Vulnerability identifier: #VU90146
Vulnerability risk: Low
CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-416
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the vc4_prepare_fb() and vc4_cleanup_fb() functions in drivers/gpu/drm/vc4/vc4_plane.c. A local user can escalate privileges on the system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel:
External links
http://git.kernel.org/stable/c/48bfb4b03c5ff6e1fa1dc73fb915e150b0968c40
http://git.kernel.org/stable/c/d6b2fe2db1d0927b2d7df5c763eba55d0e1def3c
http://git.kernel.org/stable/c/5343f724c912c77541029123f47ecd3d2ea63bdd
http://git.kernel.org/stable/c/5ee0d47dcf33efd8950b347dcf4d20bab12a3fa9
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.