Incorrect calculation in Linux kernel

1) Incorrect calculation

EUVDB-ID: #VU93755

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-2024-35860

CWE-ID: CWE-682 - Incorrect Calculation

Exploit availability: No

Description

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

The vulnerability exists due to incorrect calculation within the bpf_kprobe_multi_link_fill_link_info() and bpf_uprobe_multi_link_dealloc() functions in kernel/trace/bpf_trace.c, within the bpf_link_inc() and bpf_raw_tp_link_fill_link_info() functions in kernel/bpf/syscall.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/876941f533e7b47fc69977fc4551c02f2d18af97
http://git.kernel.org/stable/c/5d8d447777564b35f67000e7838e7ccb64d525c8
http://git.kernel.org/stable/c/1a80dbcb2dbaf6e4c216e62e30fa7d3daa8001ce

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.