NULL pointer dereference in Linux kernel driver-api fpga

1) NULL pointer dereference

EUVDB-ID: #VU93122

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-2024-35247

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 fpga_region_get(), fpga_region_put(), ATTRIBUTE_GROUPS(), fpga_region_register_full(), ERR_PTR() and EXPORT_SYMBOL_GPL() functions in drivers/fpga/fpga-region.c, within the fpga_region_register_full() function in Documentation/driver-api/fpga/fpga-region.rst. 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

CPE2.3

External links

http://git.kernel.org/stable/c/26e6e25d742e29885cf44274fcf6b744366c4702
http://git.kernel.org/stable/c/9b4eee8572dcf82b2ed17d9a328c7fb87df2f0e8
http://git.kernel.org/stable/c/75a001914a8d2ccdcbe4b8cc7e94ac71d0e66093
http://git.kernel.org/stable/c/4d7d12b643c00e7eea51b49a60a2ead182633ec8
http://git.kernel.org/stable/c/2279c09c36165ccded4d506d11a7714e13b56019
http://git.kernel.org/stable/c/b7c0e1ecee403a43abc89eb3e75672b01ff2ece9

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.