CVE-2024-43894: drm/client: fix null pointer dereference in drm_client_modeset_probe
First published: Mon Aug 26 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drm/client: fix null pointer dereference in drm_client_modeset_probe In drm_client_modeset_probe(), the return value of drm_mode_duplicate() is assigned to modeset->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 Linux kernel | >=5.3<5.4.282 | |
| Linux Linux kernel | >=5.5<5.10.224 | |
| Linux Linux kernel | >=5.11<5.15.165 | |
| Linux Linux kernel | >=5.16<6.1.105 | |
| Linux Linux kernel | >=6.2<6.6.46 | |
| Linux Linux kernel | >=6.7<6.10.5 | |
| Linux Linux kernel | =6.11-rc1 | |
| Linux Linux kernel | =6.11-rc2 | |
| debian/linux | <=5.10.223-1 | 5.10.226-1 6.1.115-1 6.1.119-1 6.12.5-1 6.12.6-1 |
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Reference Links
- https://git.kernel.org/stable/c/113fd6372a5bb3689aba8ef5b8a265ed1529a78f
- https://git.kernel.org/stable/c/24ddda932c43ffe156c7f3c568bed85131c63ae6
- https://git.kernel.org/stable/c/5291d4f73452c91e8a11f71207617e3e234d418e
- https://git.kernel.org/stable/c/612cae53e99ce32a58cb821b3b67199eb6e92dff
- https://git.kernel.org/stable/c/c763dfe09425152b6bb0e348900a637c62c2ce52
- https://git.kernel.org/stable/c/d64847c383100423aecb6ac5f18be5f4316d9d62
- https://git.kernel.org/stable/c/d64fc94f7bb24fc2be0d6bd5df8df926da461a6d
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-43894
- https://nvd.nist.gov/vuln/detail/CVE-2024-43894
- https://launchpad.net/bugs/cve/CVE-2024-43894
- https://security-tracker.debian.org/tracker/CVE-2024-43894
- https://ubuntu.com/security/CVE-2024-43894
- https://git.kernel.org/linus/113fd6372a5bb3689aba8ef5b8a265ed1529a78f
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