ALSA-2026:23329 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: proc: use the same treatment to check proclseek as ones for procreaditer et.al CVE-2025-38653 kernel: nbd: defer config unlock in nbdgenlconnect CVE-2025-68366 kernel: smb: client: fix OO...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables – Release flowtable after the rcu grace period with an error. The function synchronizercu is called after unregistering the hooks from the error path. This is because a hook that already references this...

RockyLinux 9 : kernel (RLSA-2026:21556)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:21556 advisory. kernel: proc: use the same treatment to check proclseek as ones for procreaditer et.al CVE-2025-38653 kernel: ima: don't clear IMADIGSIG flag when setti...

kernel: netfilter: nf_tables: release flowtable after rcu grace period on error

A flaw was found in the Linux kernel's netfilter component, specifically within the nftables subsystem. An error in releasing a flowtable after an RCU Read-Copy-Update grace period could lead to a use-after-free vulnerability. This issue could expose the flowtable to the packet path and...

kernel: netfilter: nf_tables: release flowtable after rcu grace period on error

A flaw was found in the Linux kernel's netfilter component, specifically within the nftables subsystem. An error in releasing a flowtable after an RCU Read-Copy-Update grace period could lead to a use-after-free vulnerability. This issue could expose the flowtable to the packet path and...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: proc: use the same treatment to check proclseek as ones for procreaditer et.al CVE-2025-38653 kernel: ima: don't clear IMADIGSIG flag when setting or removing non-IMA xattr CVE-2025-68183...

kernel: netfilter: flowtable: account for Ethernet header in nf_flow_pppoe_proto()

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: account for Ethernet header in nfflowpppoeproto syzbot found a potential access to uninit-value in nfflowpppoeproto Blamed commit forgot the Ethernet header. BUG: KMSAN: uninit-value in...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

kernel: netfilter: flowtable: account for Ethernet header in nf_flow_pppoe_proto()

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: account for Ethernet header in nfflowpppoeproto syzbot found a potential access to uninit-value in nfflowpppoeproto Blamed commit forgot the Ethernet header. BUG: KMSAN: uninit-value in...

ALSA-2026:18587 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: bonding: check xdp prog when set bond mode CVE-2025-22105 kernel: block: fix resource leak in blkregisterqueue error path CVE-2025-37980 kernel: dmaengine: idxd: fix memory leak in error...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: bonding: check xdp prog when set bond mode CVE-2025-22105 kernel: block: fix resource leak in blkregisterqueue error path CVE-2025-37980 kernel: dmaengine: idxd: fix memory leak in error...

CVE-2026-43329

A flaw was found in the Netfilter flowtable component of the Linux kernel. This vulnerability occurs because the system does not strictly check the maximum number of hardware offload actions for IPv6, allowing it to process more actions than supported. This could potentially lead to system...

SUSE CVE-2026-43329

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: strictly check for maximum number of actions The maximum number of flowtable hardware offload actions in IPv6 is: ethernet mangling 4 payload actions, 2 for each ethernet address SNAT 4 payload actions DNAT ...

EUVD-2026-28613

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: strictly check for maximum number of actions The maximum number of flowtable hardware offload actions in IPv6 is: ethernet mangling 4 payload actions, 2 for each ethernet address SNAT 4 payload actions DNAT ...

CVE-2026-43329

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: strictly check for maximum number of actions The maximum number of flowtable hardware offload actions in IPv6 is: ethernet mangling 4 payload actions, 2 for each ethernet address SNAT 4 payload actions DNAT ...

CVE-2026-43329

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: strictly check for maximum number of actions The maximum number of flowtable hardware offload actions in IPv6 is: ethernet mangling 4 payload actions, 2 for each ethernet address SNAT 4 payload actions DNAT ...

UBUNTU-CVE-2026-43329

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: strictly check for maximum number of actions The maximum number of flowtable hardware offload actions in IPv6 is: ethernet mangling 4 payload actions, 2 for each ethernet address SNAT 4 payload actions DNAT ...

CVE-2026-43329

CVE-2026-43329 concerns the Linux kernel netfilter flowtable where the maximum number of hardware offload actions for IPv6 was exceeded (17 used vs 16 allowed). The fixes update flow_action_entry_next() to enforce the limit and raise the per-flow action cap from 16 to 24, enabling IPv6 setups to ...

CVE-2026-43329 netfilter: flowtable: strictly check for maximum number of actions

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: strictly check for maximum number of actions The maximum number of flowtable hardware offload actions in IPv6 is: ethernet mangling 4 payload actions, 2 for each ethernet address SNAT 4 payload actions DNAT ...

CVE-2026-43329

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: strictly check for maximum number of actions The maximum number of flowtable hardware offload actions in IPv6 is: ethernet mangling 4 payload actions, 2 for each ethernet address SNAT 4 payload actions DNAT ...