Improper Validation of Array Index Affecting kernel-doc package, versions <0:4.18.0-477.36.1.el8_8
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Test your applications- Snyk ID SNYK-RHEL8-KERNELDOC-6093200
- published 29 Nov 2023
- disclosed 12 Apr 2023
Introduced: 12 Apr 2023
CVE-2023-38409 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-doc to version 0:4.18.0-477.36.1.el8_8 or higher.
This issue was patched in RHSA-2023:7539.
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 RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
An issue was discovered in set_con2fb_map in drivers/video/fbdev/core/fbcon.c in the Linux kernel before 6.2.12. Because an assignment occurs only for the first vc, the fbcon_registered_fb and fbcon_display arrays can be desynchronized in fbcon_mode_deleted (the con2fb_map points at the old fb_info).