Improper error handling in Linux kernel btrfs

1) Improper error handling

EUVDB-ID: #VU90944

Risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-35935

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper error handling within the iterate_inode_ref() function in fs/btrfs/send.c. A local user 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/be2b6bcc936ae17f42fff6494106a5660b35d8d3
http://git.kernel.org/stable/c/024529c27c8b4b273325a169e078337c8279e229
http://git.kernel.org/stable/c/4720d590c4cb5d9ffa0060b89743651cc7e995f9
http://git.kernel.org/stable/c/2f6174fd4ccf403b42b3d5f0d1b6b496a0e5330a
http://git.kernel.org/stable/c/9ae356c627b493323e1433dcb27a26917668c07c
http://git.kernel.org/stable/c/c1363ed8867b81ea169fba2ccc14af96a85ed183
http://git.kernel.org/stable/c/03938619a1e718b6168ae4528e1b0f979293f1a5
http://git.kernel.org/stable/c/3c6ee34c6f9cd12802326da26631232a61743501

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.