#VU102988 Input validation error in Linux kernel - CVE-2024-57898

Vulnerability identifier: #VU102988

Vulnerability 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-2024-57898

CWE-ID: CWE-20

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 perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the cfg80211_remove_link() function in net/wireless/util.c, within the ieee80211_del_intf_link() function in net/mac80211/cfg.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.12, 6.12.1, 6.12.2, 6.12.3, 6.12.4, 6.12.5, 6.12.6, 6.12.7, 6.12.8

---

External links
https://git.kernel.org/stable/c/ae07daf440d3220d0986e676317a5da66e4f9dfd
https://git.kernel.org/stable/c/b5c32ff6a3a38c74facdd1fe34c0d709a55527fd
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.9
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13

---

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.