{"api_version":"1","generated_at":"2026-05-30T17:07:56+00:00","cve":"CVE-2026-45924","urls":{"html":"https://cve.report/CVE-2026-45924","api":"https://cve.report/api/cve/CVE-2026-45924.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-45924","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-45924"},"summary":{"title":"ksmbd: call ksmbd_vfs_kern_path_end_removing() on some error paths","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: call ksmbd_vfs_kern_path_end_removing() on some error paths\n\nThere are two places where ksmbd_vfs_kern_path_end_removing() needs to be\ncalled in order to balance what the corresponding successful call to\nksmbd_vfs_kern_path_start_removing() has done, i.e. drop inode locks and\nput the taken references.  Otherwise there might be potential deadlocks\nand unbalanced locks which are caught like:\n\nBUG: workqueue leaked lock or atomic: kworker/5:21/0x00000000/7596\n     last function: handle_ksmbd_work\n2 locks held by kworker/5:21/7596:\n #0: ffff8881051ae448 (sb_writers#3){.+.+}-{0:0}, at: ksmbd_vfs_kern_path_locked+0x142/0x660\n #1: ffff888130e966c0 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: ksmbd_vfs_kern_path_locked+0x17d/0x660\nCPU: 5 PID: 7596 Comm: kworker/5:21 Not tainted 6.1.162-00456-gc29b353f383b #138\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.17.0-debian-1.17.0-1 04/01/2014\nWorkqueue: ksmbd-io handle_ksmbd_work\nCall Trace:\n <TASK>\n dump_stack_lvl+0x44/0x5b\n process_one_work.cold+0x57/0x5c\n worker_thread+0x82/0x600\n kthread+0x153/0x190\n ret_from_fork+0x22/0x30\n </TASK>\n\nFound by Linux Verification Center (linuxtesting.org).","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-27 14:17:07","updated_at":"2026-05-27 14:48:03"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/4c38600feb81c670edb82e49d201d3d2d00cd4c3","name":"https://git.kernel.org/stable/c/4c38600feb81c670edb82e49d201d3d2d00cd4c3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f221baa80e5959a0c08a7e34abbf2a4d3cf0e1c2","name":"https://git.kernel.org/stable/c/f221baa80e5959a0c08a7e34abbf2a4d3cf0e1c2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/34d6691933682f0516259a31b39d2cebcedec0a5","name":"https://git.kernel.org/stable/c/34d6691933682f0516259a31b39d2cebcedec0a5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a09dc10d1353f0e92c21eae2a79af1c2b1ddcde8","name":"https://git.kernel.org/stable/c/a09dc10d1353f0e92c21eae2a79af1c2b1ddcde8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8e3a3192ef78d8302916408d62813b1fddfc8972","name":"https://git.kernel.org/stable/c/8e3a3192ef78d8302916408d62813b1fddfc8972","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0c578e8065c4b08d5635a4cbc0f6321df9d20f79","name":"https://git.kernel.org/stable/c/0c578e8065c4b08d5635a4cbc0f6321df9d20f79","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cf29329a13df79c198b45dfc92577638d30b56fa","name":"https://git.kernel.org/stable/c/cf29329a13df79c198b45dfc92577638d30b56fa","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-45924","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45924","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9d5012ffe14120f978ee34aef4df3d6cb026b7c4 8e3a3192ef78d8302916408d62813b1fddfc8972 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ac98d54630d5b52e3f684d872f0d82c06c418ea9 f221baa80e5959a0c08a7e34abbf2a4d3cf0e1c2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1e858a7a51c7b8b009d8f246de7ceb7743b44a71 cf29329a13df79c198b45dfc92577638d30b56fa git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 814cfdb6358d9b84fcbec9918c8f938cc096a43a 34d6691933682f0516259a31b39d2cebcedec0a5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d5fc1400a34b4ea5e8f2ce296ea12bf8c8421694 0c578e8065c4b08d5635a4cbc0f6321df9d20f79 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d5fc1400a34b4ea5e8f2ce296ea12bf8c8421694 