CVE-2026-47329

ℹ️ low

Summary

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.

CVSS Score

3.3

Low

EPSS Score

0.1

Exploit Probability

Published Date

2026-05-28

First Seen: 2026-05-29

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 2.8% of all 329,456 vulnerabilities in our database.

#320,235

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: May 28, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Partial

Limited system impact

🏆 Discovered By

Tristan Madani (@TristanInSec), Talence Security

SSVC data provided by CISA

Last Modified 2026-06-09

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-1284

📦 Affected Products 3

Vendor	Product	Status	Affected Versions
canonical	ubuntu_linux	Affected	v24.04
canonical	ubuntu_linux	Affected	v25.10
canonical	ubuntu_linux	Affected	v26.04

🔗 References 1

https://git.launchpad.net/~ubuntu-kernel/ubuntu/+sou...

Patch

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-47326	🔶 medium	5.5	0.1	Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a memory leak in the handling of big responses to AppArmor not...	2026-05-28
CVE-2026-47327	ℹ️ low	3.3	0.1	Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AppArmo...	2026-05-28
CVE-2026-47328	🔶 medium	6.1	0.1	Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly attempt to free a pointer which was not ...	2026-05-28
CVE-2026-47330	ℹ️ low	3.3	0.1	Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an uninitializ...	2026-05-28
CVE-2026-47331	⚠️ high	7.8	0.1	Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An unprivile...	2026-05-28
CVE-2026-47332	🔶 medium	5.5	0.1	Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an internal structu...	2026-05-28

These CVEs affect the same products