{"id":"CVE-2026-80571","summary":"powerpc/pseries: papr-phy-attest - validate cmd.length, plug mem leak","details":"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-\u003ecmd.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-\u003ecmd).\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.","modified":"2026-08-28T11:48:23.507782617Z","published":"2026-08-26T14:37:32.541Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80571.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/5b17f3f34391372faf03e79d947e0c50ab6dd258"},{"type":"WEB","url":"https://git.kernel.org/stable/c/828a8d1a9107aec6353d896882df8383accf7e80"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ed98ce338f9a65c90cb930b088f1eb36de7181af"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80571.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80571"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"86900ab620a42396a749b506d4a187820fc3fabe"},{"fixed":"828a8d1a9107aec6353d896882df8383accf7e80"},{"fixed":"ed98ce338f9a65c90cb930b088f1eb36de7181af"},{"fixed":"5b17f3f34391372faf03e79d947e0c50ab6dd258"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80571.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.16.0"},{"fixed":"6.18.46"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80571.json"}}],"schema_version":"1.9.0"}