CVE-2026-45893apparmor: Fix & Optimize table creation from possibly unaligned memory
- 7.1HighCVSS base score
- 0.16%Exploitation in 30 daysEPSS · top 95% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix & Optimize table creation from possibly unaligned memory Source blob may come from userspace and might be unaligned. Try to optize the copying process by avoiding unaligned memory accesses. - Added Fixes tag - Added "Fix &" to description as this doesn't just optimize but fixes a potential unaligned memory access [jj: remove duplicate word "convert" in comment trigger checkpatch warning]
Timeline
ID reserved
By Linux
- 14 days later
· 14 days later
Published
- 5 months later
· 5 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.16% · top 95% of all CVEs (13 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Affected products
- affected e6e8bf418850d7958311a96ccfb594f2bcc8313e – < 83939c2afba70b49062c31ca6a6de7f46951d26d
- affected e6e8bf418850d7958311a96ccfb594f2bcc8313e – < 1fbc4b24c7443ffd501609be74d9856fb940d703
- affected e6e8bf418850d7958311a96ccfb594f2bcc8313e – < 47e351dfef60ab0e3285133556e1a9c7f646a969
- affected e6e8bf418850d7958311a96ccfb594f2bcc8313e – < e027999049c493fb728ead5a90db76942181a935
- affected e6e8bf418850d7958311a96ccfb594f2bcc8313e – < 226c3b10aab23f73b03c47e7773107de56ba3a4e
- affected e6e8bf418850d7958311a96ccfb594f2bcc8313e – < 6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a
- affected 4.11
- unaffected < 4.11
- unaffected 6.1.191 – ≤ 6.1.*
- unaffected 6.6.160 – ≤ 6.6.*
- unaffected 6.12.75 – ≤ 6.12.*
- unaffected 6.18.14 – ≤ 6.18.*
- unaffected 6.19.4 – ≤ 6.19.*
- unaffected 7.0 – ≤ *
References
References6
- https://git.kernel.org/stable/c/83939c2afba70b49062c31ca6a6de7f46951d26d (opens in a new tab)
- https://git.kernel.org/stable/c/1fbc4b24c7443ffd501609be74d9856fb940d703 (opens in a new tab)
- https://git.kernel.org/stable/c/47e351dfef60ab0e3285133556e1a9c7f646a969 (opens in a new tab)
- https://git.kernel.org/stable/c/e027999049c493fb728ead5a90db76942181a935 (opens in a new tab)
- https://git.kernel.org/stable/c/226c3b10aab23f73b03c47e7773107de56ba3a4e (opens in a new tab)
- https://git.kernel.org/stable/c/6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-32359 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-45893)Record last updated .