CVE-2024-49928: wifi: rtw89: avoid reading out of bounds when loading TX power FW elements
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: avoid reading out of bounds when loading TX power FW elements Because the loop-expression will do one more time before getting false from cond-expression, the original code copied one more entry size beyond valid region. Fix it by moving the entry copy to loop-body.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <6.10.14 | |
| Linux Kernel | >=6.11<6.11.3 | |
| debian/linux | <=6.1.129-1<=6.1.128-1 | 5.10.223-1 5.10.234-1 6.12.21-1 |
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Reference Links
- https://git.kernel.org/stable/c/83c84cdb75572048b67d6a3916283aeac865996e
- https://git.kernel.org/stable/c/4007c3d2da31d0c755ea3fcf55e395118e5d5621
- https://git.kernel.org/stable/c/ed2e4bb17a4884cf29c3347353d8aabb7265b46c
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-49928
- https://nvd.nist.gov/vuln/detail/CVE-2024-49928
- https://launchpad.net/bugs/cve/CVE-2024-49928
- https://security-tracker.debian.org/tracker/CVE-2024-49928
- https://ubuntu.com/security/CVE-2024-49928
- https://git.kernel.org/linus/ed2e4bb17a4884cf29c3347353d8aabb7265b46c
Frequently Asked Questions
What is the severity of CVE-2024-49928?
CVE-2024-49928 has a medium severity rating due to the potential for buffer overflow leading to a crash or possible code execution.
How do I fix CVE-2024-49928?
To fix CVE-2024-49928, users should upgrade the Linux kernel to version 6.10.14 or later, or to the versions between 6.11 and 6.11.3.
What systems are affected by CVE-2024-49928?
CVE-2024-49928 affects the Linux kernel versions prior to 6.10.14 and from 6.11 to 6.11.3.
What is the cause of CVE-2024-49928?
CVE-2024-49928 is caused by inadequate bounds checking when reading TX power firmware elements in the Linux kernel.
Can CVE-2024-49928 be exploited remotely?
CVE-2024-49928 may be exploitable remotely under specific circumstances, making it crucial for affected systems to be patched promptly.
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