{"id":"CVE-2026-23065","state":"PUBLISHED","title":"platform/x86/amd: Fix memory leak in wbrf_record()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86/amd: Fix memory leak in wbrf_record()\n\nThe tmp buffer is allocated using kcalloc() but is not freed if\nacpi_evaluate_dsm() fails. This causes a memory leak in the error path.\n\nFix this by explicitly freeing the tmp buffer in the error handling\npath of acpi_evaluate_dsm().","publishedAt":"2026-02-04T16:07:47.077Z","updatedAt":"2026-05-11T21:59:19.347Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"58e82a62669da52e688f4a8b89922c1839bf1001","status":"affected","lessThan":"1152dffe01af86e42ce2b208b92ef7f8c275d130","versionType":"git"},{"version":"58e82a62669da52e688f4a8b89922c1839bf1001","status":"affected","lessThan":"1a0072bd1f1e559eda3e91a24dbc51c9eb025c54","versionType":"git"},{"version":"58e82a62669da52e688f4a8b89922c1839bf1001","status":"affected","lessThan":"2bf1877b7094c684e1d652cac6912cfbc507ad3e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/amd/wbrf.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.8","versionType":"semver"},{"version":"6.12.68","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.8","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/amd/wbrf.c"]}],"references":["https://git.kernel.org/stable/c/1152dffe01af86e42ce2b208b92ef7f8c275d130","https://git.kernel.org/stable/c/1a0072bd1f1e559eda3e91a24dbc51c9eb025c54","https://git.kernel.org/stable/c/2bf1877b7094c684e1d652cac6912cfbc507ad3e"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23065.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23065","state":"PUBLISHED","datePublished":"2026-02-04T16:07:47.077Z","dateUpdated":"2026-05-11T21:59:19.347Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.953Z"},"containers":{"cna":{"title":"platform/x86/amd: Fix memory leak in wbrf_record()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86/amd: Fix memory leak in wbrf_record()\n\nThe tmp buffer is allocated using kcalloc() but is not freed if\nacpi_evaluate_dsm() fails. This causes a memory leak in the error path.\n\nFix this by explicitly freeing the tmp buffer in the error handling\npath of acpi_evaluate_dsm()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"58e82a62669da52e688f4a8b89922c1839bf1001","status":"affected","lessThan":"1152dffe01af86e42ce2b208b92ef7f8c275d130","versionType":"git"},{"version":"58e82a62669da52e688f4a8b89922c1839bf1001","status":"affected","lessThan":"1a0072bd1f1e559eda3e91a24dbc51c9eb025c54","versionType":"git"},{"version":"58e82a62669da52e688f4a8b89922c1839bf1001","status":"affected","lessThan":"2bf1877b7094c684e1d652cac6912cfbc507ad3e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/amd/wbrf.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.8","versionType":"semver"},{"version":"6.12.68","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.8","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/amd/wbrf.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/1152dffe01af86e42ce2b208b92ef7f8c275d130"},{"url":"https://git.kernel.org/stable/c/1a0072bd1f1e559eda3e91a24dbc51c9eb025c54"},{"url":"https://git.kernel.org/stable/c/2bf1877b7094c684e1d652cac6912cfbc507ad3e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:59:19.347Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.12.68"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.18.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}