#VU90385 NULL pointer dereference in Linux kernel - CVE-2024-36930

Vulnerability identifier: #VU90385

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-2024-36930

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 __spi_sync() function in drivers/spi/spi.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/e005d6754e3e440257006795b687c4ad8733b493
https://git.kernel.org/stable/c/a30659f1576d2c8e62e7426232bb18b885fd951a
https://git.kernel.org/stable/c/2070d008cc08bff50a58f0f4d30f12d3ebf94c00
https://git.kernel.org/stable/c/4756fa529b2f12b7cb8f21fe229b0f6f47190829

---

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.