CVE-2026-45918

In the Linux kernel, the following vulnerability has been resolved: ovpn: tcp - don't deref NULL sksocket member after tcpclose When deleting a peer in case of keepalive expiration, the peer is removed from the OpenVPN hashtable and is temporary inserted in a "release list" for further processing...

CVE-2026-45884

In the Linux kernel, the following vulnerability has been resolved: apparmor: avoid per-cpu hold underflow in aagetbuffer When aagetbuffer pulls from the per-cpu list it unconditionally decrements cache-hold. If hold reaches 0 while count is still non-zero, the unsigned decrement wraps to UINTMAX...

CVE-2026-45975

In the Linux kernel, the following vulnerability has been resolved: ublk: use READONCE to read struct ublksrvctrlcmd struct ublksrvctrlcmd is part of the iouringsqe, which may lie in userspace-mapped memory. It's racy to access its fields with normal loads, as userspace may write to them...

CVE-2026-46069

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: fix use-after-free in mwifiexadaptercleanup The mwifiexadaptercleanup function uses timerdelete non-synchronous for the wakeuptimer before the adapter structure is freed. This is incorrect because timerdelete does...

CVE-2026-46098

In the Linux kernel, the following vulnerability has been resolved: net: caif: clear client service pointer on teardown caifconnect can tear down an existing client after remote shutdown by calling caifdisconnectclient followed by caiffreeclient. caiffreeclient releases the service layer referenc...

CVE-2026-46081

In the Linux kernel, the following vulnerability has been resolved: crypto: acomp - fix wrong pointer stored by acompsavereq acompsavereq stores &req-chain in req-base.data. When acompreqchaindone is invoked on asynchronous completion, it receives &req-chain as the data argument but casts it...

CVE-2026-46079

In the Linux kernel, the following vulnerability has been resolved: rbd: fix null-ptr-deref when deviceadddisk fails dorbdadd publishes the device with deviceadd before calling deviceadddisk. If deviceadddisk fails after deviceadd succeeds, the error path calls rbdfreedisk directly and then later...

CVE-2026-46095

In the Linux kernel, the following vulnerability has been resolved: md/md-llbitmap: raise barrier before state machine transition Move the barrier raise operation before calling llbitmapstatemachine in both llbitmapstartwrite and llbitmapstartdiscard. This ensures the barrier is in place before a...

CVE-2026-46085

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix rxkad crypto unalignment handling Fix handling of a packet with a misaligned crypto length. Also handle non-ENOMEM errors from decryption by aborting. Further, remove the WARNONONCE so that it can't be remotely trigger...

CVE-2026-46050

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix deadlock with check operation and nowait requests When an array check is running it will raise the barrier at which point normal requests will become blocked and increment the nrpending value to signal there is wor...

CVE-2026-45898

In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fix workqueue list corruption by removing worklist The commit e1168f0 "RDMA/iwcm: Simplify cmeventhandler" changed the work submission logic to unconditionally call queuework with the expectation that queuework would...

CVE-2026-45856

In the Linux kernel, the following vulnerability has been resolved: RDMA/uverbs: Validate wqesize before using it in ibuverbspostsend ibuverbspostsend uses cmd.wqesize from userspace without any validation before passing it to kmalloc and using the allocated buffer as struct ibuverbssendwr. If a...

CVE-2026-45960

In the Linux kernel, the following vulnerability has been resolved: hfsplus: return error when node already exists in hfsbnodecreate When hfsbnodecreate finds that a node is already hashed which should not happen in normal operation, it currently returns the existing node without incrementing its...

CVE-2026-46014

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Add missing save/restore handling of LBR MSRs MSRIA32DEBUGCTLMSR and LBR MSRs are currently not enumerated by KVMGETMSRINDEXLIST, and LBR MSRs cannot be set with KVMSETMSRS. So save/restore is completely broken. Fix it ...

CVE-2026-45972

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF and double free in smb2openfile Zero out @erriov and @errbuftype before retrying SMB2open to prevent an UAF bug if @data != NULL, otherwise a double free...

CVE-2026-45889

In the Linux kernel, the following vulnerability has been resolved: mptcp: do not account for OoO in mptcprcvbufgrow MPTCP-level OoOs are physiological when multiple subflows are active concurrently and will not cause retransmissions nor are caused by drops. Accounting for them in mptcprcvbufgrow...

CVE-2026-45920

In the Linux kernel, the following vulnerability has been resolved: ext4: fix dirtyclusters double decrement on fs shutdown fstests test generic/388 occasionally reproduces a warning in ext4putsuper associated with the dirty clusters count: WARNING: CPU: 7 PID: 76064 at fs/ext4/super.c:1324...

CVE-2026-45910

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix race condition in QP timer handlers I encontered the following warning: WARNING: drivers/infiniband/sw/rxe/rxetask.c:249 at rxeschedtask+0x1c8/0x238 rdmarxe, CPU0: swapper/0/0 ... libsha1 last unloaded: ip6udptunnel...

