PT-2026-44359 · Linux · Linux Kernel

Published 2026-05-28 · Updated 2026-06-04 · CVE-2026-46236

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 An issue exists in the xbox remote component of the media subsystem where the IO buffer is part of the device structure. This configuration violates DMA (Direct Memory Access) coherency rules, which are protocols ensuring that the CPU and peripheral devices see the same data in memory.

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

Exploit

Related Identifiers

CVE-2026-46236

ECHO-270F-96B9-8C2F

OPENSUSE-SU-2026:10954-1

Affected Products

Linux Kernel

References · 297

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46236.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-46236 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:10954-1 · Vendor Advisory
• https://git.kernel.org/stable/c/e0301883ec779c21158a3923b2eb666074fa976e · Patch
• https://git.kernel.org/stable/c/e280d1e5e3f2595bbb43fe6e1bce00c59a43c0ff · Patch
• https://osv.dev/vulnerability/BELL-CVE-2026-46236 · Vendor Advisory
• https://git.kernel.org/stable/c/0bd8ac88ec5f74cd0f4b8cfc54f4cc0827007249 · Patch
• https://ubuntu.com/security/CVE-2026-46236 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-46236 · Security Note
• https://git.kernel.org/stable/c/63a960b39de9c51f29ca19aa5067934f865c0bc7 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-46236 · Vendor Advisory
• https://git.kernel.org/stable/c/48a668c22e8f92637bc496e84d1cf06900f74a5c · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-46236 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-46236 · Vendor Advisory
• https://git.kernel.org/stable/c/0cc9251833bf02c8c7863404157c94dab5928fcf · Patch