#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: 6.13 - 6.13.1

---

External links
https://git.kernel.org/stable/c/7043d58ecd1381674f5b2c894deb6986a1a4896b
https://git.kernel.org/stable/c/8f70caad82e9c088ed93b4fea48d941ab6441886
https://git.kernel.org/stable/c/d8cc20a8cceb3b5e8ad2e11365e3100ba36a27e9
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.2

---

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?