#VU94289 Double free in Linux kernel - CVE-2024-40937

Vulnerability identifier: #VU94289

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-2024-40937

CWE-ID: CWE-415

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 a double free error within the gve_rx_skb_hash() and gve_rx_poll_dqo() functions in drivers/net/ethernet/google/gve/gve_rx_dqo.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/75afd8724739ee5ed8165acde5f6ac3988b485cc
https://git.kernel.org/stable/c/d221284991118c0ab16480b53baecd857c0bc442
https://git.kernel.org/stable/c/2ce5341c36993b776012601921d7688693f8c037
https://git.kernel.org/stable/c/a68184d5b420ea4fc7e6b7ceb52bbc66f90d3c50
https://git.kernel.org/stable/c/6f4d93b78ade0a4c2cafd587f7b429ce95abb02e

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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.