Memory leak in Linux kernel drm panthor driver

1) Memory leak

EUVDB-ID: #VU100700

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-2024-53071

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the panthor_device_mmap_io() function in drivers/gpu/drm/panthor/panthor_device.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.11 - 6.11.7

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:6.11:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.11.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.11.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.11.3:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.11.4:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.11.5:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.11.6:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.11.7:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/2604afd65043e8f9d4be036cb1242adf6b5723cf
https://git.kernel.org/stable/c/f432a1621f049bb207e78363d9d0e3c6fa2da5db
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.8
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12

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.