EUVD-2026-81765

In the Linux kernel, the following vulnerability has been resolved: smb: smbdirect: destroy QP before mem pools on accept failure On the rdmaacceptfailed error path of smbdirectacceptconnectrequest, the receive io posted just above is owned by the QP recvio is set to NULL after a successful post...

EUVD-2026-81764

In the Linux kernel, the following vulnerability has been resolved: smb: smbdirect: release pending child sockets outside the handler lock smbdirectsocketdestroy releases the listener's pending/ready child sockets while still holding the listener's handler lock, the &idpriv-handlermutex taken via...

EUVD-2026-81763

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate ipc response length before dereferencing its fields ipcvalidatemsg computes the expected message size by reading length fields out of the response buffer supplied by the userspace ksmbd daemon payloadsz,...

EUVD-2026-81762

In the Linux kernel, the following vulnerability has been resolved: ksmbd: free preauth sessions on connection teardown SMB3.1.1 multichannel binding preserves the preauthentication hash in a preauthsession between the NTLM negotiate and authenticate requests. The binding NTLM negotiate allocates...

EUVD-2026-81761

In the Linux kernel, the following vulnerability has been resolved: ksmbd: retain connection for pending notify work Deferred CHANGENOTIFY work keeps an async message ID after the original request work is released. A durable handle can outlive its connection, so the connection teardown can destro...

EUVD-2026-81760

In the Linux kernel, the following vulnerability has been resolved: ksmbd: serialize oplock close with pending break ownership close may abort an in-flight oplock break while another breaker already holds an opinfo reference. Releasing pendingbreak wakes that waiter, but without serializing the...

EUVD-2026-81758

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix invalid pointer dereference in ksmbdstopdurablescavenger See the procedure below: ksmbdlaunchksmbddurablescavenger durablescavengerrunning = true serverconf.dhtask = kthreadrun // fail, dhtask is an ERRPTR...

EUVD-2026-81759

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix null-ptr-deref in ksmbdipctreeconnectrequest See the procedure below: ksmbdtreeconnconnect ksmbdshareconfigget share-name = kstrdup // fail if !testshareconfigflagshare, KSMBDSHAREFLAGPIPE // false // do not check...

EUVD-2026-81757

In the Linux kernel, the following vulnerability has been resolved: smb/server: abort initialization when proc setup fails ksmbdserverinit calls ksmbdprocinit before creating the remaining proc entries and server subsystems. ksmbdprocinit tears down partial state on a procfs or percpucounter...

EUVD-2026-81755

In the Linux kernel, the following vulnerability has been resolved: ksmbd: defer publishing granted locks to prevent UAF/double-free race In smb2lock, mid-batch granted locks are published to connection-wide conn-locklist and file-wide fp-locklist lists immediately upon vfslockfile success, while...

EUVD-2026-81756

In the Linux kernel, the following vulnerability has been resolved: smb/server: call ksmbdproccleanup on module init failure When a later initializer fails, the unwind chain releases resources created after procfs and then jumps directly to classunregister. Returning an error from moduleinit leav...

EUVD-2026-81754

In the Linux kernel, the following vulnerability has been resolved: erofs: fix interlaced ztailpacking pclusters On-disk sizes of interlaced pclusters should be block-aligned, and ztailpacking interlaced pclusters should be invalid at all. Currently, mkfs.erofs won't generate any interlaced...

EUVD-2026-81752

In the Linux kernel, the following vulnerability has been resolved: bpf: Disallow bpfg,setsockopt in cgroup UNIX getname hooks bpfsetsockopt and bpfgetsockopt call sockownedbyme for full sockets, so these helpers expect the socket lock to be held. BPFCGROUPUNIXGETPEERNAME and...

EUVD-2026-81753

In the Linux kernel, the following vulnerability has been resolved: lwtbpf: Restore reserved headroom after xmit program ipfinishoutput2 expands an skb to LLRESERVEDSPACEdev before LWT xmit. An LWTXMIT BPF program can then modify the skb head and still return BPFOK, so bpfxmit rechecks the...

EUVD-2026-81750

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject negative optlen in cgroup getsockopt hook A cgroup getsockopt BPF program can shrink ctx-optlen after the kernel getsockopt handler has run. The kernel-buffer variant, used by TCPZEROCOPYRECEIVE, only rejects values...

EUVD-2026-81751

In the Linux kernel, the following vulnerability has been resolved: m68k: nfcon: Do not call consoleisregistered in nfcondevice Since 7c2af0f634f1 "tty: ttyio: use consolelistlock for list synchronization" showconsactive calls the .device method under the consolelistlock, but consoleisregistered...

EUVD-2026-81749

In the Linux kernel, the following vulnerability has been resolved: ksmbd: safely discard unregistered deferred locks When vfslockfile defers a lock, smb2lock puts its ksmbdlock on rollbacklist before allocating and registering the asynchronous work. If either operation fails, rollback assumes th...

