Improper Locking Affecting kernel-cross-headers package, versions <0:4.18.0-240.22.1.el8_3


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELCROSSHEADERS-2578999
  • published10 Apr 2022
  • disclosed5 Feb 2021

Introduced: 5 Feb 2021

CVE-2021-26708  (opens in a new tab)
CWE-667  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-cross-headers to version 0:4.18.0-240.22.1.el8_3 or higher.
This issue was patched in ELSA-2021-1093.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-cross-headers package and not the kernel-cross-headers package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

A local privilege escalation was discovered in the Linux kernel before 5.10.13. Multiple race conditions in the AF_VSOCK implementation are caused by wrong locking in net/vmw_vsock/af_vsock.c. The race conditions were implicitly introduced in the commits that added VSOCK multi-transport support.

CVSS Scores

version 3.1