#VU105029 Improper locking in Linux kernel - CVE-2024-57999

Vulnerability identifier: #VU105029

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-2024-57999

CWE-ID: CWE-667

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 locking within the enable_ddw() and spapr_tce_create_table() functions in arch/powerpc/platforms/pseries/iommu.c, within the iommu_table_clear() function in arch/powerpc/kernel/iommu.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

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External links
https://git.kernel.org/stable/c/7043d58ecd1381674f5b2c894deb6986a1a4896b
https://git.kernel.org/stable/c/8f70caad82e9c088ed93b4fea48d941ab6441886
https://git.kernel.org/stable/c/d8cc20a8cceb3b5e8ad2e11365e3100ba36a27e9

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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.