{"id":"CVE-2026-45893","summary":"apparmor: Fix & Optimize table creation from possibly unaligned memory","details":"In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: Fix & Optimize table creation from possibly unaligned memory\n\nSource blob may come from userspace and might be unaligned.\nTry to optize the copying process by avoiding unaligned memory accesses.\n\n- Added Fixes tag\n- Added \"Fix &\" to description as this doesn't just optimize but fixes\n        a potential unaligned memory access\n[jj: remove duplicate word \"convert\" in comment trigger checkpatch warning]","modified":"2026-05-29T04:02:57.250305402Z","published":"2026-05-27T12:17:04.135Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45893.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/226c3b10aab23f73b03c47e7773107de56ba3a4e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/47e351dfef60ab0e3285133556e1a9c7f646a969"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e027999049c493fb728ead5a90db76942181a935"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45893.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45893"},{"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":"e6e8bf418850d7958311a96ccfb594f2bcc8313e"},{"fixed":"47e351dfef60ab0e3285133556e1a9c7f646a969"},{"fixed":"e027999049c493fb728ead5a90db76942181a935"},{"fixed":"226c3b10aab23f73b03c47e7773107de56ba3a4e"},{"fixed":"6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-45893.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.11.0"},{"fixed":"6.12.75"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.14"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-45893.json"}}],"schema_version":"1.7.5"}