PT-2026-36372 · Linux · Linux Kernel

Published 2026-05-01 · Updated 2026-05-06 · CVE-2026-31737

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 resource leak occurs in the ftgmac100 alloc rings() function during the allocation of rx skbs, tx skbs, rxdes, txdes, and rx scratch. When an intermediate failure occurs, the function returns -ENOMEM immediately without freeing the resources previously allocated, leading to a memory leak.

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

Related Identifiers

CVE-2026-31737

ECHO-6938-C058-4183

Affected Products

Linux Kernel

References · 17

• https://git.kernel.org/stable/c/d45230081f19c280096241353c26b0de457de795 · Patch
• https://git.kernel.org/stable/c/c0fd0fe745f5e8c568d898cd1513d0083e46204a · Patch
• https://osv.dev/vulnerability/BELL-CVE-2026-31737 · Vendor Advisory
• https://git.kernel.org/stable/c/184b3a500d60ea48d1b176103cff1706c456edf3 · Patch
• https://ubuntu.com/security/CVE-2026-31737 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-31737 · Security Note
• https://git.kernel.org/stable/c/8a71911fc7eeea930153322bc1efc065db8cd97e · Patch
• https://git.kernel.org/stable/c/78da43320d9d6ed788147fb085184e4fc801f057 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-31737 · Vendor Advisory
• https://git.kernel.org/stable/c/8351d18989c8642fc53e2e12d94e42314a39b078 · Patch
• https://cve.org/CVERecord?id=CVE-2026-31737 · Security Note
• https://git.kernel.org/stable/c/82f86111f0704ab2ded11a2033bc6cf0be3e09ea · Patch
• https://git.kernel.org/stable/c/a7e1bf392acf11dc4209820fef75758f6e42bd65 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-31737 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-31737 · Vendor Advisory