#VU94982 NULL pointer dereference in Linux kernel - CVE-2024-41048

Vulnerability identifier: #VU94982

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-2024-41048

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 sk_msg_recvmsg() function in net/core/skmsg.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

---

External links
https://git.kernel.org/stable/c/195b7bcdfc5adc5b2468f279dd9eb7eebd2e7632
https://git.kernel.org/stable/c/fb61d7b9fb6ef0032de469499a54dab4c7260d0d
https://git.kernel.org/stable/c/b180739b45a38b4caa88fe16bb5273072e6613dc
https://git.kernel.org/stable/c/f8bd689f37f4198a4c61c4684f591ba639595b97
https://git.kernel.org/stable/c/f0c18025693707ec344a70b6887f7450bf4c826b

---

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.