#VU89252 Resource management error in Linux kernel - CVE-2023-52484

Vulnerability identifier: #VU89252

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-2023-52484

CWE-ID: CWE-399

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 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

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External links
https://git.kernel.org/stable/c/f5a604757aa8e37ea9c7011dc9da54fa1b30f29b
https://git.kernel.org/stable/c/f90f4c562003ac3d3b135c5a40a5383313f27264
https://git.kernel.org/stable/c/3283a1bce9bbc978059f790b84f3c10c32492429
https://git.kernel.org/stable/c/d5afb4b47e13161b3f33904d45110f9e6463bad6

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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.