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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
fb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b to < 85d1a27402f81f2e04b0e67d20f749c2a14edbb3affectedfb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b to < 89788cd9824c28ffcdea40232c458233353d1896affectedfb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b to < ca53b7efd4ba6ae92fd2b3085cb099c745e96965affectedfb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b to < dcf53e6103b26e7458be71491d0641f49fbd5840affectedfb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b to < 32fb2ef124c3301656ac6c789a2ef35ef69a66daaffectedfb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b to < 47889711da20be9b43e1e136e5cb68df37cbcc79affectedfb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b to < 935a92a1c400285545198ca2800a4c6c519c650aaffected
Linux Linux
Default version status: affected
5.10affected0 to < 5.10unaffected5.10.219 to ≤ 5.10.*unaffected5.15.161 to ≤ 5.15.*unaffected6.1.93 to ≤ 6.1.*unaffected6.6.33 to ≤ 6.6.*unaffected6.8.12 to ≤ 6.8.*unaffected6.9.3 to ≤ 6.9.*unaffected6.10 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/85d1a27402f81f2e04b0e67d20f749c2a14edbb3 ↗
- https://git.kernel.org/stable/c/89788cd9824c28ffcdea40232c458233353d1896 ↗
- https://git.kernel.org/stable/c/ca53b7efd4ba6ae92fd2b3085cb099c745e96965 ↗
- https://git.kernel.org/stable/c/dcf53e6103b26e7458be71491d0641f49fbd5840 ↗
- https://git.kernel.org/stable/c/32fb2ef124c3301656ac6c789a2ef35ef69a66da ↗
- https://git.kernel.org/stable/c/47889711da20be9b43e1e136e5cb68df37cbcc79 ↗
- https://git.kernel.org/stable/c/935a92a1c400285545198ca2800a4c6c519c650a ↗