{"id":"CVE-2026-80924","title":"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 de…","summary":"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 de…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","vendor":"Linux","product":"Linux","affected":["Linux >= 3936f02bf2d3308a7359dd37dd96cd60603d8170 < 731a5b6fb4c1705f9405d9029dd64ea81e336207","Linux >= 3936f02bf2d3308a7359dd37dd96cd60603d8170 < 91b96dc9cc250cd16751f53de525cf3442ca0962","Linux >= 3936f02bf2d3308a7359dd37dd96cd60603d8170 < a1bf79365794783b19f5b09e8a23f7ee311e8931","Linux >= 3936f02bf2d3308a7359dd37dd96cd60603d8170 < f7d53dd3f267e46a784f219a75072f2f400d42b9","Linux 6.15"],"published":"2026-09-09","updated":"2026-09-10","sourceUpdated":"2026-09-10T06:17:06.213","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-80924","references":[{"url":"https://git.kernel.org/stable/c/731a5b6fb4c1705f9405d9029dd64ea81e336207","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/91b96dc9cc250cd16751f53de525cf3442ca0962","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a1bf79365794783b19f5b09e8a23f7ee311e8931","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f7d53dd3f267e46a784f219a75072f2f400d42b9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-09T17:16:03.090Z","epss":0.00192,"epssPercentile":0.09172,"slug":"CVE-2026-80924","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":36987,"id":"CVE-2026-80924","ts":1789022125870,"field":"cvss","old":null,"new":"7.5"},{"seq":36986,"id":"CVE-2026-80924","ts":1789022125870,"field":"severity","old":"none","new":"high"}]}