CVE-2023-21102 Affecting kernel-64k-debug-modules package, versions <0:5.14.0-284.30.1.el9_2


Severity

Recommended
0.0
high
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-ALMALINUX9-KERNEL64KDEBUGMODULES-5902396
  • published14 Sept 2023
  • disclosed12 Sept 2023

Introduced: 12 Sep 2023

CVE-2023-21102  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 kernel-64k-debug-modules to version 0:5.14.0-284.30.1.el9_2 or higher.
This issue was patched in ALSA-2023:5069.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-64k-debug-modules package and not the kernel-64k-debug-modules package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

In __efi_rt_asm_wrapper of efi-rt-wrapper.S, there is a possible bypass of shadow stack protection due to a logic error in the code. 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-260821414References: Upstream kernel

CVSS Scores

version 3.1