Improper error handling in Linux kernel mmc host driver

1) Improper error handling

EUVDB-ID: #VU90936

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-2023-52708

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper error handling within the mmc_spi_probe() function in drivers/mmc/host/mmc_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/e9b488d60f51ae312006e224e03a30a151c28bdd
http://git.kernel.org/stable/c/0b3edcb24bd81b3b2e3dac89f4733bfd47d283be
http://git.kernel.org/stable/c/ecad2fafd424ffdc203b2748ded0b37e4bbecef3
http://git.kernel.org/stable/c/82645bf4ed02abe930a659c5fe16d593a6dbd93f
http://git.kernel.org/stable/c/cf4c9d2ac1e42c7d18b921bec39486896645b714

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.