PT-2026-44361 · Linux · Linux Kernel

CVE-2026-46238 · Published 2026-05-28 · Updated 2026-06-10

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:A/AC:L/PR:N/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 In the batman-adv module, BAT IV caches an originator pointer in each neigh node derived from a temporary lookup. This pointer is not owned by the neigh node and may refer to an invalid originator entry after purge handling occurs.

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

Exploit

Related Identifiers

CVE-2026-46238

ECHO-498B-8B6B-BB87

OPENSUSE-SU-2026:10954-1

Affected Products

Linux Kernel

References · 297

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46238.json · Exploit
• https://osv.dev/vulnerability/openSUSE-SU-2026:10954-1 · Vendor Advisory
• https://git.kernel.org/stable/c/8c16c68fdbb69778f8d04f650340c3f4d1518f8e · Patch
• https://git.kernel.org/stable/c/f03e8583532941b07761c5429de7d50766fa3110 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-46238 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-46238 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-46238 · Security Note
• https://ubuntu.com/security/CVE-2026-46238 · Vendor Advisory
• https://git.kernel.org/stable/c/67bceeb22207f1f5a402973a3a0809e5f2698f38 · Patch
• https://osv.dev/vulnerability/CVE-2026-46238 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-46238 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2026-46238 · Vendor Advisory
• https://git.kernel.org/stable/c/09dc0d1a12222ffca6481916eab3cfea477b9620 · Patch
• https://git.kernel.org/stable/c/aafcbaf1159ea224528ca4075d0ba8c10ef374af · Patch
• https://git.kernel.org/stable/c/384e3050a42be9085d50507b4d5f8266a588d742 · Patch