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CVE-2026-47327

3.3 LOW

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor notifications

Published: 2026-05-28 · Last updated: 2026-06-09

Severity and scoring

CVSS
3.3 LOW
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
CWE-476

Affected products

VendorProduct
canonicalubuntu_linux

Description

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor notifications. The bug can be triggered by an unprivileged local user. This can lead to a kernel oops.

Source: NVD

References

Related CVEs

Same vendor

  • CVE-2026-47337 — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AF_INET/AF_INET6 socket ... (3.3 LOW)
  • CVE-2026-47336 — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/AF_INET6 socket mediation code (3.3 LOW)
  • CVE-2026-47335 — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor notifications (5.5 MEDIUM)
  • CVE-2026-47334 — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock in notification handling code (5.5 MEDIUM)
  • CVE-2026-47333 — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the size of an internal buffer, l... (7.8 HIGH)

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  • CVE-2026-22899 — A NULL pointer dereference vulnerability has been reported to affect File Station 6
  • CVE-2025-66281 — A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions
  • CVE-2025-62850 — A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions