CVE-2024-47661: drm/amd/display: Avoid overflow from uint32_t to uint8_t
First published: Wed Oct 09 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid overflow from uint32_t to uint8_t [WHAT & HOW] dmub_rb_cmd's ramping_boundary has size of uint8_t and it is assigned 0xFFFF. Fix it by changing it to uint8_t with value of 0xFF. This fixes 2 INTEGER_OVERFLOW issues reported by Coverity.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <6.10.9 | |
| debian/linux | <=5.10.223-1<=5.10.226-1<=6.1.115-1<=6.1.119-1 | 6.11.10-1 6.12.5-1 |
| <6.10.9 |
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Reference Links
- https://git.kernel.org/stable/c/30d1b783b6eeaf49d311a072c70d618d993d01ec
- https://git.kernel.org/stable/c/d6b54900c564e35989cf6813e4071504fa0a90e0
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-47661
- https://nvd.nist.gov/vuln/detail/CVE-2024-47661
- https://launchpad.net/bugs/cve/CVE-2024-47661
- https://security-tracker.debian.org/tracker/CVE-2024-47661
- https://ubuntu.com/security/CVE-2024-47661
- https://git.kernel.org/linus/d6b54900c564e35989cf6813e4071504fa0a90e0
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