Unscored USN-4727-1 1 CVE

linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.8, linux-kvm, linux-oem-5.6, linux-oracle, linux-raspi vulnerability

Published Feb 10, 2021 · Updated Feb 10, 2026

Summary

Alexander Popov discovered that multiple race conditions existed in the
AF_VSOCK implementation in the Linux kernel. A local attacker could use
this to cause a denial of service (system crash) or execute arbitrary code.

Fixed packages 2

Release	Package	Fixed in
Ubuntu · 20.04 LTS 20.04:LTS	linux-hwe-5.8	5.8.0-43.49~20.04.1
Ubuntu · 20.04 LTS 20.04:LTS	linux-oem-5.6	5.6.0-1047.51

Vulnerabilities 1

Unscored —

CVE-2021-26708 Public exploit

A local privilege escalation was discovered in the Linux kernel before 5.10.13. Multiple race conditions in the AF_VSOC…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu

Feb 5, 2021

References

report
https://ubuntu.com/security/CVE-2021-26708