{"id":"CVE-2026-80924","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-80924","summary":"crypto: krb5 - use kfree_sensitive() for derived key buffers","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: krb5 - use kfree_sensitive() for derived key buffers\n\ncrypto_krb5_prepare_encryption() and crypto_krb5_prepare_checksum()\nfree the buffer holding the freshly derived keys with plain kfree(),\nleaving the key material behind in the freed slab object.","published":"2026-09-09T16:19:44.150Z","modified":"2026-09-11T03:49:00.211049580Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"6.18.49"}],"fix":null,"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/731a5b6fb4c1705f9405d9029dd64ea81e336207"},{"type":"WEB","url":"https://git.kernel.org/stable/c/91b96dc9cc250cd16751f53de525cf3442ca0962"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a1bf79365794783b19f5b09e8a23f7ee311e8931"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f7d53dd3f267e46a784f219a75072f2f400d42b9"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80924.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80924"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-11T03:49:00.211049580Z"}}