Input validation error in Linux kernel bpf

1) Input validation error

EUVDB-ID: #VU94508

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/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-2024-41009

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

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 __aligned(), bpf_ringbuf_alloc(), bpf_ringbuf_restore_from_rec() and __bpf_ringbuf_reserve() functions in kernel/bpf/ringbuf.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

CPE2.3

External links

http://git.kernel.org/stable/c/d1b9df0435bc61e0b44f578846516df8ef476686
http://git.kernel.org/stable/c/511804ab701c0503b72eac08217eabfd366ba069
http://git.kernel.org/stable/c/47416c852f2a04d348ea66ee451cbdcf8119f225
http://git.kernel.org/stable/c/cfa1a2329a691ffd991fcf7248a57d752e712881

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.