PT-2026-47785 · Linux · Linux Kernel

CVE-2026-46327 · Published 2026-06-09 · Updated 2026-07-08

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description A race condition exists in the Device Mapper component where the dm blk report zones() function checks if a device is suspended using the dm suspended md call without holding the necessary locks. This allows a device to be suspended immediately after the check is performed, potentially leading to inconsistent states.

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

Exploit

Related Identifiers

CVE-2026-46327

Affected Products

Linux Kernel

References · 18

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46327.json · Exploit
• https://git.kernel.org/stable/c/175ac0a6115400278d3900f5a04a58b17b3f6cd0 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-46327 · Security Note
• https://osv.dev/vulnerability/CVE-2026-46327 · Vendor Advisory
• https://git.kernel.org/stable/c/d809a36692ee1394cac85ce6ba7cf8ea58da5812 · Patch
• https://osv.dev/vulnerability/BELL-CVE-2026-46327 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-46327 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-46327 · Vendor Advisory
• https://git.kernel.org/stable/c/24c405fdbe215c45e57bba672cc42859038491ee · Patch
• https://security-tracker.debian.org/tracker/CVE-2026-46327 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-46327 · Vendor Advisory
• https://git.kernel.org/stable/c/7a3385e97af2b6f485fef11e82d8c29adee4be93 · Patch
• https://ubuntu.com/security/CVE-2026-46327 · Vendor Advisory
• https://docs.bell-sw.com/security/cves/CVE-2026-46327 · Note
• https://t.me/cveNotify/191802 · Telegram Post