{"id":"CVE-2026-80619","summary":"apparmor: fix potential UAF in aa_replace_profiles","details":"In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: fix potential UAF in aa_replace_profiles\n\nThe function aa_replace_profiles was accessing udata-\u003esize after calling\naa_put_loaddata(udata), causing a potential UAF.\n\nFixed this by saving the size to a local variable before dropping the\nreference.","modified":"2026-08-31T03:30:50.779323113Z","published":"2026-08-28T06:48:38.702Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80619.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/57b1bd4486d56254bb8af1a8f3d4445bbe505290"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5cba148eae6e8550c2889f5c0f94d72bed864321"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7b42f95813dc9ceb6bda35afcf914630909a19f9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9d37dc6376e336dc4b4f39a7ad0d069aa70e9495"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9d8e47cbce7536f19c96e37d0685a042010187ee"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c0f3a3fda617beeec58708720304dd026a1a4dd7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c44de0880b7ccc15c70a6352b5e107677d32b061"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dd5f1202f45a2dbe2c7dd10093f5c6bb2d8ac5bb"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80619.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80619"},{"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":"5ac8c355ae0013d82b3a07b49aebeadfce9b6e52"},{"fixed":"9d8e47cbce7536f19c96e37d0685a042010187ee"},{"fixed":"9d37dc6376e336dc4b4f39a7ad0d069aa70e9495"},{"fixed":"c0f3a3fda617beeec58708720304dd026a1a4dd7"},{"fixed":"5cba148eae6e8550c2889f5c0f94d72bed864321"},{"fixed":"c44de0880b7ccc15c70a6352b5e107677d32b061"},{"fixed":"57b1bd4486d56254bb8af1a8f3d4445bbe505290"},{"fixed":"dd5f1202f45a2dbe2c7dd10093f5c6bb2d8ac5bb"},{"fixed":"7b42f95813dc9ceb6bda35afcf914630909a19f9"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-80619.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.11.0"},{"fixed":"5.10.261"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.212"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.178"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.145"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.97"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.40"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-80619.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}