CVE-2026-63978: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Drain pending requests at net namespace exit The arguments to listspliceinit in handshakenetexit are reversed. The call moves the local empty "requests" list onto hn-hnrequests, leaving the local list empty, so the...

CVE-2026-64124: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: devmem: reject dma-buf bind with non-page-aligned size or SG length netdevmembinddmabuf trusts dmabuf-size and sgdmalen to be PAGESIZE multiples without checking: - txvec is sized dmabuf-size / PAGESIZE, and netdevmemgetniov...

CVE-2026-63870: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ieee802154: 6lowpan: only accept IPv6 packets in lowpanxmit The aoe driver or similar generates a non-IPv6 packet e.g., ETHPAOE and queues it for transmission via devqueuexmit on a 6LoWPAN interface configured by the user or test...

CVE-2026-63979: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/handshake: hand off the pinned file reference to acceptdoit handshakereqnext removes the request from the per-net pending list and drops hnlock before handshakenlacceptdoit reads req-hrsk-sksocket and dereferences sock-file...

PT-2026-61236

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the xfrm input component where the network namespace netns is not properly held during deferred transport reinjection. The process stores a struct net pointer in skb-c...

PT-2026-61231

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Linux kernel where the xfrm send migrate function in net/xfrm/xfrm user.c and the pfkey send migrate function in net/key/af key.c hardcode the &init net for...

PT-2026-61298

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A stack overflow occurs in the Linux kernel due to a recursion bypass in the tcf mirred act function. The function uses a counter sched mirred nest to limit recursion depth, but when the...

PT-2026-61295

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the net/handshake component where pending requests are not properly drained during net namespace exit. This occurs because the arguments to the list splice init functi...

PT-2026-61299

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A loop detection failure exists in the network scheduler when using mirred redirects. Specifically, when a packet is redirected to ingress from either ingress or egress, the loop state...

PT-2026-61322

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the net/smc module where INIT HLIST HEAD&smc v hashinfo.ht is called after smc nl init, proto register, and sock register. This sequence can cause the smc v hashinfo.h...

Linux Distros Unpatched Vulnerability : CVE-2026-63829

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: ipgre: require CAPNETADMIN in the device netns for changelink A tunnel changelink operates on at most two netns, devnetdev and the tunnel link netns t-net...

CVE-2026-64012: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: schsfb: Replace direct dequeue call with peek and qdiscdequeuepeeked When sfb has children eg qfq qdisc whose peek callback is qdiscpeekdequeued, we could get a kernel panic. When the parent of such qdiscs eg illustrat...

CVE-2026-63982: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix ethx:ingress - ethy:egress - ethx:ingress mirred loop When mirred redirects to ingress from either ingress or egress the loop state from schedmirreddev array dev is lost because of 1 the packet deferral into the...

CVE-2026-63981: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: Fix blockcast recursion bypass leading to stack overflow tcfmirredact checks schedmirrednest against MIRREDNESTLIMIT 4 to prevent deep recursion. However, when the action uses blockcast tcfmblockid != 0, the...

CVE-2026-63980: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Use spinlockbh for hnlock nvmettcpstatechange, a socket callback that runs in BH context, can reach handshakereqcancel via nvmettcpschedulereleasequeue and tlshandshakecancel. handshakereqcancel acquires hn-hnlock...

CVE-2026-64046: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: tls: prevent chain-after-chain in plain text SG Sashiko points out that if end = 0 start != 0 the current code will create a chain link to content type right after the wrap link: This would create a chain where the wrap link...

CVE-2026-64123: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: hsr: defer node table free until after RCU readers HSR node-list and node-status generic-netlink operations run under rcureadlock. They walk hsr-nodedb through hsrgetnextnode and hsrgetnodedata, but RTMDELLINK teardown remov...

CVE-2026-64005: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/smc: Do not re-initialize smc hashtables INITHLISTHEAD&smcvhashinfo.ht are called after smcnlinit, protoregister and sockregister. This can lead to smcvhashinfo.ht being reset even though hash entries already exist and are...

CVE-2026-64055: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: cortina: Carry over frag counter The gmacrx NAPI poll function assembles packets in an SKB from a ring buffer. If the ring buffer gets completely emptied during a poll cycle, we exit gmacrx, but the packet is not y...

PT-2026-61344

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the network shaper component due to the non-atomic storage of flags within the XArray. A reader may observe a VALID mark for a slot but be interrupted before...