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...

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 20.1060e / 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 20.1050e / 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 20.1050e / 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 20.1070e 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 20.1060a / 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 20.1060a / 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 20.1060a / 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 20.1060a / 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-2026-002230)

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-2026-002453)

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 20.1060e / 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 20.1060e / 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 20.1060e / 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 20.1050e / 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...