4c38600feb81c670edb82e49d201d3d2d00cd4c3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d5fc1400a34b4ea5e8f2ce296ea12bf8c8421694 a09dc10d1353f0e92c21eae2a79af1c2b1ddcde8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a7dddd62578c2eb6cb28b8835556a121b5157323 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a726fef6d7d4cfc365d3434e3916dbfe78991a33 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.15.190 5.15.203 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.1.149 6.1.167 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.6.103 6.6.130 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.12.43 6.12.78 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.15.11 6.16 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.16.2 6.17 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.17","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.17 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.203 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.167 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.130 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.78 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.17 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.4 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"45924","cve":"CVE-2026-45924","epss":"0.000240000","percentile":"0.073930000","score_date":"2026-05-29","updated_at":"2026-05-30 00:13:24"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/smb/server/smb2pdu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8e3a3192ef78d8302916408d62813b1fddfc8972","status":"affected","version":"9d5012ffe14120f978ee34aef4df3d6cb026b7c4","versionType":"git"},{"lessThan":"f221baa80e5959a0c08a7e34abbf2a4d3cf0e1c2","status":"affected","version":"ac98d54630d5b52e3f684d872f0d82c06c418ea9","versionType":"git"},{"lessThan":"cf29329a13df79c198b45dfc92577638d30b56fa","status":"affected","version":"1e858a7a51c7b8b009d8f246de7ceb7743b44a71","versionType":"git"},{"lessThan":"34d6691933682f0516259a31b39d2cebcedec0a5","status":"affected","version":"814cfdb6358d9b84fcbec9918c8f938cc096a43a","versionType":"git"},{"lessThan":"0c578e8065c4b08d5635a4cbc0f6321df9d20f79","status":"affected","version":"d5fc1400a34b4ea5e8f2ce296ea12bf8c8421694","versionType":"git"},{"lessThan":"4c38600feb81c670edb82e49d201d3d2d00cd4c3","status":"affected","version":"d5fc1400a34b4ea5e8f2ce296ea12bf8c8421694","versionType":"git"},{"lessThan":"a09dc10d1353f0e92c21eae2a79af1c2b1ddcde8","status":"affected","version":"d5fc1400a34b4ea5e8f2ce296ea12bf8c8421694","versionType":"git"},{"status":"affected","version":"a7dddd62578c2eb6cb28b8835556a121b5157323","versionType":"git"},{"status":"affected","version":"a726fef6d7d4cfc365d3434e3916dbfe78991a33","versionType":"git"},{"lessThan":"5.15.203","status":"affected","version":"5.15.190","versionType":"semver"},{"lessThan":"6.1.167","status":"affected","version":"6.1.149","versionType":"semver"},{"lessThan":"6.6.130","status":"affected","version":"6.6.103","versionType":"semver"},{"lessThan":"6.12.78","status":"affected","version":"6.12.43","versionType":"semver"},{"lessThan":"6.16","status":"affected","version":"6.15.11","versionType":"semver"},{"lessThan":"6.17","status":"affected","version":"6.16.2","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/smb/server/smb2pdu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.17","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.203","versionStartIncluding":"5.15.190","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.167","versionStartIncluding":"6.1.149","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.130","versionStartIncluding":"6.6.103","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.78","versionStartIncluding":"6.12.43","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.17","versionStartIncluding":"6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.4","versionStartIncluding":"6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: call ksmbd_vfs_kern_path_end_removing() on some error paths\n\nThere are two places where ksmbd_vfs_kern_path_end_removing() needs to be\ncalled in order to balance what the corresponding successful call to\nksmbd_vfs_kern_path_start_removing() has done, i.e. drop inode locks and\nput the taken references.  