PT-2026-98649

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the af unix module where blocking recvMSG PEEK calls can lead to high CPU usage. This occurs because the manage oob function may skip Out-of-Band OOB socket buffers sk...

PT-2026-72868

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the rxrpc component when using the recvmsg function with the MSG PEEK flag. The rxrpc recvmsg function fails to drop the reference it holds on a call that has...

CVE-2026-53361

In the Linux kernel, the following vulnerability has been resolved: afunix: Set gcinprogress to true in unixgc. Igor Ushakov reported that unixgc could run with gcinprogress being false if the work is scheduled while running: Thread 1 Thread 2 Thread 3 -------- -------- -------- unixschedulegc...

CVE-2026-43029 mptcp: fix soft lockup in mptcp_recvmsg()

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix soft lockup in mptcprecvmsg syzbot reported a soft lockup in mptcprecvmsg 0. When receiving data with MSGPEEK | MSGWAITALL flags, the skb is not removed from the skreceivequeue. This causes skwaitdata to always find...

CVE-2026-23066

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix recvmsg unconditional requeue If rxrpcrecvmsg fails because MSGDONTWAIT was specified but the call at the front of the recvmsg queue already has its mutex locked, it requeues the call - whether or not the call is alrea...

CVE-2024-57902

In the Linux kernel, the following vulnerability has been resolved: afpacket: fix vlangettci vs MSGPEEK Blamed commit forgot MSGPEEK case, allowing a crash 1 as found by syzbot. Rework vlangettci to not touch skb at all, so that it can be used from many cpus on the same skb. Add a const qualifier...

PT-2025-3626

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.74 Description A vulnerability in the Linux kernel has been resolved, specifically in the af packet module. The issue was caused by a forgotten case for MSG PEEK in the vlan get protocol dgram function,...

PT-2025-3627

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.74 Description A vulnerability in the Linux kernel has been resolved, specifically in the af packet module, where the function vlan get tci did not handle the MSG PEEK case correctly, allowing a crash to occu...

CVE-2024-53210

In the Linux kernel, the following vulnerability has been resolved: s390/iucv: MSGPEEK causes memory leak in iucvsockdestruct Passing MSGPEEK flag to skbrecvdatagram increments skb refcount skb-users and iucvsockrecvmsg does not decrement skb refcount at exit. This results in skb memory leak in...

CVE-2024-53210

In the Linux kernel, the following vulnerability has been resolved: s390/iucv: MSGPEEK causes memory leak in iucvsockdestruct Passing MSGPEEK flag to skbrecvdatagram increments skb refcount skb-users and iucvsockrecvmsg does not decrement skb refcount at exit. This results in skb memory leak in...