#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: 6.10 - 6.10.13, 6.11 - 6.11.2

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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
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.14
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.3
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?