{"id":"CVE-2026-45893","title":"apparmor: Fix & Optimize table creation from possibly unaligned memory","summary":"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…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= e6e8bf418850d7958311a96ccfb594f2bcc8313e < 1fbc4b24c7443ffd501609be74d9856fb940d703","Linux >= e6e8bf418850d7958311a96ccfb594f2bcc8313e < 47e351dfef60ab0e3285133556e1a9c7f646a969","Linux >= e6e8bf418850d7958311a96ccfb594f2bcc8313e < e027999049c493fb728ead5a90db76942181a935","Linux >= e6e8bf418850d7958311a96ccfb594f2bcc8313e < 226c3b10aab23f73b03c47e7773107de56ba3a4e","Linux >= e6e8bf418850d7958311a96ccfb594f2bcc8313e < 6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a","Linux 4.11"],"published":"2026-05-27","updated":"2026-10-21","sourceUpdated":"2026-10-21T12:40:55.401Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-45893","references":[{"url":"https://git.kernel.org/stable/c/1fbc4b24c7443ffd501609be74d9856fb940d703"},{"url":"https://git.kernel.org/stable/c/47e351dfef60ab0e3285133556e1a9c7f646a969"},{"url":"https://git.kernel.org/stable/c/e027999049c493fb728ead5a90db76942181a935"},{"url":"https://git.kernel.org/stable/c/226c3b10aab23f73b03c47e7773107de56ba3a4e"},{"url":"https://git.kernel.org/stable/c/6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a"}],"tags":["cve.org"],"epss":0.00126,"epssPercentile":0.02052,"ingestedAt":"2026-10-21T12:48:53.636Z","slug":"CVE-2026-45893","body":"## Overview\n\nIn 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]\n\n## Affected\n\n- `Linux >= e6e8bf418850d7958311a96ccfb594f2bcc8313e < 1fbc4b24c7443ffd501609be74d9856fb940d703`\n- `Linux >= e6e8bf418850d7958311a96ccfb594f2bcc8313e < 47e351dfef60ab0e3285133556e1a9c7f646a969`\n- `Linux >= e6e8bf418850d7958311a96ccfb594f2bcc8313e < e027999049c493fb728ead5a90db76942181a935`\n- `Linux >= e6e8bf418850d7958311a96ccfb594f2bcc8313e < 226c3b10aab23f73b03c47e7773107de56ba3a4e`\n- `Linux >= e6e8bf418850d7958311a96ccfb594f2bcc8313e < 6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a`\n- `Linux 4.11`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}