#VU90557 NULL pointer dereference in Linux kernel - CVE-2024-26984


Vulnerability identifier: #VU90557

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: CVE-2024-26984

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 nv50_instobj_acquire() function in drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions


External links
https://git.kernel.org/stable/c/3ab056814cd8ab84744c9a19ef51360b2271c572
https://git.kernel.org/stable/c/ad74d208f213c06d860916ad40f609ade8c13039
https://git.kernel.org/stable/c/a019b44b1bc6ed224c46fb5f88a8a10dd116e525
https://git.kernel.org/stable/c/21ca9539f09360fd83654f78f2c361f2f5ddcb52
https://git.kernel.org/stable/c/fff1386cc889d8fb4089d285f883f8cba62d82ce
https://git.kernel.org/stable/c/bba8ec5e9b16649d85bc9e9086bf7ae5b5716ff9
https://git.kernel.org/stable/c/1bc4825d4c3ec6abe43cf06c3c39d664d044cbf7
https://git.kernel.org/stable/c/13d76b2f443dc371842916dd8768009ff1594716


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.


Latest bulletins with this vulnerability