#VU94294 Integer overflow in Linux kernel - CVE-2024-40994

Vulnerability identifier: #VU94294

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-40994

CWE-ID: CWE-190

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 execute arbitrary code.

The vulnerability exists due to integer overflow within the max_vclocks_store() function in drivers/ptp/ptp_sysfs.c. A local user can execute arbitrary code.

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/4b03da87d0b7074c93d9662c6e1a8939f9b8b86e
https://git.kernel.org/stable/c/d50d62d5e6ee6aa03c00bddb91745d0b632d3b0f
https://git.kernel.org/stable/c/666e934d749e50a37f3796caaf843a605f115b6f
https://git.kernel.org/stable/c/e1fccfb4638ee6188377867f6015d0ce35764a8e
https://git.kernel.org/stable/c/81d23d2a24012e448f651e007fac2cfd20a45ce0

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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.