Denial of service in Linux kernel arm-smmu-v3

1) Resource management error

EUVDB-ID: #VU89252

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/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-2023-52484

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to improper management of internal resources within the arm_smmu_free_shared_cd() function in drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Linux kernel: All versions

External links

http://git.kernel.org/stable/c/f5a604757aa8e37ea9c7011dc9da54fa1b30f29b
http://git.kernel.org/stable/c/f90f4c562003ac3d3b135c5a40a5383313f27264
http://git.kernel.org/stable/c/3283a1bce9bbc978059f790b84f3c10c32492429
http://git.kernel.org/stable/c/d5afb4b47e13161b3f33904d45110f9e6463bad6

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.