CVE-2026-47326

Summary

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a memory leak in the handling of big responses to AppArmor notifications. The bug can be triggered by an unprivileged local user. The memory leak could lead to resource exhaustion.

Affected Software

VendorProductVersion RangeStatus
CanonicalUbuntu Linux6.8.0 < 6.8.0-124.124affected
CanonicalUbuntu Linux6.17.0 < 6.17.0-35.35affected
CanonicalUbuntu Linux7.0.0 < 7.0.0-22.22affected

Weaknesses

  • CWE-401: CWE-401 Missing release of memory after effective lifetime

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References