NULL pointer dereference in Linux kernel spi driver

1) NULL pointer dereference

EUVDB-ID: #VU90385

Risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-36930

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

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

http://git.kernel.org/stable/c/e005d6754e3e440257006795b687c4ad8733b493
http://git.kernel.org/stable/c/a30659f1576d2c8e62e7426232bb18b885fd951a
http://git.kernel.org/stable/c/2070d008cc08bff50a58f0f4d30f12d3ebf94c00
http://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.