{"id":"CVE-2026-80924","revision":"563e48c92820493180b9bba0be70a901","records":[{"revision":"563e48c92820493180b9bba0be70a901","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-80924","aliases":[],"title":"crypto: krb5 - use kfree_sensitive() for derived key buffers","description":"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.","state":0,"publishedAt":"2026-09-09T16:19:44.15+00:00","modifiedAt":"2026-10-19T08:45:08.269+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"crypto/krb5/krb5_api.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3936f02bf2d3308a7359dd37dd96cd60603d8170\",\n                            \"lessThan\": \"731a5b6fb4c1705f9405d9029dd64ea81e336207\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"3936f02bf2d3308a7359dd37dd96cd60603d8170\",\n                            \"lessThan\": \"91b96dc9cc250cd16751f53de525cf3442ca0962\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"3936f02bf2d3308a7359dd37dd96cd60603d8170\",\n                            \"lessThan\": \"a1bf79365794783b19f5b09e8a23f7ee311e8931\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"3936f02bf2d3308a7359dd37dd96cd60603d8170\",\n                            \"lessThan\": \"f7d53dd3f267e46a784f219a75072f2f400d42b9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"crypto/krb5/krb5_api.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.15\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.15\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.49\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.13\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.3\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/731a5b6fb4c1705f9405d9029dd64ea81e336207","https://git.kernel.org/stable/c/91b96dc9cc250cd16751f53de525cf3442ca0962","https://git.kernel.org/stable/c/a1bf79365794783b19f5b09e8a23f7ee311e8931","https://git.kernel.org/stable/c/f7d53dd3f267e46a784f219a75072f2f400d42b9"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80924","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-80924","identifiers":["CVE-2026-80924"]},"retained":false,"historicalAffected":[]}],"coverage":[]}