USN-8255-2

Advisory lineage Upstream: 8 Downstream: 0
Published: 11 May 2026, 14:02
Last modified:03 Jun 2026, 13:35

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

11 May 2026, 14:02
Published
Vulnerability first disclosed
03 Jun 2026, 13:35
Last Modified
Vulnerability information updated

Description

linux-azure-5.15 vulnerabilities Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. A local attacker could possibly use this to gain elevated privileges. (CVE-2023-2640) Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. A local attacker could possibly use this to gain elevated privileges. (CVE-2023-32629) Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - NVME drivers; (CVE-2026-23112, CVE-2026-23273)

Affected Systems

  • ubuntu•linux-azure-5.15

    < 5.15.0-1111.120~20.04.1

References (5)