CVE-2026-23408 - apparmor: Fix double free of ns_name in aa_replace_profiles()

CVE-2026-23408 - apparmor: Fix double free of ns_name in aa_replace_profiles()

https://cvefeed.io/rssfeed/latest.atom / Wed, 04/01/2026 - 15:09
CVE ID :CVE-2026-23408
Published : April 1, 2026, 9:16 a.m. | 3 hours, 50 minutes ago
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 ")
Severity: 0.0 | NA
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