PT-2026-72260

In the Linux kernel, the following vulnerability has been resolved: tracing/user events: Fix use-after-free in user event mm dup user event mm dup walks the parent mm's enabler list locklessly under rcu read lock during fork from copy process; it does not take event mutex: rcu read lock; list for...

Linux Distros Unpatched Vulnerability : CVE-2026-68177

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tracing: Delay module ref count for enableevent trigger Triggers are now delayed from freeing, but can still be triggered until after the RCU grace period has...

UBUNTU-CVE-2026-68177

In the Linux kernel, the following vulnerability has been resolved: tracing: Delay module ref count for "enableevent" trigger Triggers are now delayed from freeing, but can still be triggered until after the RCU grace period has ended. The freeing of the enableevent data is put into the...

UBUNTU-CVE-2026-68398

In the Linux kernel, the following vulnerability has been resolved: ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF pppol2tprecv runs in the L2TP UDP-encap softirq RX path: l2tpudpencaprecv - l2tprecvcommon - pppol2tprecv - pppinput&po-chan It runs under rcureadlock holding...

EUVD-2026-55584

In the Linux kernel, the following vulnerability has been resolved: ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF pppol2tprecv runs in the L2TP UDP-encap softirq RX path: l2tpudpencaprecv - l2tprecvcommon - pppol2tprecv - pppinput&po-chan It runs under rcureadlock holding...

CVE-2026-68177

The CVE-2026-68177 entry describes a Linux kernel tracing vulnerability in which delaying the release of a module that contains an active enable/disable event leads to use-after-free if the module is removed while still referenced by an event. The underlying issue is that the module refcount is r...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Unconditionally sets set-nelems before inserting an element. In the event that the set is full, a new element is inserted and then removed without waiting for the RCU grace period. Meanwhile, the RCU reader m...

Linux Distros Unpatched Vulnerability : CVE-2026-68398

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF pppol2tprecv runs in the L2TP UDP-encap softirq RX path: l2tpudpencaprecv - l2tprecvcommo...

SUSE CVE-2026-64459

In the Linux kernel, the following vulnerability has been resolved: tcp: restore RCU grace period in tcpaodestroysock Commit 51e547e8c89c "tcp: Free TCP-AO/TCP-MD5 info/keys without RCU" removed the callrcu callback from tcpaodestroysock, arguing that "the destruction of info/keys is delayed unti...

UBUNTU-CVE-2026-64459

In the Linux kernel, the following vulnerability has been resolved: tcp: restore RCU grace period in tcpaodestroysock Commit 51e547e8c89c "tcp: Free TCP-AO/TCP-MD5 info/keys without RCU" removed the callrcu callback from tcpaodestroysock, arguing that "the destruction of info/keys is delayed unti...

CVE-2026-64459 tcp: restore RCU grace period in tcp_ao_destroy_sock

In the Linux kernel, the following vulnerability has been resolved: tcp: restore RCU grace period in tcpaodestroysock Commit 51e547e8c89c "tcp: Free TCP-AO/TCP-MD5 info/keys without RCU" removed the callrcu callback from tcpaodestroysock, arguing that "the destruction of info/keys is delayed unti...

EUVD-2026-48803

In the Linux kernel, the following vulnerability has been resolved: tcp: restore RCU grace period in tcpaodestroysock Commit 51e547e8c89c "tcp: Free TCP-AO/TCP-MD5 info/keys without RCU" removed the callrcu callback from tcpaodestroysock, arguing that "the destruction of info/keys is delayed unti...

Linux Distros Unpatched Vulnerability : CVE-2026-64459

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tcp: restore RCU grace period in tcpaodestroysock Commit 51e547e8c89c tcp: Free TCP-AO/TCP-MD5 info/keys without RCU removed the callrcu callback from...

DEBIAN-CVE-2026-64250

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Report dying CPU to RCU in stopthiscpu This is a port of MIPS commit 9f3f3bdc6d9dac1 "MIPS: smp: report dying CPU to RCU in stopthiscpu". smpsendstop parks all secondary CPUs in stopthiscpu. And the function marks the...

DEBIAN-CVE-2026-64248

In the Linux kernel, the following vulnerability has been resolved: MIPS: smp: report dying CPU to RCU in stopthiscpu smpsendstop parks all secondary CPUs in stopthiscpu. The function marks the CPU offline for the scheduler via setcpuonlinefalse but never informs RCU, so RCU keeps expecting a...

CVE-2026-64248 MIPS: smp: report dying CPU to RCU in stop_this_cpu()

In the Linux kernel, the following vulnerability has been resolved: MIPS: smp: report dying CPU to RCU in stopthiscpu smpsendstop parks all secondary CPUs in stopthiscpu. The function marks the CPU offline for the scheduler via setcpuonlinefalse but never informs RCU, so RCU keeps expecting a...

CVE-2026-64096

A flaw was found in the batman-adv Better Approach To Mobile Ad-hoc Networking multicast mcast module of the Linux kernel. The batadvmcastpurgeorig function removes entries from RCU Read-Copy-Update-protected lists without ensuring that all active readers have finished accessing those entries. Th...

CVE-2026-64188

CVE-2026-64188 is a Linux kernel vulnerability in the Qualcomm rmnet path where rmnet_dellink() frees an endpoint with kfree() while RCU readers may still reference ep->egress_dev, causing use-after-free and potential kernel crash. The fix adds an rcu_head to struct rmnet_endpoint and replaces...

CVE-2026-64188

In the Linux kernel, the following vulnerability has been resolved: net: qualcomm: rmnet: fix endpoint use-after-free in rmnetdellink rmnetdellink removes the endpoint from the hash table with hlistdelinitrcu and then immediately frees it with kfree. However, RCU readers on the receive path...

SUSE CVE-2026-63802

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix UAF in blkcgrstatflush When multiple blkgs in the same blkcg are released concurrently, a use-after-free can occur. The race happens when one blkg's blkcgrstatflush removes another blkg's iostat entries via...