#VU102920 NULL pointer dereference in Linux kernel - CVE-2024-36476

Vulnerability identifier: #VU102920

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-2024-36476

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 send_io_resp_imm() function in drivers/infiniband/ulp/rtrs/rtrs-srv.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/143378075904e78b3b2a810099bcc3b3d82d762f
https://git.kernel.org/stable/c/32e1e748a85bd52b20b3857d80fd166d22fa455a
https://git.kernel.org/stable/c/6ffb5c1885195ae5211a12b4acd2d51843ca41b0
https://git.kernel.org/stable/c/7eaa71f56a6f7ab87957213472dc6d4055862722
https://git.kernel.org/stable/c/b238f61cc394d5fef27b26d7d9aa383ebfddabb0
https://git.kernel.org/stable/c/fb514b31395946022f13a08e06a435f53cf9e8b3

---

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.