#VU94268 Improper locking in Linux kernel - CVE-2024-40986

Vulnerability identifier: #VU94268

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-2024-40986

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 xdma_channel_isr() function in drivers/dma/xilinx/xdma.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: before

---

External links
https://git.kernel.org/stable/c/8e1f54e4a3f3207c9dc68bb5000603b75802e7f0
https://git.kernel.org/stable/c/462237d2d93fc9e9221d1cf9f773954d27da83c0
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10

---

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.