PT-2026-39105 · Linux · Linux Kernel

Published 2026-05-08 · Updated 2026-05-21 · CVE-2026-43444

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 drm/amdkfd component where the error handling path fails to unreserve the buffer object (bo) when a queue update fails.

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

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2026-43444

Affected Products

Linux Kernel

References · 19

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43444.json · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-43444 · Vendor Advisory
• https://git.kernel.org/stable/c/b2b7742c465c8e3b36dc325a48abb4b9f2aaa38b · Patch
• https://osv.dev/vulnerability/BELL-CVE-2026-43444 · Vendor Advisory
• https://git.kernel.org/stable/c/781110700ada22168fbb490dd61432d23a17a5b4 · Patch
• https://linux.oracle.com/errata/ELSA-2026-50372.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-43444 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-43444 · Vendor Advisory
• https://git.kernel.org/stable/c/2ce75a0b7e1bfddbcb9bc8aeb2e5e7fa99971acf · Patch
• https://ubuntu.com/security/CVE-2026-43444 · Vendor Advisory
• https://git.kernel.org/stable/c/529c985da1b277b36dc99aad660f96dc70f3c467 · Patch
• https://cve.org/CVERecord?id=CVE-2026-43444 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-43444 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-43444 · Vendor Advisory
• https://docs.bell-sw.com/security/cves/CVE-2026-43444 · Note