#VU104987 Out-of-bounds read in Linux kernel - CVE-2024-57996

Vulnerability identifier: #VU104987

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-2024-57996

CWE-ID: CWE-125

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 an out-of-bounds read error within the sfq_change() function in net/sched/sch_sfq.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/10685681bafce6febb39770f3387621bf5d67d0b
https://git.kernel.org/stable/c/35d0137305ae2f97260a9047f445bd4434bd6cc7
https://git.kernel.org/stable/c/7d8947f2153ee9c5ab4cb17861a11cc45f30e8c4
https://git.kernel.org/stable/c/7fefc294204f10a3405f175f4ac2be16d63f135e
https://git.kernel.org/stable/c/833e9a1c27b82024db7ff5038a51651f48f05e5e

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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.