PT-2026-5532 · Loongarch+2 · Loongarch+2

Published 2026-01-01 · Updated 2026-04-20 · CVE-2026-23029

Positive Technologies (AI Summary)

CVSS v2.0

5.5

Medium

Base vector

AV:A/AC:L/Au:S/C:N/I:N/A:C

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

Description A memory leak exists in the Linux kernel related to KVM (Kernel-based Virtual Machine) functionality on LoongArch architecture. Specifically, the kvm device structure allocated in kvm ioctl create device() was not being properly freed within the kvm eiointc destroy() function. This failure to free allocated memory results in a memory leak. The vulnerable function is kvm eiointc destroy().

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

Exploit

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

BDU:2026-03760

CVE-2026-23029

ECHO-3F69-3D3C-78E5

Affected Products

Kvm

Linux Kernel

Loongarch

References · 18

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23029.json · Exploit
• https://osv.dev/vulnerability/CVE-2026-23029 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2404-CVE-2026-23029 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23029 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2026-23029 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-03760 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-23029 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-23029 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-23029 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-23029 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-23029 · Security Note
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://git.kernel.org/stable/c/7d8553fc75aefa7ec936af0cf8443ff90b51732e · Note
• https://t.me/CVEtracker/43389 · Telegram Post
• https://twitter.com/CVEnew/status/2017567086625558969 · Twitter Post