Use-after-free in Linux kernel smb client

1) Use-after-free

EUVDB-ID: #VU90154

Risk: Low

CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-35867

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

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_stats_proc_show() function in fs/smb/client/cifs_debug.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

External links

http://git.kernel.org/stable/c/16b7d785775eb03929766819415055e367398f49
http://git.kernel.org/stable/c/c3cf8b74c57924c0985e49a1fdf02d3395111f39
http://git.kernel.org/stable/c/1e12f0d5c66f07c934041621351973a116fa13c7
http://git.kernel.org/stable/c/0865ffefea197b437ba78b5dd8d8e256253efd65

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.