PT-2026-5530 · Linux · Linux Kernel

Published 2026-01-01 · Updated 2026-05-26 · CVE-2026-23027

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 functionality on LoongArch architecture. Specifically, the kvm device structure is not properly freed within the kvm pch pic destroy() function after memory allocation in kvm ioctl create device(). This results in a memory leak when a KVM device is destroyed. The vulnerable function is kvm pch pic 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:2026-04095

CVE-2026-23027

ECHO-E10D-8878-8638

Affected Products

Linux Kernel

References · 18

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23027.json · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-23027 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-04095 · Security Note
• https://osv.dev/vulnerability/CVE-2026-23027 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2404-CVE-2026-23027 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23027 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-23027 · Security Note
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2026-23027 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-23027 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-23027 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-23027 · Security Note
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://twitter.com/VulmonFeeds/status/2017605732208607387 · Twitter Post
• https://t.me/CVEtracker/43387 · Telegram Post
• https://git.kernel.org/linus/1cf342a7c3adc5877837b53bbceb5cc9eff60bbf · Note