Otherwise there might be potential deadlocks\nand unbalanced locks which are caught like:\n\nBUG: workqueue leaked lock or atomic: kworker/5:21/0x00000000/7596\n     last function: handle_ksmbd_work\n2 locks held by kworker/5:21/7596:\n #0: ffff8881051ae448 (sb_writers#3){.+.+}-{0:0}, at: ksmbd_vfs_kern_path_locked+0x142/0x660\n #1: ffff888130e966c0 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: ksmbd_vfs_kern_path_locked+0x17d/0x660\nCPU: 5 PID: 7596 Comm: kworker/5:21 Not tainted 6.1.162-00456-gc29b353f383b #138\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.17.0-debian-1.17.0-1 04/01/2014\nWorkqueue: ksmbd-io handle_ksmbd_work\nCall Trace:\n <TASK>\n dump_stack_lvl+0x44/0x5b\n process_one_work.cold+0x57/0x5c\n worker_thread+0x82/0x600\n kthread+0x153/0x190\n ret_from_fork+0x22/0x30\n </TASK>\n\nFound by Linux Verification Center (linuxtesting.org)."}],"providerMetadata":{"dateUpdated":"2026-05-27T12:17:43.229Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/8e3a3192ef78d8302916408d62813b1fddfc8972"},{"url":"https://git.kernel.org/stable/c/f221baa80e5959a0c08a7e34abbf2a4d3cf0e1c2"},{"url":"https://git.kernel.org/stable/c/cf29329a13df79c198b45dfc92577638d30b56fa"},{"url":"https://git.kernel.org/stable/c/34d6691933682f0516259a31b39d2cebcedec0a5"},{"url":"https://git.kernel.org/stable/c/0c578e8065c4b08d5635a4cbc0f6321df9d20f79"},{"url":"https://git.kernel.org/stable/c/4c38600feb81c670edb82e49d201d3d2d00cd4c3"},{"url":"https://git.kernel.org/stable/c/a09dc10d1353f0e92c21eae2a79af1c2b1ddcde8"}],"title":"ksmbd: call ksmbd_vfs_kern_path_end_removing() on some error paths","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-45924","datePublished":"2026-05-27T12:17:43.229Z","dateReserved":"2026-05-13T15:03:33.086Z","dateUpdated":"2026-05-27T12:17:43.229Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-27 14:17:07","lastModifiedDate":"2026-05-27 14:48:03","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"45924","Ordinal":"1","Title":"ksmbd: call ksmbd_vfs_kern_path_end_removing() on some error pat","CVE":"CVE-2026-45924","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"45924","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: call ksmbd_vfs_kern_path_end_removing() on some error paths\n\nThere are two places where ksmbd_vfs_kern_path_end_removing() needs to be\ncalled in order to balance what the corresponding successful call to\nksmbd_vfs_kern_path_start_removing() has done, i.e. drop inode locks and\nput the taken references.  Otherwise there might be potential deadlocks\nand unbalanced locks which are caught like:\n\nBUG: workqueue leaked lock or atomic: kworker/5:21/0x00000000/7596\n     last function: handle_ksmbd_work\n2 locks held by kworker/5:21/7596:\n #0: ffff8881051ae448 (sb_writers#3){.+.+}-{0:0}, at: ksmbd_vfs_kern_path_locked+0x142/0x660\n #1: ffff888130e966c0 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: ksmbd_vfs_kern_path_locked+0x17d/0x660\nCPU: 5 PID: 7596 Comm: kworker/5:21 Not tainted 6.1.162-00456-gc29b353f383b #138\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.17.0-debian-1.17.0-1 04/01/2014\nWorkqueue: ksmbd-io handle_ksmbd_work\nCall Trace:\n <TASK>\n dump_stack_lvl+0x44/0x5b\n process_one_work.cold+0x57/0x5c\n worker_thread+0x82/0x600\n kthread+0x153/0x190\n ret_from_fork+0x22/0x30\n </TASK>\n\nFound by Linux Verification Center (linuxtesting.org).","Type":"Description","Title":"ksmbd: call ksmbd_vfs_kern_path_end_removing() on some error pat"}]}}}