#VU98954 NULL pointer dereference in Linux kernel - CVE-2024-49942

Vulnerability identifier: #VU98954

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-2024-49942

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 xe_bo_move() function in drivers/gpu/drm/xe/xe_bo.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

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External links
https://git.kernel.org/stable/c/16e0267db156f8a4ea16bfb3ac3f5743c9698df3
https://git.kernel.org/stable/c/8f5199b6971f0717c2d31685953971fa2e1b9e1a
https://git.kernel.org/stable/c/7257d9c9a3c6cfe26c428e9b7ae21d61f2f55a79

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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.