{"api_version":"1","generated_at":"2026-11-12T02:29:24+00:00","cve":"CVE-2022-50159","urls":{"html":"https://cve.report/CVE-2022-50159","api":"https://cve.report/api/cve/CVE-2022-50159.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-50159","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-50159"},"summary":{"title":"of: check previous kernel's ima-kexec-buffer against memory bounds","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nof: check previous kernel's ima-kexec-buffer against memory bounds\n\nPresently ima_get_kexec_buffer() doesn't check if the previous kernel's\nima-kexec-buffer lies outside the addressable memory range. This can result\nin a kernel panic if the new kernel is booted with 'mem=X' arg and the\nima-kexec-buffer was allocated beyond that range by the previous kernel.\nThe panic is usually of the form below:\n\n$ sudo kexec --initrd initrd vmlinux --append='mem=16G'\n\n<snip>\n BUG: Unable to handle kernel data access on read at 0xc000c01fff7f0000\n Faulting instruction address: 0xc000000000837974\n Oops: Kernel access of bad area, sig: 11 [#1]\n<snip>\n NIP [c000000000837974] ima_restore_measurement_list+0x94/0x6c0\n LR [c00000000083b55c] ima_load_kexec_buffer+0xac/0x160\n Call Trace:\n [c00000000371fa80] [c00000000083b55c] ima_load_kexec_buffer+0xac/0x160\n [c00000000371fb00] [c0000000020512c4] ima_init+0x80/0x108\n [c00000000371fb70] [c0000000020514dc] init_ima+0x4c/0x120\n [c00000000371fbf0] [c000000000012240] do_one_initcall+0x60/0x2c0\n [c00000000371fcc0] [c000000002004ad0] kernel_init_freeable+0x344/0x3ec\n [c00000000371fda0] [c0000000000128a4] kernel_init+0x34/0x1b0\n [c00000000371fe10] [c00000000000ce64] ret_from_kernel_thread+0x5c/0x64\n Instruction dump:\n f92100b8 f92100c0 90e10090 910100a0 4182050c 282a0017 3bc00000 40810330\n 7c0802a6 fb610198 7c9b2378 f80101d0 <a1240000> 2c090001 40820614 e9240010\n ---[ end trace 0000000000000000 ]---\n\nFix this issue by checking returned PFN range of previous kernel's\nima-kexec-buffer with page_is_ram() to ensure correct memory bounds.","state":"PUBLISHED","assigner":"Linux","published_at":"2025-06-18 11:15:46","updated_at":"2026-11-05 20:17:25"},"problem_types":["NVD-CWE-noinfo"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/1b2263d6c86fca8f30e18231778393bfc287bb27","name":"https://git.kernel.org/stable/c/1b2263d6c86fca8f30e18231778393bfc287bb27","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/dc3b8525f83ac6bbc885bb24bbb8a76f4622200e","name":"https://git.kernel.org/stable/c/dc3b8525f83ac6bbc885bb24bbb8a76f4622200e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/beb5bba5dd132650c073f815c685c60c3e5b783b","name":"https://git.kernel.org/stable/c/beb5bba5dd132650c073f815c685c60c3e5b783b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cbf9c4b9617b6767886a913705ca14b7600c77db","name":"https://git.kernel.org/stable/c/cbf9c4b9617b6767886a913705ca14b7600c77db","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-50159","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50159","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 467d27824920e866af148132f555d40ca1fb199e beb5bba5dd132650c073f815c685c60c3e5b783b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 467d27824920e866af148132f555d40ca1fb199e dc3b8525f83ac6bbc885bb24bbb8a76f4622200e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 467d27824920e866af148132f555d40ca1fb199e 1b2263d6c86fca8f30e18231778393bfc287bb27 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 467d27824920e866af148132f555d40ca1fb199e cbf9c4b9617b6767886a913705ca14b7600c77db git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.10","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.10 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.61 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.18.18 5.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.19.2 5.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"50159","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":[{"other":{"content":{"id":"CVE-2022-50159","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-11-05T19:55:21.572245Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-11-05T20:00:19.027Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/of/kexec.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"beb5bba5dd132650c073f815c685c60c3e5b783b","status":"affected","version":"467d27824920e866af148132f555d40ca1fb199e","versionType":"git"},{"lessThan":"dc3b8525f83ac6bbc885bb24bbb8a76f4622200e","status":"affected","version":"467d27824920e866af148132f555d40ca1fb199e","versionType":"git"},{"lessThan":"1b2263d6c86fca8f30e18231778393bfc287bb27","status":"affected","version":"467d27824920e866af148132f555d40ca1fb199e","versionType":"git"},{"lessThan":"cbf9c4b9617b6767886a913705ca14b7600c77db","status":"affected","version":"467d27824920e866af148132f555d40ca1fb199e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/of/kexec.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.10"},{"lessThan":"4.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.61","versionType":"semver"},{"lessThanOrEqual":"5.18.*","status":"unaffected","version":"5.18.18","versionType":"semver"},{"lessThanOrEqual":"5.19.*","status":"unaffected","version":"5.19.2","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.61","versionStartIncluding":"4.