#VU97486 Memory leak in Linux kernel - CVE-2024-46779

Vulnerability identifier: #VU97486

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-2024-46779

CWE-ID: CWE-401

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 memory leak within the to_pvr_vm_gpuva(), pvr_vm_gpuva_unmap() and pvr_vm_gpuva_remap() functions in drivers/gpu/drm/imagination/pvr_vm.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, 6.10.9

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External links
https://git.kernel.org/stable/c/1cc695be8920df234f83270d789078cb2d3bc564
https://git.kernel.org/stable/c/3f6b2f60b4631cd0c368da6a1587ab55a696164d
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11

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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.