#VU98875 Use-after-free in Linux kernel - CVE-2024-49945

Vulnerability identifier: #VU98875

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-2024-49945

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 ncsi_unregister_dev() function in net/ncsi/ncsi-manage.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/f6ca58696749268181f43150b3553f2bafd71e42
https://git.kernel.org/stable/c/dd41dab62f32d9e9e0669af8459d12a93834b238
https://git.kernel.org/stable/c/a0ffa68c70b367358b2672cdab6fa5bc4c40de2c

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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.