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...

Linux Distros Unpatched Vulnerability : CVE-2026-23111

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: nftables: fix inverted genmask check in nftmapcatchallactivate nftmapcatchallactivate has an inverted element activity check compared to its...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000576)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000576 advisory. The capabilities implementation in the Linux kernel before 3.14.8 does not properly consider that namespaces are inapplicable to inodes, which allows local users to...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001426)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001426 advisory. Overlayfs did not properly perform permission checking when copying up files in an overlayfs and could be exploited from within a user namespace, if, for example,...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000674)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000674 advisory. kernel/ptrace.c in the Linux kernel through 4.4.1 mishandles uid and gid mappings, which allows local users to gain privileges by establishing a user namespace,...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004322)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004322 advisory. Overlayfs did not properly perform permission checking when copying up files in an overlayfs and could be exploited from within a user namespace, if, for example,...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003970)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003970 advisory. Overlayfs did not properly perform permission checking when copying up files in an overlayfs and could be exploited from within a user namespace, if, for example,...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002489)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002489 advisory. kernel/ptrace.c in the Linux kernel through 4.4.1 mishandles uid and gid mappings, which allows local users to gain privileges by establishing a user namespace,...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002453)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002453 advisory. fs/namespace.c in the Linux kernel before 4.0.2 processes MNTDETACH umount2 system calls without verifying that the MNTLOCKED flag is unset, which allows local users...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002523)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002523 advisory. The capabilities implementation in the Linux kernel before 3.14.8 does not properly consider that namespaces are inapplicable to inodes, which allows local users to...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003212)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003212 advisory. Linux kernel: heap out-of-bounds in AFPACKET sockets. This new issue is analogous to previously disclosed CVE-2016-8655. In both cases, a socket option that changes...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002230)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002230 advisory. fs/namespace.c in the Linux kernel through 3.16.1 does not properly restrict clearing MNTNODEV, MNTNOSUID, and MNTNOEXEC and changing MNTATIMEMASK during a remount o...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002531)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002531 advisory. The capabilities implementation in the Linux kernel before 3.14.8 does not properly consider that namespaces are inapplicable to inodes, which allows local users to...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003163)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003163 advisory. In the Linux kernel 4.15.x through 4.19.x before 4.19.2, mapwrite in kernel/usernamespace.c allows privilege escalation because it mishandles nested user namespaces...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003129)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003129 advisory. Linux kernel: heap out-of-bounds in AFPACKET sockets. This new issue is analogous to previously disclosed CVE-2016-8655. In both cases, a socket option that changes...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000917)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000917 advisory. Linux kernel: heap out-of-bounds in AFPACKET sockets. This new issue is analogous to previously disclosed CVE-2016-8655. In both cases, a socket option that changes...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000347)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000347 advisory. In the Linux kernel 4.15.x through 4.19.x before 4.19.2, mapwrite in kernel/usernamespace.c allows privilege escalation because it mishandles nested user namespaces...

PT-2026-7991

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the nf tables component of the Linux kernel. The nft map catchall activate function contains a logic bug where an inverted element activity check is...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992167)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992167 advisory. In the Linux kernel, the following vulnerability has been resolved: pnode: terminate at peers of source The propagatemnt function handles mount propagation when...

RockyLinux 10 : kernel (RLSA-2025:23279)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:23279 advisory. kernel: cloneprivatemnt: make sure that caller has CAPSYSADMIN in the right userns CVE-2025-38499 kernel: net: tun: Update napi-skb after XDP process...