AUGUST 4, 2026
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Case File

CVE-2026-23408

HIGH · CVSS 7.8 EPSS 0.18%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-04-01 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. It affects Linux.

CVE
CVE-2026-23408
Severity
HIGH
CVSS
7.8
EPSS
0.18%
Linux

Original NVD Description

In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix double free of ns_name in aa_replace_profiles() if ns_name is NULL after 1071 error = aa_unpack(udata, &lh, &ns_name); and if ent->ns_name contains an ns_name in 1089 } else if (ent->ns_name) { then ns_name is assigned the ent->ns_name 1095 ns_name = ent->ns_name; however ent->ns_name is freed at 1262 aa_load_ent_free(ent); and then again when freeing ns_name at 1270 kfree(ns_name); Fix this by NULLing out ent->ns_name after it is transferred to ns_name ")

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