apparmor: Fix & Optimize table creation from possibly unaligned memory
Summary
| CVE | CVE-2026-45893 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-27 14:17:03 UTC |
| Updated | 2026-05-27 14:48:31 UTC |
| 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] |
Risk And Classification
EPSS: 0.000180000 probability, percentile 0.048460000 (date 2026-06-01)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected e6e8bf418850d7958311a96ccfb594f2bcc8313e 47e351dfef60ab0e3285133556e1a9c7f646a969 git | Not specified |
| CNA | Linux | Linux | affected e6e8bf418850d7958311a96ccfb594f2bcc8313e e027999049c493fb728ead5a90db76942181a935 git | Not specified |
| CNA | Linux | Linux | affected e6e8bf418850d7958311a96ccfb594f2bcc8313e 226c3b10aab23f73b03c47e7773107de56ba3a4e git | Not specified |
| CNA | Linux | Linux | affected e6e8bf418850d7958311a96ccfb594f2bcc8313e 6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a git | Not specified |
| CNA | Linux | Linux | affected 4.11 | Not specified |
| CNA | Linux | Linux | unaffected 4.11 semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.75 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.14 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.19.4 6.19.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/e027999049c493fb728ead5a90db76942181a935 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/226c3b10aab23f73b03c47e7773107de56ba3a4e | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/47e351dfef60ab0e3285133556e1a9c7f646a969 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.