PT-2026-34896 · Linux · Linux Kernel

Published 2026-04-24 · Updated 2026-04-29 · CVE-2026-31544

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 A NULL dereference exists in the arm scmi firmware component on the notify error path. The helper function scmi event handler get ops() may return NULL when a handler cannot be found or created, whereas the call chains expect an ERR PTR on failure.

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

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2026-31544

Affected Products

Linux Kernel

References · 12

• https://nvd.nist.gov/vuln/detail/CVE-2026-31544 · Security Note
• https://ubuntu.com/security/CVE-2026-31544 · Vendor Advisory
• https://git.kernel.org/stable/c/555317d6100164748f7d09f80142739bd29f0cda · Patch
• https://git.kernel.org/stable/c/70d9bd9a2e683afe6200b0c20af22f06f1a199a4 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-31544 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-31544 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-31544 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-31544 · Vendor Advisory
• https://git.kernel.org/stable/c/8414d2800c34528467df23ce6192c254a73e4459 · Patch
• https://twitter.com/infoflowcloud/status/2047799444955865397 · Twitter Post
• https://twitter.com/CVEnew/status/2047798640878715030 · Twitter Post
• https://git.kernel.org/linus/555317d6100164748f7d09f80142739bd29f0cda · Note