CVE-2026-64190 net: team: fix NULL pointer dereference in team_xmit during mode change

In the Linux kernel, the following vulnerability has been resolved: net: team: fix NULL pointer dereference in teamxmit during mode change teamchangemode clears team-ops with memset before restoring safe dummy handlers via teamadjustops. A concurrent teamxmit running under RCU on another CPU can...

PT-2026-61643

In the Linux kernel, the following vulnerability has been resolved: net: team: fix NULL pointer dereference in team xmit during mode change team change mode clears team-ops with memset before restoring safe dummy handlers via team adjust ops. A concurrent team xmit running under RCU on another CP...

EUVD-2026-45742

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible infinite loop in rt6fillnode Sashiko reported this issue 1. Apply the same fix as commit f8d8ce1b515a "ipv6: fix possible infinite loop in fib6infousesdev". Writers holding tb6lock can listdelrcu&rt-fib6sibling...

SUSE CVE-2026-53341

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

CVE-2026-53341

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

CVE-2026-53341

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

UBUNTU-CVE-2026-53341

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

CVE-2026-53341

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

CVE-2026-53341 fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh()

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

CVE-2026-53341

The CVE-2026-53341 issue in the Linux kernel concerns a use-after-free (UAF) in fhandle handling due to unlocked reads of mount::mnt_ns during may_decode_fh(). The race occurs because may_decode_fh() can access mnt_ns without taking locks, allowing the mount to be unmounted and the mnt_namespace ...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ipv6: Annotated data-race in ndiscrouterdiscovery The syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This seems fine, as IFLAINET6RAMTU is a best-effort mechanism. Add...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: mISDN: Annotated data-race around dev-work dev-work can be read without locking in mISDNread and mISDNpoll. Add READONCE/WRITEONCE annotations. BUG: KCSAN: Data race in mISDNioctl/mISDNread Writing 0xffff88812d848280 4 bytes b...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Bonding: Annotate the data races around slave-lastrx. slave-lastrx and slave-targetlastarprx... can be read and written without locking. Add READONCE and WRITEONCE annotations. syzbot reported: BUG: KCSAN: Data race in...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net: ipv4: Fixed an alignment fault in the multipath hash seed for ARM64 architectures. The struct sysctlfibmultipathhashseed contains two u32 fields userseed and mpseed, making it an 8-byte structure with a 4-byte alignment...

SUSE CVE-2026-46086

In the Linux kernel, the following vulnerability has been resolved: net: bridge: use a stable FDB dst snapshot in RCU readers Local FDB entries can be rewritten in place by fdbdeletelocal, which updates f-dst to another port or to NULL while keeping the entry alive. Several bridge RCU readers...

CVE-2026-46086

In the Linux kernel, the following vulnerability has been resolved: net: bridge: use a stable FDB dst snapshot in RCU readers Local FDB entries can be rewritten in place by fdbdeletelocal, which updates f-dst to another port or to NULL while keeping the entry alive. Several bridge RCU readers...

UBUNTU-CVE-2026-46086

In the Linux kernel, the following vulnerability has been resolved: net: bridge: use a stable FDB dst snapshot in RCU readers Local FDB entries can be rewritten in place by fdbdeletelocal, which updates f-dst to another port or to NULL while keeping the entry alive. Several bridge RCU readers...

CVE-2026-46086 net: bridge: use a stable FDB dst snapshot in RCU readers

In the Linux kernel, the following vulnerability has been resolved: net: bridge: use a stable FDB dst snapshot in RCU readers Local FDB entries can be rewritten in place by fdbdeletelocal, which updates f-dst to another port or to NULL while keeping the entry alive. Several bridge RCU readers...

CVE-2026-46086

In the Linux kernel, the following vulnerability has been resolved: net: bridge: use a stable FDB dst snapshot in RCU readers Local FDB entries can be rewritten in place by fdbdeletelocal, which updates f-dst to another port or to NULL while keeping the entry alive. Several bridge RCU readers...

CVE-2026-46086

The CVE-2026-46086 issue affects the Linux kernel’s bridge FDB code. Local FDB entries could be rewritten in place by fdb_delete_local(), changing f->dst to another port or NULL while entries remain alive. Several bridge RCU readers (e.g., br_fdb_fillbuf() via brforward_read()) may observe f-&...