{"id":"CVE-2022-49145","state":"PUBLISHED","title":"ACPI: CPPC: Avoid out of bounds access when parsing _CPC data","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: CPPC: Avoid out of bounds access when parsing _CPC data\n\nIf the NumEntries field in the _CPC return package is less than 2, do\nnot attempt to access the \"Revision\" element of that package, because\nit may not be present then.\n\nBugLink: https://lore.kernel.org/lkml/20220322143534.GC32582@xsang-OptiPlex-9020/","publishedAt":"2025-02-26T01:55:14.355Z","updatedAt":"2026-05-11T18:53:59.526Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"337aadff8e4567e39669e07d9a88b789d78458b5","status":"affected","lessThan":"b3f15609ffa521de12244cd6af24002030dda3f5","versionType":"git"},{"version":"337aadff8e4567e39669e07d9a88b789d78458b5","status":"affected","lessThan":"d208ea44e25b31db5a4d5e8c31df51787a3e9303","versionType":"git"},{"version":"337aadff8e4567e39669e07d9a88b789d78458b5","status":"affected","lessThan":"28d5387c1994f5e1e0d41b30a1f3dd6e1f609252","versionType":"git"},{"version":"337aadff8e4567e39669e07d9a88b789d78458b5","status":"affected","lessThan":"cb249f8c00f40dba83b7da8207ac14ca46e9ec9e","versionType":"git"},{"version":"337aadff8e4567e39669e07d9a88b789d78458b5","status":"affected","lessThan":"e5b681822cac1f8093759b02e16c06b2c64b6788","versionType":"git"},{"version":"337aadff8e4567e39669e07d9a88b789d78458b5","status":"affected","lessThan":"97b5593fd1b182b3fdb180b6bbe64ec09669988b","versionType":"git"},{"version":"337aadff8e4567e39669e07d9a88b789d78458b5","status":"affected","lessThan":"b80b19b32a432c9eee1cd200ef7aaddf608f54d1","versionType":"git"},{"version":"337aadff8e4567e39669e07d9a88b789d78458b5","status":"affected","lessThan":"d7339f2a3938fb56b5f28d53f5345900b5fa0e74","versionType":"git"},{"version":"337aadff8e4567e39669e07d9a88b789d78458b5","status":"affected","lessThan":"40d8abf364bcab23bc715a9221a3c8623956257b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/cppc_acpi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.4","versionType":"semver"},{"version":"4.9.311","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.276","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.238","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.189","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.110","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.33","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.19","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17.2","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/cppc_acpi.c"]}],"references":["https://git.kernel.org/stable/c/b3f15609ffa521de12244cd6af24002030dda3f5","https://git.kernel.org/stable/c/d208ea44e25b31db5a4d5e8c31df51787a3e9303","https://git.kernel.org/stable/c/28d5387c1994f5e1e0d41b30a1f3dd6e1f609252","https://git.kernel.org/stable/c/cb249f8c00f40dba83b7da8207ac14ca46e9ec9e","https://git.kernel.org/stable/c/e5b681822cac1f8093759b02e16c06b2c64b6788","https://git.kernel.org/stable/c/97b5593fd1b182b3fdb180b6bbe64ec09669988b","https://git.kernel.org/stable/c/b80b19b32a432c9eee1cd200ef7aaddf608f54d1","https://git.kernel.org/stable/c/d7339f2a3938fb56b5f28d53f5345900b5fa0e74","https://git.kernel.org/stable/c/40d8abf364bcab23bc715a9221a3c8623956257b"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49145.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49145","state":"PUBLISHED","datePublished":"2025-02-26T01:55:14.355Z","dateUpdated":"2026-05-11T18:53:59.526Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T01:49:39.270Z"},"containers":{"cna":{"title":"ACPI: CPPC: Avoid out of bounds access when parsing _CPC data","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: CPPC: Avoid out of bounds access when parsing _CPC data\n\nIf the NumEntries field in the _CPC return package is less than 2, do\nnot attempt to access the \"Revision\" element of that package, because\nit may not be present then.\n\nBugLink: https://lore.kernel.org/lkml/20220322143534.GC32582@xsang-OptiPlex-9020/"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"337aadff8e4567e39669e07d9a88b789d78458b5","status":"affected","lessThan":"b3f15609ffa521de12244cd6af24002030dda3f5","versionType":"git"},{"version":"337aadff8e4567e39669e07d9a88b789d78458b5","status":"affected","lessThan":"d208ea44e25b31db5a4d5e8c31df51787a3e9303","versionType":"git"},{"version":"337aadff8e4567e39669e07d9a88b789d78458b5","status":"affected","lessThan":"28d5387c1994f5e1e0d41b30a1f3dd6e1f609252","versionType":"git"},{"version":"337aadff8e4567e39669e07d9a88b789d78458b5","status":"affected","lessThan":"cb249f8c00f40dba83b7da8207ac14ca46e9ec9e","versionType":"git"},{"version":"337aadff8e4567e39669e07d9a88b789d78458b5","status":"affected","lessThan":"e5b681822cac1f8093759b02e16c06b2c64b6788","versionType":"git"},{"version":"337aadff8e4567e39669e07d9a88b789d78458b5","status":"affected","lessThan":"97b5593fd1b182b3fdb180b6bbe64ec09669988b","versionType":"git"},{"version":"337aadff8e4567e39669e07d9a88b789d78458b5","status":"affected","lessThan":"b80b19b32a432c9eee1cd200ef7aaddf608f54d1","versionType":"git"},{"version":"337aadff8e4567e39669e07d9a88b789d78458b5","status":"affected","lessThan":"d7339f2a3938fb56b5f28d53f5345900b5fa0e74","versionType":"git"},{"version":"337aadff8e4567e39669e07d9a88b789d78458b5","status":"affected","lessThan":"40d8abf364bcab23bc715a9221a3c8623956257b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/cppc_acpi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.4","versionType":"semver"},{"version":"4.9.311","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.276","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.238","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.189","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.110","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.33","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.19","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17.2","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/cppc_acpi.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b3f15609ffa521de12244cd6af24002030dda3f5"},{"url":"https://git.kernel.org/stable/c/d208ea44e25b31db5a4d5e8c31df51787a3e9303"},{"url":"https://git.kernel.org/stable/c/28d5387c1994f5e1e0d41b30a1f3dd6e1f609252"},{"url":"https://git.kernel.org/stable/c/cb249f8c00f40dba83b7da8207ac14ca46e9ec9e"},{"url":"https://git.kernel.org/stable/c/e5b681822cac1f8093759b02e16c06b2c64b6788"},{"url":"https://git.kernel.org/stable/c/97b5593fd1b182b3fdb180b6bbe64ec09669988b"},{"url":"https://git.kernel.org/stable/c/b80b19b32a432c9eee1cd200ef7aaddf608f54d1"},{"url":"https://git.kernel.org/stable/c/d7339f2a3938fb56b5f28d53f5345900b5fa0e74"},{"url":"https://git.kernel.org/stable/c/40d8abf364bcab23bc715a9221a3c8623956257b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:53:59.526Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"4.9.311"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"4.14.276"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"4.19.238"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.4.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.10.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.15.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.16.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.17.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}