The vulnerability of the aa_replace_profiles function in the Linux operating system’s kernel allows a hacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the aareplaceprofiles function in the Linux operating system’s kernel is related to a memory reclamation error. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...

apparmor: Fix double free of ns_name in aa_replace_profiles()

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EUVD-2026-17837

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, &lh, &nsname; and if ent-nsname contains an nsname in 1089 else if ent-nsname then nsname is assigned the ent-nsname 109...

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, &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 apparmor: Fix double free of ns_name in aa_replace_profiles()

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

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

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...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a double deallocation issue in the aareplaceprofiles function...

PT-2026-29491

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the apparmor subsystem related to a double free of ns name in the aa replace profiles function. Specifically, if ns name is NULL after unpacking...

UBUNTU-CVE-2024-46721

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix possible NULL pointer dereference profile-parent-dentsAAFSPROFDIR could be NULL only if its parent is made from createmissingancestors.. and 'ent-old' is NULL in aareplaceprofiles... In that case, it must return an...