{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80571","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-08-26T14:34:25.768Z","datePublished":"2026-08-26T14:37:32.541Z","dateUpdated":"2026-08-26T14:37:32.541Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-26T14:37:32.541Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/pseries: papr-phy-attest - validate cmd.length, plug mem leak\n\nIn papr_phy_attest_create_handle(), the params->cmd.length is not\nvalidated before use, which can result in a buffer overlow.  Check it and\nreturn -EINVAL if it is either 0 or exceeds sizeof(params->cmd).\n\nAlso, params is freed on the success path but not error. Free it on\nerrors after memory allocation.  And free it on negative fd."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/powerpc/platforms/pseries/papr-phy-attest.c"],"versions":[{"version":"86900ab620a42396a749b506d4a187820fc3fabe","lessThan":"828a8d1a9107aec6353d896882df8383accf7e80","status":"affected","versionType":"git"},{"version":"86900ab620a42396a749b506d4a187820fc3fabe","lessThan":"ed98ce338f9a65c90cb930b088f1eb36de7181af","status":"affected","versionType":"git"},{"version":"86900ab620a42396a749b506d4a187820fc3fabe","lessThan":"5b17f3f34391372faf03e79d947e0c50ab6dd258","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/powerpc/platforms/pseries/papr-phy-attest.c"],"versions":[{"version":"6.16","status":"affected"},{"version":"0","lessThan":"6.16","status":"unaffected","versionType":"semver"},{"version":"6.18.46","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.10","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.18.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"7.1.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/828a8d1a9107aec6353d896882df8383accf7e80"},{"url":"https://git.kernel.org/stable/c/ed98ce338f9a65c90cb930b088f1eb36de7181af"},{"url":"https://git.kernel.org/stable/c/5b17f3f34391372faf03e79d947e0c50ab6dd258"}],"title":"powerpc/pseries: papr-phy-attest - validate cmd.length, plug mem leak","x_generator":{"engine":"bippy-1.2.0"}}}}