CVE-2026-68426

CVE-2026-68426 affects the Linux kernel xfrm subsystem. A bug in async crypto handling can leave skb->prev pointing to freed memory when GSO segments are stolen, causing a use-after-free. Reported impact includes potential denial of service or, in some cases, arbitrary code execution. The fix ...

CVE-2026-68416

In the Linux kernel, the following vulnerability has been resolved: mtd: fix double free and WARNON in addmtddevice error paths When deviceregister or mtdnvmemadd fails inside addmtddevice for a partition, the error handling triggers mtdrelease via putdevice or deviceunregister. mtdrelease calls...

EUVD-2026-55597

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211hwsim: clamp virtio RX length before skbput hwsimvirtiorxwork passes the virtqueue used-ring length reported by the device straight to skbput on a fixed-size receive skb. A backend reporting a length larger than the...

CVE-2026-68411

The CVE affects the Linux kernel’s wifi/mac80211_hwsim path. In hwsim_virtio_rx_work(), the virtqueue used-ring length reported by the device could be passed directly to skb_put() on a fixed-size receive skb, allowing skb_over_panic() and a host-triggerable guest panic (DoS) when length exceeds t...

CVE-2026-68411 wifi: mac80211_hwsim: clamp virtio RX length before skb_put

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211hwsim: clamp virtio RX length before skbput hwsimvirtiorxwork passes the virtqueue used-ring length reported by the device straight to skbput on a fixed-size receive skb. A backend reporting a length larger than the...

CVE-2026-68405

CVE-2026-68405 (Linux kernel, wifi/mac80211) describes a bug where AP_VLAN bc_buf SKBs could be freed outside the IRQ lock. During ieee80211_do_stop(), AP_VLAN packets are removed from ps->bc_buf while ps->bc_buf.lock is held with IRQs disabled, then ieee80211_free_txskb() is called after r...

CVE-2026-68405 wifi: mac80211: free AP_VLAN bc_buf SKBs outside IRQ lock

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: free APVLAN bcbuf SKBs outside IRQ lock ieee80211dostop removes APVLAN packets from the parent AP ps-bcbuf while holding ps-bcbuf.lock with IRQs disabled. It then calls ieee80211freetxskb before dropping the lock...

EUVD-2026-55591

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: free APVLAN bcbuf SKBs outside IRQ lock ieee80211dostop removes APVLAN packets from the parent AP ps-bcbuf while holding ps-bcbuf.lock with IRQs disabled. It then calls ieee80211freetxskb before dropping the lock...

CVE-2026-68403

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: initialize SDIO data work before cleanup brcmfsdioprobe stores the newly allocated bus in sdiodev-bus before allocating the ordered workqueue. If that allocation fails, the function jumps to fail and calls...

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...

CVE-2026-68388 smb/client: handle overlapping allocated ranges in fallocate

In the Linux kernel, the following vulnerability has been resolved: smb/client: handle overlapping allocated ranges in fallocate smb3simplefallocaterange can skip holes when an allocated range returned by the server starts before the current fallocate offset. The skipped hole is not zero-filled,...

CVE-2026-68387

In the Linux kernel, the following vulnerability has been resolved: can: raw: add locking for raw flags bitfield With commit 890e5198a6e5 "can: raw: use bitfields to store flags in struct rawsock" the formerly separate integer values have been integrated into a single bitfield. This led to a...

CVE-2026-68384 drm/xe/vf: Fix VF CCS attach/detach race with in-flight BO moves

In the Linux kernel, the following vulnerability has been resolved: drm/xe/vf: Fix VF CCS attach/detach race with in-flight BO moves xebomove attaches VF CCS read/write batch buffers BBs to a BO after it transitions NULL/SYSTEM - TT, and detaches them after it transitions TT - SYSTEM. Both...

CVE-2026-68384

CVE-2026-68384 pertains to the Linux kernel component drm/xe/vf, where race conditions were found in VF CCS attach/detach behavior during in-flight BO moves and VF migration. The issue arises because xe_bo_move() attached CCS read/write batch buffers to a BO after it transitioned NULL/SYSTEM → TT...

CVE-2026-68384 drm/xe/vf: Fix VF CCS attach/detach race with in-flight BO moves

In the Linux kernel, the following vulnerability has been resolved: drm/xe/vf: Fix VF CCS attach/detach race with in-flight BO moves xebomove attaches VF CCS read/write batch buffers BBs to a BO after it transitions NULL/SYSTEM - TT, and detaches them after it transitions TT - SYSTEM. Both...

EUVD-2026-55570

In the Linux kernel, the following vulnerability has been resolved: drm/xe/vf: Fix VF CCS attach/detach race with in-flight BO moves xebomove attaches VF CCS read/write batch buffers BBs to a BO after it transitions NULL/SYSTEM - TT, and detaches them after it transitions TT - SYSTEM. Both...

CVE-2026-68379

In the Linux kernel, the following vulnerability has been resolved: tcp: fix TIMEWAIT socket reference leak on PSP policy failure Release the TIMEWAIT socket reference and jump to discardit upon PSP policy failure in both IPv4 and IPv6 receive paths. This prevents a memory leak of tcptwbucket...

CVE-2026-68378

In the Linux kernel, the following vulnerability has been resolved: dpll: fix NULL pointer dereference in dpllmsgaddpinrefsync When a dpllpin is shared across multiple dplldevice instances and those devices are being unregistered e.g. during driver module removal, a NULL pointer dereference can...

CVE-2026-68376 sctp: fix auth_hmacs array size in struct sctp_cookie

In the Linux kernel, the following vulnerability has been resolved: sctp: fix authhmacs array size in struct sctpcookie The authhmacs array in struct sctpcookie is supposed to store a complete SCTPAUTHHMACALGO parameter, which consists of a struct sctpparamhdr followed by N HMAC identifiers...

CVE-2026-68376

The CVE-2026-68376 issue concerns the Linux kernel SCTP implementation. A miscalculated auth_hmacs array size in struct sctp_cookie caused the HMAC-ALGO parameter (struct sctp_paramhdr plus N HMAC identifiers) to overflow the buffer when four identifiers are configured, leading to copying beyond ...