#VU98878 Use-after-free in Linux kernel - CVE-2024-49981

Vulnerability identifier: #VU98878

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-49981

CWE-ID: CWE-416

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 escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the venus_remove() function in drivers/media/platform/qcom/venus/core.c. A local user can escalate privileges on the system.

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/60b6968341a6dd5353554f3e72db554693a128a5
https://git.kernel.org/stable/c/bf6be32e2d39f6301ff1831e249d32a8744ab28a
https://git.kernel.org/stable/c/2a541fcc0bd2b05a458e9613376df1289ec11621
https://git.kernel.org/stable/c/b0686aedc5f1343442d044bd64eeac7e7a391f4e
https://git.kernel.org/stable/c/d925e9f7fb5a2dbefd1a73fc01061f38c7becd4c
https://git.kernel.org/stable/c/10941d4f99a5a34999121b314afcd9c0a1c14f15
https://git.kernel.org/stable/c/c5a85ed88e043474161bbfe54002c89c1cb50ee2

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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.