Stack-based Buffer Overflow Affecting kernel-doc package, versions <0:4.18.0-553.27.1.el8_10
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Test your applications- Snyk ID SNYK-RHEL8-KERNELDOC-7328300
- published 21 Jun 2024
- disclosed 19 Jun 2024
Introduced: 19 Jun 2024
CVE-2024-38541 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-doc to version 0:4.18.0-553.27.1.el8_10 or higher.
This issue was patched in RHSA-2024:8856.
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.
In the Linux kernel, the following vulnerability has been resolved:
of: module: add buffer overflow check in of_modalias()
In of_modalias(), if the buffer happens to be too small even for the 1st snprintf() call, the len parameter will become negative and str parameter (if not NULL initially) will point beyond the buffer's end. Add the buffer overflow check after the 1st snprintf() call and fix such check after the strlen() call (accounting for the terminating NUL char).
References
- https://access.redhat.com/security/cve/CVE-2024-38541
- https://git.kernel.org/stable/c/0b0d5701a8bf02f8fee037e81aacf6746558bfd6
- https://git.kernel.org/stable/c/cf7385cb26ac4f0ee6c7385960525ad534323252
- https://git.kernel.org/stable/c/e45b69360a63165377b30db4a1dfddd89ca18e9a
- https://git.kernel.org/stable/c/ee332023adfd5882808f2dabf037b32d6ce36f9e