UBUNTU-CVE-2026-23408

In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix double free of nsname in aareplaceprofiles if nsname is NULL after 1071 error = aaunpackudata, &lh, &nsname; and if ent-nsname contains an nsname in 1089 else if ent-nsname then nsname is assigned the ent-nsname 109...

CVE-2026-23408

In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix double free of nsname in aareplaceprofiles if nsname is NULL after 1071 error = aaunpackudata, , name; and if ent-nsname contains an nsname in 1089 else if ent-nsname then nsname is assigned the ent-nsname 1095 nsna...

CVE-2026-23408

The CVE-2026-23408 issue affects the Linux kernel AppArmor module. The root cause was a double free of ns_name in aa_replace_profiles(): ns_name could be NULLed after it had been transferred from ent->ns_name, but ent->ns_name was freed later, and then freed again when kfree(ns_name). The p...

XACK DNS vulnerable to denial-of-service (DoS)

Overview XACK DNS is DNS server software provided by XACK, Inc. XACK DNS contains a denial-of-service DoS vulnerability due to an issue commonly referred to as NXNSAttack. XACK, Inc. reported this vulnerability to IPA to notify users of its solution through JVN. JPCERT/CC and XACK, Inc. coordinat...