA426"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.170","matchCriteriaId":"A9BA1C73-2D2E-45E3-937B-276A28AEB5FC"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.115","matchCriteriaId":"C08A77A6-E42E-4EFD-B5A1-2BF6CBBB42AE"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.59","matchCriteriaId":"5D15CA59-D15C-4ACD-8B03-A072DEAD2081"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.11.6","matchCriteriaId":"E4486B12-007B-4794-9857-F07145637AA1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*","matchCriteriaId":"7F361E1D-580F-4A2D-A509-7615F73167A1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*","matchCriteriaId":"925478D0-3E3D-4E6F-ACD5-09F28D5DF82C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*","matchCriteriaId":"3C95E234-D335-4B6C-96BF-E2CEBD8654ED"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2024","CveId":"50151","Ordinal":"1","Title":"smb: client: fix OOBs when building SMB2_IOCTL request","CVE":"CVE-2024-50151","Year":"2024"},"notes":[{"CveYear":"2024","CveId":"50151","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix OOBs when building SMB2_IOCTL request\n\nWhen using encryption, either enforced by the server or when using\n'seal' mount option, the client will squash all compound request buffers\ndown for encryption into a single iov in smb2_set_next_command().\n\nSMB2_ioctl_init() allocates a small buffer (448 bytes) to hold the\nSMB2_IOCTL request in the first iov, and if the user passes an input\nbuffer that is greater than 328 bytes, smb2_set_next_command() will\nend up writing off the end of @rqst->iov[0].iov_base as shown below:\n\n  mount.cifs //srv/share /mnt -o ...,seal\n  ln -s $(perl -e \"print('a')for 1..1024\") /mnt/link\n\n  BUG: KASAN: slab-out-of-bounds in\n  smb2_set_next_command.cold+0x1d6/0x24c [cifs]\n  Write of size 4116 at addr ffff8881148fcab8 by task ln/859\n\n  CPU: 1 UID: 0 PID: 859 Comm: ln Not tainted 6.12.0-rc3 #1\n  Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS\n  1.16.3-2.fc40 04/01/2014\n  Call Trace:\n   <TASK>\n   dump_stack_lvl+0x5d/0x80\n   ? smb2_set_next_command.cold+0x1d6/0x24c [cifs]\n   print_report+0x156/0x4d9\n   ? smb2_set_next_command.cold+0x1d6/0x24c [cifs]\n   ? __virt_addr_valid+0x145/0x310\n   ? __phys_addr+0x46/0x90\n   ? smb2_set_next_command.cold+0x1d6/0x24c [cifs]\n   kasan_report+0xda/0x110\n   ? smb2_set_next_command.cold+0x1d6/0x24c [cifs]\n   kasan_check_range+0x10f/0x1f0\n   __asan_memcpy+0x3c/0x60\n   smb2_set_next_command.cold+0x1d6/0x24c [cifs]\n   smb2_compound_op+0x238c/0x3840 [cifs]\n   ? kasan_save_track+0x14/0x30\n   ? kasan_save_free_info+0x3b/0x70\n   ? vfs_symlink+0x1a1/0x2c0\n   ? do_symlinkat+0x108/0x1c0\n   ? __pfx_smb2_compound_op+0x10/0x10 [cifs]\n   ? kmem_cache_free+0x118/0x3e0\n   ? cifs_get_writable_path+0xeb/0x1a0 [cifs]\n   smb2_get_reparse_inode+0x423/0x540 [cifs]\n   ? __pfx_smb2_get_reparse_inode+0x10/0x10 [cifs]\n   ? rcu_is_watching+0x20/0x50\n   ? __kmalloc_noprof+0x37c/0x480\n   ? smb2_create_reparse_symlink+0x257/0x490 [cifs]\n   ? smb2_create_reparse_symlink+0x38f/0x490 [cifs]\n   smb2_create_reparse_symlink+0x38f/0x490 [cifs]\n   ? __pfx_smb2_create_reparse_symlink+0x10/0x10 [cifs]\n   ? find_held_lock+0x8a/0xa0\n   ? hlock_class+0x32/0xb0\n   ? __build_path_from_dentry_optional_prefix+0x19d/0x2e0 [cifs]\n   cifs_symlink+0x24f/0x960 [cifs]\n   ? __pfx_make_vfsuid+0x10/0x10\n   ? __pfx_cifs_symlink+0x10/0x10 [cifs]\n   ? make_vfsgid+0x6b/0xc0\n   ? generic_permission+0x96/0x2d0\n   vfs_symlink+0x1a1/0x2c0\n   do_symlinkat+0x108/0x1c0\n   ? __pfx_do_symlinkat+0x10/0x10\n   ? strncpy_from_user+0xaa/0x160\n   __x64_sys_symlinkat+0xb9/0xf0\n   do_syscall_64+0xbb/0x1d0\n   entry_SYSCALL_64_after_hwframe+0x77/0x7f\n  RIP: 0033:0x7f08d75c13bb","Type":"Description","Title":"smb: client: fix OOBs when building SMB2_IOCTL request"}]}}}