#VU93755 Incorrect calculation in Linux kernel - CVE-2024-35860

Vulnerability identifier: #VU93755

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-35860

CWE-ID: CWE-682

Exploitation vector: Local

Exploit availability: No

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

Vendor: Linux Foundation

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

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External links
https://git.kernel.org/stable/c/876941f533e7b47fc69977fc4551c02f2d18af97
https://git.kernel.org/stable/c/5d8d447777564b35f67000e7838e7ccb64d525c8
https://git.kernel.org/stable/c/1a80dbcb2dbaf6e4c216e62e30fa7d3daa8001ce

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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.