#VU100086 Resource management error in Linux kernel - CVE-2024-50144

Vulnerability identifier: #VU100086

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-2024-50144

CWE-ID: CWE-399

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 resource management error within the xe_vm_invalidate_vma() function in drivers/gpu/drm/xe/xe_vm.c, within the tlb_timeout_jiffies(), send_tlb_invalidation(), xe_gt_tlb_invalidation_ggtt() and xe_gt_tlb_invalidation_fence_init() functions in drivers/gpu/drm/xe/xe_gt_tlb_invalidation.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/046bd018c0123b1a49c22abed5f9ea31d1454c78
https://git.kernel.org/stable/c/03a86c24aea0920a1ca20a0d7771d5e176db538d

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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.