#VU103123 NULL pointer dereference in Linux kernel - CVE-2024-57932

Vulnerability identifier: #VU103123

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-2024-57932

CWE-ID: CWE-476

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 NULL pointer dereference within the gve_xdp_xmit() function in drivers/net/ethernet/google/gve/gve_tx.c, within the gve_turndown() function in drivers/net/ethernet/google/gve/gve_main.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/35f44eed5828cf1bc7e760d1993ed8549ba41c7b
https://git.kernel.org/stable/c/cbe9eb2c39d09f3c8574febcfa39d8c09d0c7cb5
https://git.kernel.org/stable/c/ff7c2dea9dd1a436fc79d6273adffdcc4a7ffea3

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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.