EUVD-2026-49051

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: Handle TCACTCONSUMED in tcfqeventhandle tcfclassify can return TCACTCONSUMED while the skb is held by the defragmentation engine e.g. actct on out-of-order fragments. When that happens the skb is no longer owne...

SUSE CVE-2026-63983

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix packet loop on netem when duplicate is on When netem duplicates a packet it re-enqueues the copy at the root qdisc. If another netem sits in the tree the copy can be duplicated again, recursing until the stack or...

SUSE CVE-2026-64136

In the Linux kernel, the following vulnerability has been resolved: smb: client: protect tccount increment in smb2findsmbsesstconunlocked Commit 96c4af418586 "cifs: Fix locking usage for tcon fields" refactored cifs code to change cifstcpseslock for tclock around tccount changes. There was missin...

CVE-2026-64136

A flaw was found in the Linux kernel's Server Message Block SMB client. A missing lock around the tccount increment in the smb2findsmbsesstconunlocked function creates a race condition. This vulnerability, caused by an incomplete refactoring of locking mechanisms, could lead to unexpected behavio...

Linux Distros Unpatched Vulnerability : CVE-2026-64136

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: protect tccount increment in smb2findsmbsesstconunlocked Commit 96c4af418586 cifs: Fix locking usage for tcon fields refactored cifs code to change...

CVE-2026-64136

In the Linux kernel, the following vulnerability has been resolved: smb: client: protect tccount increment in smb2findsmbsesstconunlocked Commit 96c4af418586 "cifs: Fix locking usage for tcon fields" refactored cifs code to change cifstcpseslock for tclock around tccount changes. There was missin...

CVE-2026-63983

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix packet loop on netem when duplicate is on When netem duplicates a packet it re-enqueues the copy at the root qdisc. If another netem sits in the tree the copy can be duplicated again, recursing until the stack or...

EUVD-2026-45821

In the Linux kernel, the following vulnerability has been resolved: smb: client: protect tccount increment in smb2findsmbsesstconunlocked Commit 96c4af418586 "cifs: Fix locking usage for tcon fields" refactored cifs code to change cifstcpseslock for tclock around tccount changes. There was missin...

CVE-2026-64136

In the Linux kernel, the following vulnerability has been resolved: smb: client: protect tccount increment in smb2findsmbsesstconunlocked Commit 96c4af418586 "cifs: Fix locking usage for tcon fields" refactored cifs code to change cifstcpseslock for tclock around tccount changes. There was missin...

CVE-2026-64136

CVE-2026-64136 fixes a race condition in the Linux kernel SMB client (CIFS) by adding the missing lock around tc_count in smb2_find_smb_sess_tcon_unlocked(). The root cause was refactoring that altered locking for tc_lock/tcon fields, leaving tc_count increment without synchronization. The patch ...

CVE-2026-64136 smb: client: protect tc_count increment in smb2_find_smb_sess_tcon_unlocked()

In the Linux kernel, the following vulnerability has been resolved: smb: client: protect tccount increment in smb2findsmbsesstconunlocked Commit 96c4af418586 "cifs: Fix locking usage for tcon fields" refactored cifs code to change cifstcpseslock for tclock around tccount changes. There was missin...

CVE-2026-63983

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix packet loop on netem when duplicate is on When netem duplicates a packet it re-enqueues the copy at the root qdisc. If another netem sits in the tree the copy can be duplicated again, recursing until the stack or...

EUVD-2026-45756

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix packet loop on netem when duplicate is on When netem duplicates a packet it re-enqueues the copy at the root qdisc. If another netem sits in the tree the copy can be duplicated again, recursing until the stack or...

PT-2026-61453

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A locking issue exists in the SMB client where the tc count increment within the smb2 find smb sess tcon unlocked function is not properly protected. This occurs because the code failed ...

CVE-2026-48045

The CVE-2026-48045 issue affects python-zeroconf (Zeroconf Pure Python) where AsyncListener.handle_query_or_defer retains every truncated TC-bit mDNS query per source in self._deferred[addr] and arms per-address timers in self._timers[addr]. This unbounded queue growth on LAN-local hosts (UDP/535...

python-zeroconf: Unbounded TC-deferred queue allows LAN-local memory exhaustion via spoofed-source flood

ImpactAsyncListener.handlequeryordefer retained every truncated TC-bit incoming query in self.deferredaddr and armed a per-addr timer in self.timersaddr that flushed the reassembled query within 500 ms RFC 6762 §18.5. Neither the per-addr list nor the number of distinct addr keys was capped, and...

MAL-2026-7093 Malicious code in @tc-core/auth-service (npm)

--- -= Per source details. Do not edit below this line.=-...

CVE-2026-53264

In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: use RCU with deferred freeing for action lifecycle When NEWTFILTER and DELFILTER are run concurrently it is possible to create a race with an associated action. Let's illustrate with CPU0 running NEWTFILTER and...

UBUNTU-CVE-2026-53264

In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: use RCU with deferred freeing for action lifecycle When NEWTFILTER and DELFILTER are run concurrently it is possible to create a race with an associated action. Let's illustrate with CPU0 running NEWTFILTER and...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: serial: imx: fix tx statemachine deadlock When using the serial port as a RS485 port, the tx statemachine is used to control the RTS pin to drive the RS485 transceiver’s TXEN pin. When the TTY port is closed mid-transmission e.g....