#VU103119 Out-of-bounds read in Linux kernel - CVE-2024-57945

Vulnerability identifier: #VU103119

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-2024-57945

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 EXPORT_SYMBOL(), setup_bootmem() and setup_vm() functions in arch/riscv/mm/init.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/a4a7ac3d266008018f05fae53060fcb331151a14
https://git.kernel.org/stable/c/d2bd51954ac8377c2f1eb1813e694788998add66
https://git.kernel.org/stable/c/f754f27e98f88428aaf6be6e00f5cbce97f62d4b

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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.