Resource management error in Linux kernel dma idxd driver

1) Resource management error

EUVDB-ID: #VU93203

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-2024-26746

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 resource management error within the idxd_cleanup_internals() and idxd_init_evl() functions in drivers/dma/idxd/init.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

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/5e3022ea42e490a36ec6f2cfa6fc603deb0bace4
https://git.kernel.org/stable/c/bb71e040323175e18c233a9afef32ba14fa64eb7
https://git.kernel.org/stable/c/d3ea125df37dc37972d581b74a5d3785c3f283ab

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.