#VU90662 NULL pointer dereference in Linux kernel - CVE-2024-26587

Vulnerability identifier: #VU90662

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-2024-26587

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 nsim_init_netdevsim_vf() and nsim_destroy() functions in drivers/net/netdevsim/netdev.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/08aca65997fb6f233066883b1f1e653bcb1f26ca
https://git.kernel.org/stable/c/c5068e442eed063d2f1658e6b6d3c1c6fcf1e588
https://git.kernel.org/stable/c/ea937f77208323d35ffe2f8d8fc81b00118bfcda

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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.