CVE-2024-35922: fbmon: prevent division by zero in fb_videomode_from_videomode()
First published: Sun May 19 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: fbmon: prevent division by zero in fb_videomode_from_videomode() The expression htotal * vtotal can have a zero value on overflow. It is necessary to prevent division by zero like in fb_var_to_videomode(). Found by Linux Verification Center (linuxtesting.org) with Svace.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <4.19.312 | |
| Linux Linux kernel | >=4.20<5.4.274 | |
| Linux Linux kernel | >=5.5<5.10.215 | |
| Linux Linux kernel | >=5.11<5.15.155 | |
| Linux Linux kernel | >=5.16<6.1.86 | |
| Linux Linux kernel | >=6.2<6.6.27 | |
| Linux Linux kernel | >=6.7<6.8.6 | |
| Debian Debian Linux | =10.0 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.9-1 6.12.10-1 |
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Reference Links
- https://git.kernel.org/stable/c/1b107d637fed68a787da77a3514ad06e57abd0b4
- https://git.kernel.org/stable/c/1fb52bc1de55e9e0bdf71fe078efd4da0889710f
- https://git.kernel.org/stable/c/3d4b909704bf2114f64f87363fa22b5ef8ac4a33
- https://git.kernel.org/stable/c/48d6bcfc31751ca2e753d901a2d82f27edf8a029
- https://git.kernel.org/stable/c/664206ff8b019bcd1e55b10b2eea3add8761b971
- https://git.kernel.org/stable/c/72d091b7515e0532ee015e144c906f3bcfdd6270
- https://git.kernel.org/stable/c/951838fee462aa01fa2a6a91d56f9a495082e7f0
- https://git.kernel.org/stable/c/c2d953276b8b27459baed1277a4fdd5dd9bd4126
- https://launchpad.net/bugs/cve/CVE-2024-35922
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-35922
- https://nvd.nist.gov/vuln/detail/CVE-2024-35922
- https://security-tracker.debian.org/tracker/CVE-2024-35922
- https://ubuntu.com/security/CVE-2024-35922
- https://git.kernel.org/linus/c2d953276b8b27459baed1277a4fdd5dd9bd4126
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