Out-of-bounds read in Linux kernel sched

1) Out-of-bounds read

EUVDB-ID: #VU91092

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-2024-35985

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to an out-of-bounds read error within the avg_vruntime() and reweight_eevdf() functions in kernel/sched/fair.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/470d347b14b0ecffa9b39cf8f644fa2351db3efb
http://git.kernel.org/stable/c/06f27e6d7bf0abf54488259ef36bbf0e1fccb35c
http://git.kernel.org/stable/c/1560d1f6eb6b398bddd80c16676776c0325fe5fe

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.