Out-of-bounds read in Linux kernel dma



| Updated: 2025-05-13
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-39277
CWE-ID CWE-125
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU93023

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 - 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 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: 5.15 - 6.6.32

CPE2.3 External links

https://git.kernel.org/stable/c/b41b0018e8ca06e985e87220a618ec633988fd13
https://git.kernel.org/stable/c/8e1ba9df9a35e8dc64f657a64e523c79ba01e464
https://git.kernel.org/stable/c/5a91116b003175302f2e6ad94b76fb9b5a141a41
https://git.kernel.org/stable/c/50ee21bfc005e69f183d6b4b454e33f0c2571e1f
https://git.kernel.org/stable/c/e64746e74f717961250a155e14c156616fcd981f
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.161
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.93
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.33


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.



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