CVE-2023-53498

Summary

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Fix potential null dereference

The adev->dm.dc pointer can be NULL and dereferenced in amdgpu_dm_fini() without checking.

Add a NULL pointer check before calling dc_dmub_srv_destroy().

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux9a71c7d31734f74549ad2bcd652c403c71e7c8d1 < 624a60911b71af08a912ee8a296b271b3e7b34abaffected
LinuxLinux9a71c7d31734f74549ad2bcd652c403c71e7c8d1 < 4b1afffdd94093118b3cc235ef2b4d2520fb4950affected
LinuxLinux9a71c7d31734f74549ad2bcd652c403c71e7c8d1 < b75aaebac265e3f29863699d9a929fdfba13d0a4affected
LinuxLinux9a71c7d31734f74549ad2bcd652c403c71e7c8d1 < 281933f36a53fed1c2993a92cf1edfb424595474affected
LinuxLinux9a71c7d31734f74549ad2bcd652c403c71e7c8d1 < d4b749771fed3f99bbe8880eaab32a05ede0e5faaffected
LinuxLinux9a71c7d31734f74549ad2bcd652c403c71e7c8d1 < 52f1783ff4146344342422c1cd94fcb4ce39b6feaffected
LinuxLinux5.6affected
LinuxLinux0 < 5.6unaffected
LinuxLinux5.10.246 <= 5.10.*unaffected
LinuxLinux5.15.111 <= 5.15.*unaffected
LinuxLinux6.1.28 <= 6.1.*unaffected
LinuxLinux6.2.15 <= 6.2.*unaffected
LinuxLinux6.3.2 <= 6.3.*unaffected
LinuxLinux6.4 <= *unaffected

Weaknesses

References