USN-8255-1

Advisory lineage Upstream: 8 Downstream: 0
Published: 07 May 2026, 15:01
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

07 May 2026, 15:01
Published
Vulnerability first disclosed
03 Jun 2026, 13:35
Last Modified
Vulnerability information updated

Description

linux, linux-aws, linux-aws-5.15, linux-aws-fips, linux-azure, linux-azure-fips, linux-fips, linux-gcp, linux-gcp-fips, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-intel-iot-realtime, linux-intel-iotg, linux-intel-iotg-5.15, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-nvidia-tegra, linux-nvidia-tegra-igx, linux-oracle, linux-realtime 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

    < 5.15.0-177.187

  • ubuntu•linux-aws

    < 5.15.0-1106.113

  • ubuntu•linux-aws-5.15

    < 5.15.0-1106.113~20.04.1

  • ubuntu•linux-aws-fips

    < 5.15.0-1106.113+fips1

  • ubuntu•linux-azure

    < 5.15.0-1111.120

  • ubuntu•linux-azure-fips

    < 5.15.0-1111.120+fips1

  • ubuntu•linux-fips

    < 5.15.0-177.187+fips1

  • ubuntu•linux-gcp

    < 5.15.0-1106.115

  • ubuntu•linux-gcp-fips

    < 5.15.0-1106.115+fips1

  • ubuntu•linux-gke

    < 5.15.0-1102.108

  • ubuntu•linux-gkeop

    < 5.15.0-1089.97

  • ubuntu•linux-hwe-5.15

    < 5.15.0-177.187~20.04.1

  • ubuntu•linux-ibm

    < 5.15.0-1100.103

  • ubuntu•linux-ibm-5.15

    < 5.15.0-1100.103~20.04.1

  • ubuntu•linux-intel-iot-realtime

    < 5.15.0-1098.100

  • ubuntu•linux-intel-iotg

    < 5.15.0-1101.107

  • ubuntu•linux-intel-iotg-5.15

    < 5.15.0-1101.107~20.04.1

  • ubuntu•linux-kvm

    < 5.15.0-1098.103

  • ubuntu•linux-lowlatency

    < 5.15.0-177.187

  • ubuntu•linux-lowlatency-hwe-5.15

    < 5.15.0-177.187~20.04.1

  • ubuntu•linux-nvidia

    < 5.15.0-1101.102

  • ubuntu•linux-nvidia-tegra

    < 5.15.0-1058.58

  • ubuntu•linux-nvidia-tegra-igx

    < 5.15.0-1047.47

  • ubuntu•linux-oracle

    < 5.15.0-1103.109

  • ubuntu•linux-realtime

    < 5.15.0-1105.114

References (5)