CVE-2024-42309: drm/gma500: fix null pointer dereference in psb_intel_lvds_get_modes
First published: Sat Aug 17 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drm/gma500: fix null pointer dereference in psb_intel_lvds_get_modes In psb_intel_lvds_get_modes(), the return value of drm_mode_duplicate() is assigned to mode, which will lead to a possible NULL pointer dereference on failure of drm_mode_duplicate(). Add a check to avoid npd.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=3.3<4.19.320 | |
| Linux Kernel | >=4.20<5.4.282 | |
| Linux Kernel | >=5.5<5.10.224 | |
| Linux Kernel | >=5.11<5.15.165 | |
| Linux Kernel | >=5.16<6.1.103 | |
| Linux Kernel | >=6.2<6.6.44 | |
| Linux Kernel | >=6.7<6.10.3 | |
| debian/linux | <=5.10.223-1 | 5.10.234-1 6.1.129-1 6.1.128-1 6.12.21-1 |
| debian/linux-6.1 | 6.1.129-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/13b5f3ee94bdbdc4b5f40582aab62977905aedee
- https://git.kernel.org/stable/c/2df7aac81070987b0f052985856aa325a38debf6
- https://git.kernel.org/stable/c/46d2ef272957879cbe30a884574320e7f7d78692
- https://git.kernel.org/stable/c/475a5b3b7c8edf6e583a9eb59cf28ea770602e14
- https://git.kernel.org/stable/c/6735d02ead7dd3adf74eb8b70aebd09e0ce78ec9
- https://git.kernel.org/stable/c/7e52c62ff029f95005915c0a11863b5fb5185c8c
- https://git.kernel.org/stable/c/d6ad202f73f8edba0cbc0065aa57a79ffe8fdcdc
- https://git.kernel.org/stable/c/f70ffeca546452d1acd3a70ada56ecb2f3e7f811
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-42309
- https://nvd.nist.gov/vuln/detail/CVE-2024-42309
- https://launchpad.net/bugs/cve/CVE-2024-42309
- https://security-tracker.debian.org/tracker/CVE-2024-42309
- https://ubuntu.com/security/CVE-2024-42309
- https://git.kernel.org/linus/2df7aac81070987b0f052985856aa325a38debf6
Frequently Asked Questions
What is the severity of CVE-2024-42309?
CVE-2024-42309 is classified with a medium severity level due to the potential for a null pointer dereference in the Linux kernel.
How do I fix CVE-2024-42309?
To fix CVE-2024-42309, update the Linux kernel to versions 5.10.226-1, 6.1.123-1, or later specified versions.
What software is affected by CVE-2024-42309?
CVE-2024-42309 affects specific versions of the Linux kernel, including versions between 3.3 and 6.6.44.
Can CVE-2024-42309 lead to a system compromise?
Although CVE-2024-42309 involves a null pointer dereference, it could potentially lead to system instability rather than direct compromise.
Is there a workaround for CVE-2024-42309?
No specific workaround is recommended for CVE-2024-42309; updating to the corrected kernel versions is advised.
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