CVE-2024-38548
Published: June 21, 2024Last modified: June 21, 2024
Description
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.97-r0) |
| Stream | linux-lts | Fixed (6.6.58-r0) |
References
- 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