Use After Free Affecting kernel-doc package, versions <0:3.10.0-1160.31.1.el7


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
1.38% (69th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELDOC-2586874
  • published10 Apr 2022
  • disclosed29 Jan 2021

Introduced: 29 Jan 2021

CVE-2021-3347  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-doc to version 0:3.10.0-1160.31.1.el7 or higher.
This issue was patched in ELSA-2021-2314.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-doc package and not the kernel-doc package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.

References

CVSS Base Scores

version 3.1