EUVD-2026-81747

In the Linux kernel, the following vulnerability has been resolved: ksmbd: scope session state changes to bound connections ksmbdallconnsetstatus treats every connection whose transient binding flag is set as belonging to the target SessionId. A logoff or session replacement can consequently move...

EUVD-2026-81748

In the Linux kernel, the following vulnerability has been resolved: ksmbd: detach blocked lock requests before freeing A filelock retained by ksmbd for byte-range lock bookkeeping can still be part of the VFS blocked-request graph. In particular, the VFS can chain a new waiter below an already...

EUVD-2026-81746

In the Linux kernel, the following vulnerability has been resolved: ksmbd: bound smbcheckpermdacl ACE walks by DACL size smbcheckpermdacl validates that the DACL fits inside the NT security descriptor, but then bounds its two ACE walks by the remaining NTSD length aclsize rather than the DACL's...

EUVD-2026-81745

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix session leak in ksmbdsessionregister See the procedure below: smb2sesssetup ksmbdsmb2sessioncreate sessioncreate atomicset&sess-refcnt, 2 hashaddsessionstable, &sess-hlist, sess-id ksmbdsessionregister...

EUVD-2026-81743

In the Linux kernel, the following vulnerability has been resolved: pnfs/blocklayout: Fix device leaks on parse failure blparseconcat and blparsestripe allocate a child device array and then parse each child in turn. If parsing a child fails, the failed child is not counted in nrchildren and the...

EUVD-2026-81744

In the Linux kernel, the following vulnerability has been resolved: NFSv4: remove callback IDR entry on client allocation failure nfs4allocclient allocates an NFSv4.0 callback identifier before it finishes setting up the client. If any later initialization step fails, the error path frees the...

EUVD-2026-81742

In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: fix NULL dereference for NFSv4.0 data servers flexfiles accepts NFSv4.0 data servers, but two NFSv4 code paths assume the data server client has a session. Unlike NFSv4.1+, an NFSv4.0 client has no session...

EUVD-2026-81740

In the Linux kernel, the following vulnerability has been resolved: clk: devres: fix cleanup in devmclkgetoptionalenabledwithrate devmclkgetoptionalenabledwithrate registers its cleanup action before setting the clock rate. If setting the rate fails, it attempts to disable and unprepare a clock...

EUVD-2026-81741

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fix incorrect argument passed to nfs4deletelease in nfs4addlease When nfs4addlease races with a delegation return, it calls nfs4deletelease to clean up. Previously, it passed priv, which can legitimately be NULL. Passing a...

EUVD-2026-81738

In the Linux kernel, the following vulnerability has been resolved: hinic3: Fix skb linearization mismatch and drop skb when skbchecksumhelp failed Previously, hinic3sendoneskb cached the skb fragment count before calling hinic3txoffload. If hinic3txcsum falls back to skbchecksumhelp for...

EUVD-2026-81739

In the Linux kernel, the following vulnerability has been resolved: bpf, xdp: move offload check into devxdpinstall bpfxdplinkupdate calls devxdpinstall directly and skips devxdpattach, so the checks in devxdpattach do not run. A user can make an XDP link with a normal program and then swap in an...

EUVD-2026-81737

In the Linux kernel, the following vulnerability has been resolved: dpll: fix NULL deref in dplldeviceops during teardown race When the last owner of a dpll device unregisters while a foreign driver still holds a pin on it via dpllpinonpinregister, the dpll object stays alive with an empty...

EUVD-2026-81736

In the Linux kernel, the following vulnerability has been resolved: net: kcm: Hold RCU read lock while running BPF parser kcmparsefuncstrparser calls bpfprogrunpinoncpu which prevents CPU migration, but does not establish an RCU read-side critical section. Consequently, BPF map operations can...

EUVD-2026-81735

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fix resize of the RX ring When a AFXDP socket is attached, the virtnetrxresize should resize the rq-xskbuffs XSK buffer array. Otherwise, when the size grows, the virtnetrxresume causes a write past the end of the arra...

EUVD-2026-81734

In the Linux kernel, the following vulnerability has been resolved: ipvs: fix integer overflow in ftp helper port/address parsing ipvsftpgetaddrport accumulates decimal digits into a u16 hport and into unsigned char p without checking for overflow. A crafted FTP PASV/EPSV response with an over-lo...

EUVD-2026-81732

In the Linux kernel, the following vulnerability has been resolved: fuse: check for NULL root inode in fusefillsupersubmount fuseiget can return NULL when its inode allocation fails, but fusefillsupersubmount passed the result straight to getfuseinode and decremented fi-nlookup without checking i...

EUVD-2026-81733

In the Linux kernel, the following vulnerability has been resolved: cuse: wait for pending RCU callbacks on module exit Since commit 053fc4f755ad "fuse: fix UAF in rcu pathwalks", fuseconnput frees the fuseconn through callrcu rather than synchronously. For cuse, fc-release is cusefcrelease, whic...

