CVE-2026-90179 apparmor: fix deadlock in complain-mode change_hat

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix deadlock in complain-mode changehat The use of changehat when in complain mode can cause a deadlock when the hat doesn't exist and a new learning profile is created for the missing profile. This is because changehat...

PT-2026-94594

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An integer overflow exists in the AppArmor module during the validation of the tagset table unpacked from a policy blob. The verify tags function performs a bounds check by adding an ind...

PT-2026-94527

Name of the Vulnerable Software and Affected Versions Linux kernel versions 6.18.44 through 7.2-rc7 Description A deadlock occurs in AppArmor when using the change hat function while in complain mode. The issue arises when a requested hat does not exist, triggering the creation of a new learning...

PT-2026-94579

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the AppArmor module where the unprivileged transition restriction on unconfined profiles is not correctly applied when a task is already confined by a stack. This flaw...

CVE-2026-90179: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix deadlock in complain-mode changehat The use of changehat when in complain mode can cause a deadlock when the hat doesn't exist and a new learning profile is created for the missing profile. This is because changehat...

CVE-2026-90231: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix unconfined user namespace restriction forced stack If a task is already confined by a stack the unprivileged transition restriction on unconfined is not correctly, applied. This results in an escape if two transitio...

CVE-2026-90246: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix integer overflow in verifytags bounds check verifytags validates the tagset table unpacked from a policy blob. For each set it reads a count and checks that advancing the index by that count stays inside sets.table:...

codejail v4.1.1

CodeJail CodeJail manages execution of untrusted code in secure sandboxes. It is designed primarily for Python execution, but can be used for other languages as well. Security is enforced with AppArmor. If your operating system doesn't support AppArmor, or if the AppArmor profile is not defined a...

Astra Linux – Vulnerability in Linux 5.10

Ubuntu Linux 6.8, 6.17, and 7.0 contain AppArmor patches that incorrectly attempt to free a pointer that was not previously allocated using kmalloc. At the same time, allocated memory is also leaked. This bug can be triggered by an unprivileged local user, and it can result in corruption of slab...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: AppArmor: Fixed the rlimit settings for posix cpu timers. posix cpu timers require an additional step beyond simply setting rlimit. The code should be refactored so it’s clear which code is setting the limits, and the posix cp...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: AppArmor: Fixing differential encoding verification Differential encoding allows loops to be created if it is abused. To prevent this, the unpacking process should verify that the diff-encode chain terminates. Unfortunately, t...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: AppArmor: Fixed a reference count leak in aapivotroot. The aapivotroot function has a reference counting bug in a specific path. When aareplacecurrentlabel returns successfully, the function forgets to decrement the reference cou...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: AppArmor: It is ensured that the DFA start states are within the valid range when unpackpdb is called. The start states are read from untrusted data and used as indexes into the DFA state tables. The aadfanext function call in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: AppArmor: Fixed the issue where an unprivileged local user could perform privileged policy management. An unprivileged local user can load, replace, and remove policies by opening the AppArmor interfaces. This can be achieved...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: AppArmor: Fixed the issue where NULL sock was used in aasockfileperm. Consider the possibility that sock and sock-sk could become NULL during socket setup or tear-down. This could lead to an error. The fix for NULL pointer...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: AppArmor: Fixed a 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 value of...

Astra Linux – Vulnerability in Linux 5.10

Ubuntu Linux 6.8, 7.17, and 7.0 contain AppArmor SAUCE patches that, under certain circumstances, may use an uninitialized variable in notification handling code. This bug can be triggered by a non-privileged local user, and it can lead to incorrect caching of AppArmor notification responses...

Astra Linux – Vulnerability in Linux 5.10

Ubuntu Linux 6.8 includes AppArmor patches that fail to properly acquire a lock when modifying a linked list. An unprivileged local user could exploit this race condition, leading to a Use-After-Free UAF error, and, theoretically, arbitrary code execution...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: AppArmor: A memory leak has been fixed in allocns. After changes in commit a1bd627b46d1 “AppArmor: sharing the profile name during replacement”, the hname member of the struct aapolicy is not a valid slab object; however, it is a...

SUSE CVE-2026-89762

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix cred UAF caused by begincurrentlabelcritsection AppArmor's begincurrentlabelcritsection is a scary function called from lots of LSM hooks in particular VFS/socket-related ones that checks if the label referenced by...