CVE-2026-47332 | BDVDB-2026-336394 Detail

CanonicalUbuntu Linux

Description#

Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an internal structure, leading to an out-of-bounds read in notification handling code. The bug can be triggered by an unprivileged local user and can result in information disclosure from adjacent slab objects.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: local.

Weaknesses#

CWE-125 Out-of-bounds Read

References#

https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=0418e5f61b55465f19245705bce6590c807fc9f2

Exploit#

No public exploit known

History#

Version 12026-05-28Record published in the CVE List.

Published

Published: 2026-05-28
Last modified: 2026-05-28

Vendor information

Vendor: Canonical
Product: Ubuntu Linux

All Canonical vulnerabilities

Score

5.5 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 1.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 6.8.0 and < 6.8.0-124.124
Fixed
6.8.0-124.124
Vulnerable
>= 6.17.0 and < 6.17.0-35.35
Fixed
6.17.0-35.35
Vulnerable
>= 7.0.0 and < 7.0.0-22.22
Fixed
7.0.0-22.22

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.5 Medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).