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CVE-2026-47329

Incorrect validation of field size in Ubuntu Linux AppArmor notification responses

LOW
3.3
CVSS Score
Published: May 28, 2026 at 06:27 PM UTC
Updated: October 26, 2026 at 12:10 AM UTC
1 product affected across 1 vendorUbuntu Linux

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Severity
LOW3.3
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches which fail to validate invalid sizes of the name field in AppAmor notification responses. The bug can be triggered by an unprivileged local user and could result in handling of crafted responses.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ubuntu Linux· Canonicalrubygems
95%
24.0425.1026.046.17.06.8.07.0.0
Affected range stops below 6.17.0-35.35, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.8.0-124.124, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.0.0-22.22, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Patch
Source: cverecord
https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=9ea8b64b3ad27d0501cf711efa98077998a33b14

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.3LOWcanonical
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-1284

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