{"api_version":"1","generated_at":"2026-06-24T23:23:36+00:00","cve":"CVE-2026-53121","urls":{"html":"https://cve.report/CVE-2026-53121","api":"https://cve.report/api/cve/CVE-2026-53121.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53121","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53121"},"summary":{"title":"amd-pstate: Fix memory leak in amd_pstate_epp_cpu_init()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\namd-pstate: Fix memory leak in amd_pstate_epp_cpu_init()\n\nOn failure to set the epp, the function amd_pstate_epp_cpu_init()\nreturns with an error code without freeing the cpudata object that was\nallocated at the beginning of the function.\n\nEnsure that the cpudata object is freed before returning from the\nfunction.\n\nThis memory leak was discovered by Claude Opus 4.6 with the aid of\nChris Mason's AI review-prompts\n(https://github.com/masoncl/review-prompts/tree/main/kernel).","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 17:17:26","updated_at":"2026-06-24 17:17:26"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/beda3b363546a423e4e29a7395e04c0ac4ff677e","name":"https://git.kernel.org/stable/c/beda3b363546a423e4e29a7395e04c0ac4ff677e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/539aabbab190825c77eb455ec35652cb3720625f","name":"https://git.kernel.org/stable/c/539aabbab190825c77eb455ec35652cb3720625f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7f9aa2359742eaa6ea65ec0d20dafdfd0add9b8b","name":"https://git.kernel.org/stable/c/7f9aa2359742eaa6ea65ec0d20dafdfd0add9b8b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53121","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53121","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f9a378ff6443cdcd4387e5dbb76fa5fa549a83ec 539aabbab190825c77eb455ec35652cb3720625f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f9a378ff6443cdcd4387e5dbb76fa5fa549a83ec 7f9aa2359742eaa6ea65ec0d20dafdfd0add9b8b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f9a378ff6443cdcd4387e5dbb76fa5fa549a83ec beda3b363546a423e4e29a7395e04c0ac4ff677e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.14","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.14 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.33 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.10 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/cpufreq/amd-pstate.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"539aabbab190825c77eb455ec35652cb3720625f","status":"affected","version":"f9a378ff6443cdcd4387e5dbb76fa5fa549a83ec","versionType":"git"},{"lessThan":"7f9aa2359742eaa6ea65ec0d20dafdfd0add9b8b","status":"affected","version":"f9a378ff6443cdcd4387e5dbb76fa5fa549a83ec","versionType":"git"},{"lessThan":"beda3b363546a423e4e29a7395e04c0ac4ff677e","status":"affected","version":"f9a378ff6443cdcd4387e5dbb76fa5fa549a83ec","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/cpufreq/amd-pstate.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.14"},{"lessThan":"6.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.33","versionStartIncluding":"6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.10","versionStartIncluding":"6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\namd-pstate: Fix memory leak in amd_pstate_epp_cpu_init()\n\nOn failure to set the epp, the function amd_pstate_epp_cpu_init()\nreturns with an error code without freeing the cpudata object that was\nallocated at the beginning of the function.\n\nEnsure that the cpudata object is freed before returning from the\nfunction.\n\nThis memory leak was discovered by Claude Opus 4.6 with the aid of\nChris Mason's AI review-prompts\n(https://github.com/masoncl/review-prompts/tree/main/kernel)."}],"providerMetadata":{"dateUpdated":"2026-06-24T16:30:51.294Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/539aabbab190825c77eb455ec35652cb3720625f"},{"url":"https://git.kernel.org/stable/c/7f9aa2359742eaa6ea65ec0d20dafdfd0add9b8b"},{"url":"https://git.kernel.org/stable/c/beda3b363546a423e4e29a7395e04c0ac4ff677e"}],"title":"amd-pstate: Fix memory leak in amd_pstate_epp_cpu_init()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53121","datePublished":"2026-06-24T16:30:51.294Z","dateReserved":"2026-06-09T07:44:35.386Z","dateUpdated":"2026-06-24T16:30:51.294Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 17:17:26","lastModifiedDate":"2026-06-24 17:17:26","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53121","Ordinal":"1","Title":"amd-pstate: Fix memory leak in amd_pstate_epp_cpu_init()","CVE":"CVE-2026-53121","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53121","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\namd-pstate: Fix memory leak in amd_pstate_epp_cpu_init()\n\nOn failure to set the epp, the function amd_pstate_epp_cpu_init()\nreturns with an error code without freeing the cpudata object that was\nallocated at the beginning of the function.\n\nEnsure that the cpudata object is freed before returning from the\nfunction.\n\nThis memory leak was discovered by Claude Opus 4.6 with the aid of\nChris Mason's AI review-prompts\n(https://github.com/masoncl/review-prompts/tree/main/kernel).","Type":"Description","Title":"amd-pstate: Fix memory leak in amd_pstate_epp_cpu_init()"}]}}}