EUVD-2026-81731

In the Linux kernel, the following vulnerability has been resolved: vsock: don't check the listener's skerr in vsockaccept Syzbot reported an issue which can be reproduced with these steps: r0 = socketAFVSOCK, SOCKSTREAM, 0 bindr0, VMADDRCIDANY, PORT connectr0, VMADDRCIDLOCAL, PORT - -1, EPROTO...

EUVD-2026-81729

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd/hsmp: Reject negative power cap writes in hwmon hsmphwmonwrite takes the user-supplied hwmon value as a signed long and assigns "val / MICROWATTPERMILLIWATT" to msg.args0, which is a u32. MICROWATTPERMILLIWATT is...

EUVD-2026-81730

In the Linux kernel, the following vulnerability has been resolved: platform/x86: hp-bioscfg: fix password encoding bounds check The password PSWDENCODINGS parser reads passwordobjelem + posvalues while copying the supported password encodings from the ACPI package. The outer loop only guarantees...

EUVD-2026-81728

In the Linux kernel, the following vulnerability has been resolved: net: add missing reftrackerdirexit to allocnetdevmqs sashiko is reporting that trying to read /sys/kernel/debug/reftracker/ causes use-afer-free crash when either allocpercpu or devaddrinit in allocnetdevmqs failed, for commit...

EUVD-2026-81726

In the Linux kernel, the following vulnerability has been resolved: ntfs: Fix indexroot heap OOB write in ntfsirtoib ntfsirtoib copies all entries from indexroot into a freshly allocated indexblocksize-byte buffer without verifying that the entries fit in the available space. The entries in...

EUVD-2026-81727

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix kmaplocalpage usage in compress Several compressed I/O paths discard the address returned by kmaplocalpage and later access or unmap the page using pageaddress. This is invalid for highmem pages, and local mappings must...

EUVD-2026-81725

In the Linux kernel, the following vulnerability has been resolved: ntfs: reject unprivileged writes to reserved $LX xattrs Reject setxattr of the reserved $LXUID, $LXGID, $LXMOD and $LXDEV names from userspace unless the caller has CAPSYSADMIN...

EUVD-2026-81723

In the Linux kernel, the following vulnerability has been resolved: vdpasim: fix cleanup after worker creation failure vdpasimcreate leaves vdpasim-worker as an ERRPTR when kthreadrunworker fails. The error path then drops the device reference, which releases the partially initialized simulator...

EUVD-2026-81724

In the Linux kernel, the following vulnerability has been resolved: ntfs: serialize resident iomap reads with mreclock ntfsreadiomapbeginresident walks the MFT record through ntfsattrlookup - ntfsattrfind without taking ni-mreclock, while ntfsattrrecordresize, ntfsmakeroomforattr and...

EUVD-2026-81722

In the Linux kernel, the following vulnerability has been resolved: virtioballoon: quiesce balloon work before device shutdown Commit 8bd2fa086a04 "virtio: break and reset virtio devices on deviceshutdown" added a generic virtio bus .shutdown handler that breaks and resets every virtio device...

EUVD-2026-81720

In the Linux kernel, the following vulnerability has been resolved: virtio: rtc: time out alarm requests RTC class operations run with rtcdevice.opslock held. The virtio RTC alarm requests currently wait without a timeout for the device to return their requestq buffers. On surprise removal,...

EUVD-2026-81721

In the Linux kernel, the following vulnerability has been resolved: vdpa/mlx5: fix wrong list iterated in adddirectchain error path In adddirectchain, newly allocated direct MR entries are added to the local list 'tmp', which is spliced into mr-head only on success. On the error path, the cleanup...

EUVD-2026-81719

In the Linux kernel, the following vulnerability has been resolved: rtc: pcf8563: fix clock provider leak on unbind pcf8563clkoutregisterclk registers the CLKOUT clock provider with ofclkaddprovider, but nothing ever unwinds it: there is no ofclkdelprovider call and the driver has no remove...

EUVD-2026-81717

In the Linux kernel, the following vulnerability has been resolved: irqchip/renesas-rzg2l: Fix loss of interrupt rzg2lclearirqint and rzg2lcleartintint perform a read-modify-write on the ISCR/TSCR status registers to clear the bit for the interrupt just handled. Since these registers are...

EUVD-2026-81718

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix request buffer leak in smb2newreadreq smb2newreadreq allocates the request buffer with smb2plainreqinit but only publishes it to the caller with buf = req at the very end of the function. Two error returns sit in...

EUVD-2026-81716

In the Linux kernel, the following vulnerability has been resolved: irqchip/ast2700-intc: Avoid allocating in the irqdomain activate callback The interrupt core calls the irqdomainactivate callback from setupirq with desc-lock held and interrupts disabled. Both aspeedintc1irqdomainactivate and...