#VU102079 Out-of-bounds read in Linux kernel - CVE-2024-56648

Vulnerability identifier: #VU102079

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-2024-56648

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 fill_frame_info() function in net/hsr/hsr_forward.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/3c215663b3e27a3b08cefcaea623ff54c70c8035
https://git.kernel.org/stable/c/6bb5c8ebc99f0671dbd3c9408ebaf935c3951186
https://git.kernel.org/stable/c/7ea527fbd7b94d0bee64a0a7e98279bcc654b322
https://git.kernel.org/stable/c/aa632691c722a123e47ccd05a3afdd5f87a36061
https://git.kernel.org/stable/c/b9653d19e556c6afd035602927a93d100a0d7644
https://git.kernel.org/stable/c/c6e778901d0055356c4fb223058364cae731494a

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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.