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.18.18","versionStartIncluding":"4.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.19.2","versionStartIncluding":"4.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.0","versionStartIncluding":"4.10","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nof: check previous kernel's ima-kexec-buffer against memory bounds\n\nPresently ima_get_kexec_buffer() doesn't check if the previous kernel's\nima-kexec-buffer lies outside the addressable memory range. This can result\nin a kernel panic if the new kernel is booted with 'mem=X' arg and the\nima-kexec-buffer was allocated beyond that range by the previous kernel.\nThe panic is usually of the form below:\n\n$ sudo kexec --initrd initrd vmlinux --append='mem=16G'\n\n<snip>\n BUG: Unable to handle kernel data access on read at 0xc000c01fff7f0000\n Faulting instruction address: 0xc000000000837974\n Oops: Kernel access of bad area, sig: 11 [#1]\n<snip>\n NIP [c000000000837974] ima_restore_measurement_list+0x94/0x6c0\n LR [c00000000083b55c] ima_load_kexec_buffer+0xac/0x160\n Call Trace:\n [c00000000371fa80] [c00000000083b55c] ima_load_kexec_buffer+0xac/0x160\n [c00000000371fb00] [c0000000020512c4] ima_init+0x80/0x108\n [c00000000371fb70] [c0000000020514dc] init_ima+0x4c/0x120\n [c00000000371fbf0] [c000000000012240] do_one_initcall+0x60/0x2c0\n [c00000000371fcc0] [c000000002004ad0] kernel_init_freeable+0x344/0x3ec\n [c00000000371fda0] [c0000000000128a4] kernel_init+0x34/0x1b0\n [c00000000371fe10] [c00000000000ce64] ret_from_kernel_thread+0x5c/0x64\n Instruction dump:\n f92100b8 f92100c0 90e10090 910100a0 4182050c 282a0017 3bc00000 40810330\n 7c0802a6 fb610198 7c9b2378 f80101d0 <a1240000> 2c090001 40820614 e9240010\n ---[ end trace 0000000000000000 ]---\n\nFix this issue by checking returned PFN range of previous kernel's\nima-kexec-buffer with page_is_ram() to ensure correct memory bounds."}],"providerMetadata":{"dateUpdated":"2026-05-11T19:13:56.896Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/beb5bba5dd132650c073f815c685c60c3e5b783b"},{"url":"https://git.kernel.org/stable/c/dc3b8525f83ac6bbc885bb24bbb8a76f4622200e"},{"url":"https://git.kernel.org/stable/c/1b2263d6c86fca8f30e18231778393bfc287bb27"},{"url":"https://git.kernel.org/stable/c/cbf9c4b9617b6767886a913705ca14b7600c77db"}],"title":"of: check previous kernel's ima-kexec-buffer against memory bounds","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2022-50159","datePublished":"2025-06-18T11:03:15.826Z","dateReserved":"2025-06-18T10:57:27.425Z","dateUpdated":"2026-11-05T20:00:19.027Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-06-18 11:15:46","lastModifiedDate":"2026-11-05 20:17:25","problem_types":["NVD-CWE-noinfo"],"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:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-11-05T19:55:21.572245Z","id":"CVE-2022-50159","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"5.15.61","matchCriteriaId":"CCA61D13-625A-453E-9E74-3B89E83972B0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.18.18","matchCriteriaId":"5B42E453-8837-49D0-A5EF-03F818A6DC11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"5.19.2","matchCriteriaId":"A1A2A5A5-4598-4D7E-BA07-4660398D6C8F"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2022","CveId":"50159","Ordinal":"1","Title":"of: check previous kernel's ima-kexec-buffer against memory boun","CVE":"CVE-2022-50159","Year":"2022"},"notes":[{"CveYear":"2022","CveId":"50159","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nof: check previous kernel's ima-kexec-buffer against memory bounds\n\nPresently ima_get_kexec_buffer() doesn't check if the previous kernel's\nima-kexec-buffer lies outside the addressable memory range. This can result\nin a kernel panic if the new kernel is booted with 'mem=X' arg and the\nima-kexec-buffer was allocated beyond that range by the previous kernel.\nThe panic is usually of the form below:\n\n$ sudo kexec --initrd initrd vmlinux --append='mem=16G'\n\n<snip>\n BUG: Unable to handle kernel data access on read at 0xc000c01fff7f0000\n Faulting instruction address: 0xc000000000837974\n Oops: Kernel access of bad area, sig: 11 [#1]\n<snip>\n NIP [c000000000837974] ima_restore_measurement_list+0x94/0x6c0\n LR [c00000000083b55c] ima_load_kexec_buffer+0xac/0x160\n Call Trace:\n [c00000000371fa80] [c00000000083b55c] ima_load_kexec_buffer+0xac/0x160\n [c00000000371fb00] [c0000000020512c4] ima_init+0x80/0x108\n [c00000000371fb70] [c0000000020514dc] init_ima+0x4c/0x120\n [c00000000371fbf0] [c000000000012240] do_one_initcall+0x60/0x2c0\n [c00000000371fcc0] [c000000002004ad0] kernel_init_freeable+0x344/0x3ec\n [c00000000371fda0] [c0000000000128a4] kernel_init+0x34/0x1b0\n [c00000000371fe10] [c00000000000ce64] ret_from_kernel_thread+0x5c/0x64\n Instruction dump:\n f92100b8 f92100c0 90e10090 910100a0 4182050c 282a0017 3bc00000 40810330\n 7c0802a6 fb610198 7c9b2378 f80101d0 <a1240000> 2c090001 40820614 e9240010\n ---[ end trace 0000000000000000 ]---\n\nFix this issue by checking returned PFN range of previous kernel's\nima-kexec-buffer with page_is_ram() to ensure correct memory bounds.","Type":"Description","Title":"of: check previous kernel's ima-kexec-buffer against memory boun"}]}}}