CVE-2024-38548: drm: bridge: cdns-mhdp8546: Fix possible null pointer dereference
First published: Wed Jun 19 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drm: bridge: cdns-mhdp8546: Fix possible null pointer dereference In cdns_mhdp_atomic_enable(), the return value of drm_mode_duplicate() is assigned to mhdp_state->current_mode, and there is a dereference of it in drm_mode_set_name(), which will lead to a NULL pointer dereference on failure of drm_mode_duplicate(). Fix this bug add a check of mhdp_state->current_mode.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.3-1 |
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Reference Links
- https://git.kernel.org/stable/c/32fb2ef124c3301656ac6c789a2ef35ef69a66da
- https://git.kernel.org/stable/c/47889711da20be9b43e1e136e5cb68df37cbcc79
- https://git.kernel.org/stable/c/85d1a27402f81f2e04b0e67d20f749c2a14edbb3
- https://git.kernel.org/stable/c/89788cd9824c28ffcdea40232c458233353d1896
- https://git.kernel.org/stable/c/935a92a1c400285545198ca2800a4c6c519c650a
- https://git.kernel.org/stable/c/ca53b7efd4ba6ae92fd2b3085cb099c745e96965
- https://git.kernel.org/stable/c/dcf53e6103b26e7458be71491d0641f49fbd5840
- https://launchpad.net/bugs/cve/CVE-2024-38548
- https://git.kernel.org/linus/935a92a1c400285545198ca2800a4c6c519c650a
- https://security-tracker.debian.org/tracker/CVE-2024-38548
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-38548
- https://nvd.nist.gov/vuln/detail/CVE-2024-38548
- https://ubuntu.com/security/CVE-2024-38548
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