CVE-2026-45848

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix NULL sock in aasockfileperm Deal with the potential that sock and sock-sk can be NULL during socket setup or teardown. This could lead to an oops. The fix for NULL pointer dereference in unixneedsrevalidation shows...

CVE-2026-45848

The CVE-2026-45848 issue affects the Linux kernel AppArmor component, where NULL sock or sock-sk can occur during socket setup/teardown, potentially causing a NULL pointer dereference and a kernel oops (DoS) for af_unix sockets. Root cause is dereferencing NULL during socket operations; impact is...

CVE-2026-45848 apparmor: fix NULL sock in aa_sock_file_perm

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix NULL sock in aasockfileperm Deal with the potential that sock and sock-sk can be NULL during socket setup or teardown. This could lead to an oops. The fix for NULL pointer dereference in unixneedsrevalidation shows...

UBUNTU-CVE-2026-45966

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix NULL pointer dereference in unixneedsrevalidation When receiving file descriptors via SCMRIGHTS, both the socket pointer and the socket's sk pointer can be NULL during socket setup or teardown, causing NULL pointer...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the improper handling of misaligned memory during the creation of the AppArmor table. This...

CVE-2026-45966

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix NULL pointer dereference in unixneedsrevalidation When receiving file descriptors via SCMRIGHTS, both the socket pointer and the socket's sk pointer can be NULL during socket setup or teardown, causing NULL pointer...

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 incorrect string termination in AppArmor, potentially leading to a buffer overflow...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the AppArmor module failing to handle cases where sock and sock-sk might be NULL during socket...

Linux Distros Unpatched Vulnerability : CVE-2026-45965

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - apparmor: fix invalid deref of rawdata when exportbinary is unset If the exportbinary parameter is disabled on runtime, profiles that were loaded before that wi...

CVE-2026-46055

In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix string overrun due to missing termination When booting Ubuntu 26.04 with Linux 7.0-rc4 on an ARM64 Qualcomm Snapdragon X1 we see a string buffer overrun: BUG: KASAN: slab-out-of-bounds in aadfamatch...

Linux Distros Unpatched Vulnerability : CVE-2026-45893

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - apparmor: Fix & Optimize table creation from possibly unaligned memory Source blob may come from userspace and might be unaligned. Try to optize the copying...

Linux Distros Unpatched Vulnerability : CVE-2026-45848

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - apparmor: fix NULL sock in aasockfileperm Deal with the potential that sock and sock-sk can be NULL during socket setup or teardown. This could lead to an oops...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from an oversight in AppArmor where the counter for each CPU’s cache holdings does not check for...

PT-2026-43751

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the AppArmor module where the aa get buffer function unconditionally decrements the cache-hold variable when pulling from the per-cpu list. If hold reaches 0 while cou...

PT-2026-43833

Name of the Vulnerable Software and Affected Versions Linux kernel versions 6.17 through 6.17 Description A NULL pointer dereference occurs in the unix needs revalidation function when receiving file descriptors via SCM RIGHTS. During socket setup or teardown, both the socket pointer and the...

PT-2026-43760

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the AppArmor module where table creation from source blobs originating in userspace may involve unaligned memory accesses. This issue occurs because the source blob migh...

PT-2026-43922

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.0.11-1.1 Description A string buffer overrun occurs in the AppArmor module due to missing termination. This issue manifests as a slab-out-of-bounds read within the aa dfa match function, specifically when...

PT-2026-43715

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the AppArmor module. Specifically, the aa sock file perm function does not properly handle cases where sock and sock-sk can be NULL during socket set...

PT-2026-43832

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in AppArmor where a NULL pointer dereference occurs when the export binary parameter is disabled at runtime. Profiles loaded before this change retain their raw data in...

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...