#VU93023 Out-of-bounds read in Linux kernel - CVE-2024-39277

Vulnerability identifier: #VU93023

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-2024-39277

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 do_map_benchmark() function in kernel/dma/map_benchmark.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
http://git.kernel.org/stable/c/b41b0018e8ca06e985e87220a618ec633988fd13
http://git.kernel.org/stable/c/8e1ba9df9a35e8dc64f657a64e523c79ba01e464
http://git.kernel.org/stable/c/5a91116b003175302f2e6ad94b76fb9b5a141a41
http://git.kernel.org/stable/c/50ee21bfc005e69f183d6b4b454e33f0c2571e1f
http://git.kernel.org/stable/c/e64746e74f717961250a155e14c156616fcd981f

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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.