CVE-2023-21102 Affecting kernel-rt package, versions <0:5.14.0-284.30.1.rt14.315.el9_2
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Test your applications- Snyk ID SNYK-ALMALINUX9-KERNELRT-5902832
- published 14 Sep 2023
- disclosed 12 Sep 2023
Introduced: 12 Sep 2023
CVE-2023-21102 Open this link in a new tabHow to fix?
Upgrade AlmaLinux:9 kernel-rt to version 0:5.14.0-284.30.1.rt14.315.el9_2 or higher.
This issue was patched in ALSA-2023:5091.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt package and not the kernel-rt 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
References
- https://errata.almalinux.org/9/ALSA-2023-5069.html
- https://errata.almalinux.org/9/ALSA-2023-5091.html
- https://access.redhat.com/security/cve/CVE-2023-21102
- https://access.redhat.com/errata/RHSA-2023:5069
- https://access.redhat.com/errata/RHSA-2023:5091
- https://source.android.com/security/bulletin/2023-05-01