CVE-2026-23408

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 after1071 error = aa_unpack(udata, &lh, &ns_name);and if ent->ns_name contains an ns_name in1089 } else if (ent->ns_name) {then ns_name is assigned the ent->ns_name1095 ns_name = ent->ns_name;however ent->ns_name is freed at1262 aa_load_ent_free(ent);and then again when freeing ns_name at1270 kfree(ns_name);Fix this by nulling out ent->ns_name after it is transferred to ns_name)

Risk Information

Base Score

7.8

MODERATE

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Score

Exploitation Probability

0.012

Associated Vulnerability

No records found

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234