#VU90159 Use-after-free in Linux kernel - CVE-2024-35887

Vulnerability identifier: #VU90159

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-2024-35887

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 ax25_dev_device_down() function in net/ax25/ax25_dev.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
http://git.kernel.org/stable/c/74204bf9050f7627aead9875fe4e07ba125cb19b
http://git.kernel.org/stable/c/c6a368f9c7af4c14b14d390c2543af8001c9bdb9
http://git.kernel.org/stable/c/fd819ad3ecf6f3c232a06b27423ce9ed8c20da89

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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.