Use After Free Affecting kernel-livepatch-5_14_21-150400_22-default package, versions <2-150400.4.3.3


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.24% (15th percentile)

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  • Snyk IDSNYK-SLES154-KERNELLIVEPATCH5142115040022DEFAULT-2942209
  • published6 Jul 2022
  • disclosed5 Jul 2022

Introduced: 5 Jul 2022

CVE-2021-39698  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 kernel-livepatch-5_14_21-150400_22-default to version 2-150400.4.3.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-5_14_21-150400_22-default package and not the kernel-livepatch-5_14_21-150400_22-default package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

In aio_poll_complete_work of aio.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-185125206References: Upstream kernel

CVSS Base Scores

version 3.1