PT-2024-29196 · Linux+1 · Linux Kernel+1

Published 2024-06-11 · Updated 2024-07-16 · CVE-2024-40991

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to the of k3 udma glue parse chn by id() helper function in the Linux kernel, which erroneously invokes of node put() on the udmax np device-node without having incremented its reference count. This problem has been resolved.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-911

Related Identifiers

BDU:2026-04544

CVE-2024-40991

Affected Products

Astra Linux

Linux Kernel

References · 18

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/40xxx/CVE-2024-40991.json · Exploit
• https://git.kernel.org/stable/c/a5ab5f413d1e4c7ed5f64271b025f0726374509e · Patch
• https://osv.dev/vulnerability/CVE-2024-40991 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2024-40991 · Vendor Advisory
• https://git.kernel.org/stable/c/ba27e9d2207784da748b19170a2e56bd7770bd81 · Patch
• https://osv.dev/vulnerability/BELL-CVE-2024-40991 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2024-40991 · Security Note
• https://bdu.fstec.ru/vul/2026-04544 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-40991 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2024-40991 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-40991 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2024-40991 · Vendor Advisory
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.9.7 · Note
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://t.me/cvedetector/730 · Telegram Post