Vulnerability identifier: #VU90150

Vulnerability risk: Medium

CVSSv3.1: 5 [AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-35861

CWE-ID: CWE-416

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the cifs_signal_cifsd_for_reconnect() function in fs/smb/client/connect.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.

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/7e8360ac8774e19b0b25f44fff84a105bb2417e4
http://git.kernel.org/stable/c/2cfff21732132e363b4cc275d63ea98f1af726c1
http://git.kernel.org/stable/c/f9a96a7ad1e8d25dc6662bc7552e0752de74a20d
http://git.kernel.org/stable/c/e0e50401cc3921c9eaf1b0e667db174519ea939f

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.