#VU90589 NULL pointer dereference in Linux kernel - CVE-2024-26802

Vulnerability identifier: #VU90589

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-2024-26802

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 stmmac_fpe_stop_wq() function in drivers/net/ethernet/stmicro/stmmac/stmmac_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/8e99556301172465c8fe33c7f78c39a3d4ce8462
https://git.kernel.org/stable/c/17ccd9798fe0beda3db212cfa3ebe373f605cbd6
https://git.kernel.org/stable/c/699b103e48ce32d03fc86c35b37ee8ae4288c7e3
https://git.kernel.org/stable/c/f72cf22dccc94038cbbaa1029cb575bf52e5cbc8
https://git.kernel.org/stable/c/8af411bbba1f457c33734795f024d0ef26d0963f

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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.