#VU97795 NULL pointer dereference in Linux kernel - CVE-2024-46808
Vulnerability identifier: #VU97795
Vulnerability risk: Low
CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID:
CWE-ID:
CWE-476
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 perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the dpcd_extend_address_range() function in drivers/gpu/drm/amd/display/dc/link/protocols/link_dpcd.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: 6.10, 6.10.1, 6.10.2, 6.10.3, 6.10.4, 6.10.5, 6.10.6, 6.10.7, 6.10.8
External links
https://git.kernel.org/stable/c/ca0b0b0a22306f2e51105ac48f4a09c2fbbb504e
https://git.kernel.org/stable/c/5524fa301ba649f8cf00848f91468e0ba7e4f24c
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.9
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
Q & A
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.
