kernel: "Dirty Frag" ESP XFRM variant is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel

A flaw was found in the Linux kernel's xfrm-ESP and RxRPC subsystems. Unsafe in-place cryptographic processing of shared socket buffer fragments allows a low-privileged local attacker to corrupt page-cache contents of readable files, including sensitive system files, and gain root privileges. The...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: runc (UTSA-2026-016515)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016515 advisory. runc is a CLI tool for spawning and running containers according to the OCI specification. runc 1.1.13 and earlier, as well as 1.2.0-rc2 and earlier, can be tricked...

Exploit for Incorrect Authorization in Canonical Ubuntu_Linux

CVE-2023-32629 — OverlayFS Local Full Privilege Escalation Ove...

Linux Distros Unpatched Vulnerability : CVE-2026-23405

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - apparmor: fix: limit the number of levels of policy namespaces Currently the number of policy namespaces is not bounded relying on the user namespace limit...

SUSE CVE-2026-23405

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix: limit the number of levels of policy namespaces Currently the number of policy namespaces is not bounded relying on the user namespace limit. However policy namespaces aren't strictly tied to user namespaces and it...

EUVD-2026-17833

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix: limit the number of levels of policy namespaces Currently the number of policy namespaces is not bounded relying on the user namespace limit. However policy namespaces aren't strictly tied to user namespaces and it...

CVE-2026-23405

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix: limit the number of levels of policy namespaces Currently the number of policy namespaces is not bounded relying on the user namespace limit. However policy namespaces aren't strictly tied to user namespaces and it...

UBUNTU-CVE-2026-23405

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix: limit the number of levels of policy namespaces Currently the number of policy namespaces is not bounded relying on the user namespace limit. However policy namespaces aren't strictly tied to user namespaces and it...

CVE-2026-23405

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix: limit the number of levels of policy namespaces Currently the number of policy namespaces is not bounded relying on the user namespace limit. However policy namespaces aren't strictly tied to user namespaces and it...

CVE-2026-23405 apparmor: fix: limit the number of levels of policy namespaces

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix: limit the number of levels of policy namespaces Currently the number of policy namespaces is not bounded relying on the user namespace limit. However policy namespaces aren't strictly tied to user namespaces and it...

CVE-2026-23405 apparmor: fix: limit the number of levels of policy namespaces

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix: limit the number of levels of policy namespaces Currently the number of policy namespaces is not bounded relying on the user namespace limit. However policy namespaces aren't strictly tied to user namespaces and it...

CVE-2026-23405

CVE-2026-23405 concerns the Linux kernel AppArmor feature where policy namespaces could be nested arbitrarily deep, potentially exhausting system resources. The vulnerability arises because policy namespaces were not bounded by the user namespace depth, and are not strictly tied to user namespace...

PT-2026-29488

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in apparmor where the number of policy namespaces is not bounded, potentially leading to resource exhaustion through arbitrary nesting. This issue is not...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2025-38499)

In the Linux kernel, the following vulnerability has been resolved: cloneprivatemnt: make sure that caller has CAPSYSADMIN in the right userns What we want is to verify there is that clone won't expose something hidden by a mount we wouldn't be able to undo. Wouldn't be able to undo may be a resu...

Exploit for Privilege Context Switching Error in Canonical Ubuntu_Linux

CVE-2021-3493 – Ubuntu OverlayFS Local Privilege Escalation...

Exploit for Privilege Context Switching Error in Canonical Ubuntu_Linux

CVE-2021-3493 – Ubuntu OverlayFS Local Privilege Escalation...

SUSE CVE-2026-23111

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix inverted genmask check in nftmapcatchallactivate nftmapcatchallactivate has an inverted element activity check compared to its non-catchall counterpart nftmapelemactivate and compared to what is logically...

UBUNTU-CVE-2026-23111

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix inverted genmask check in nftmapcatchallactivate nftmapcatchallactivate has an inverted element activity check compared to its non-catchall counterpart nftmapelemactivate and compared to what is logically...

CVE-2026-23111

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix inverted genmask check in nftmapcatchallactivate nftmapcatchallactivate has an inverted element activity check compared to its non-catchall counterpart nftmapelemactivate and compared to what is logically...

CVE-2026-23111

CVE-2026-23111 (Linux kernel) : A bug in netfilter nf_tables nft_map_catchall_activate() inverted the genmask check, causing catchall elements to be processed incorrectly during abort of a DELSET operation. The function skipped inactive elements and processed active ones, leading to a use-after-f...