USN-5591-1

Advisory lineage Upstream: 2 Downstream: 0
Published: 31 Aug 2022, 23:12
Last modified:29 Jun 2026, 13:49

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

31 Aug 2022, 23:12
Published
Vulnerability first disclosed
29 Jun 2026, 13:49
Last Modified
Vulnerability information updated

Description

linux-azure, linux-gcp, linux-hwe vulnerability It was discovered that the virtual terminal driver in the Linux kernel did not properly handle VGA console font changes, leading to an out-of-bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.

Affected Systems

  • ubuntu•linux-azure

    < 4.15.0-1150.165~14.04.1 | < 4.15.0-1150.165~14.04.1 | < 4.15.0-1150.165~16.04.1

  • ubuntu•linux-gcp

    < 4.15.0-1135.151~16.04.2

  • ubuntu•linux-hwe

    < 4.15.0-192.203~16.04.1

References (2)