CVE-2026-46013

In the Linux kernel, the following vulnerability has been resolved: mm/memfdluo: fix physical address conversion in putfolios cleanup In memfdluoretrievefolios's putfolios cleanup path: 1. khorestorefolio expects a physaddrt physical address but receives a raw PFN pfolio-pfn. This causes...

CVE-2026-45970

In the Linux kernel, the following vulnerability has been resolved: bonding: alb: fix UAF in rlbarprecv during bond up/down The ALB RX path may access rxhashtbl concurrently with bond teardown. During rapid bond up/down cycles, rlbdeinitialize frees rxhashtbl while RX handlers are still running,...

CVE-2026-46017

In the Linux kernel, the following vulnerability has been resolved: mm: fix deferred split queue races during migration migratefoliomove records the deferred split queue state from src and replays it on dst. Replaying it after removemigrationptessrc, dst, 0 makes dst visible before it is requeued...

CVE-2026-46054

In the Linux kernel, the following vulnerability has been resolved: selinux: fix overlayfs mmap and mprotect access checks The existing SELinux security model for overlayfs is to allow access if the current task is able to access the top level file the "user" file and the mounter's credentials ar...

CVE-2026-45943

In the Linux kernel, the following vulnerability has been resolved: erofs: fix inline data read failure for ztailpacking pclusters Compressed folios for ztailpacking pclusters must be valid before adding these pclusters to I/O chains. Otherwise, zerofsdecompresspcluster may assume they are alread...

CVE-2026-45857

In the Linux kernel, the following vulnerability has been resolved: scsi: csiostor: Fix dereference of null pointer rn The error exit path when rn is NULL ends up deferencing the null pointer rn via the use of the macro CSIOINCSTATS. Fix this by adding a new error return path label after the use ...

CVE-2026-46072

In the Linux kernel, the following vulnerability has been resolved: ntfs3: add buffer boundary checks to rununpack rununpack checks runbuf runlast at the top of the while loop but then reads sizesize and offsetsize bytes via rununpacks64 without verifying they fit within the remaining buffer. A...

CVE-2026-46093

In the Linux kernel, the following vulnerability has been resolved: mm/vmalloc: take vmappurgelock in shrinker decayvapoolnode can be invoked concurrently from two paths: purgevmaparealazy when pools are being purged, and the shrinker via vmapnodeshrinkscan. However, decayvapoolnode is not safe t...

CVE-2026-46029

In the Linux kernel, the following vulnerability has been resolved: mm/slab: return NULL early from kmallocnolock in NMI on UP On UP kernels !CONFIGSMP, spintrylock is a no-op that unconditionally succeeds even when the lock is already held. As a result, kmallocnolock called from NMI context can...

CVE-2026-45894

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down PASID entry The Intel VT-d Scalable Mode PASID table entry consists of 512 bits 64 bytes. When tearing down an entry, the current implementation zeros the entire 64-byte structure...

CVE-2026-45998

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix potential UAF after skbunshare failure If skbunshare fails to unshare a packet due to allocation failure in rxrpcinputpacket, the skb pointer in the parent rxrpciothread will be NULL'd out. This will likely cause the...

CVE-2026-45968

In the Linux kernel, the following vulnerability has been resolved: cpuidle: Skip governor when only one idle state is available On certain platforms PowerNV systems without a power-mgt DT node, cpuidle may register only a single idle state. In cases where that single state is a polling state sta...

CVE-2026-45951

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a potential use-after-free of BTF object Refcounting in the checkpseudobtfid function is incorrect: the checkpseudobtfid function might get called with a zero refcounted btf. Fix this, and patch related code accordingly...

CVE-2026-45974

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid leaf access in btrfsquotaenable if ref key not found If btrfssearchslotforread returns 1, it means we did not find any key greater than or equals to the key we asked for, meaning we have reached the end of the...

CVE-2026-45842

In the Linux kernel, the following vulnerability has been resolved: slip: reject VJ receive packets on instances with no rstate array slhcinit accepts rslots == 0 as a valid configuration, with the documented meaning of 'no receive compression'. In that case the allocation loop in slhcinit is...

CVE-2026-45881

In the Linux kernel, the following vulnerability has been resolved: soc: mediatek: svs: Fix memory leak in svsenabledebugwrite In svsenabledebugwrite, the buf allocated by memdupusernul is leaked if kstrtoint fails. Fix this by using freekfree to automatically free buf, eliminating the need for...

CVE-2026-45883

In the Linux kernel, the following vulnerability has been resolved: iio: sca3000: Fix a resource leak in sca3000probe spi-irq from requestthreadedirq not released when iiodeviceregister fails. Add an return value check and jump to a common error handler when iiodeviceregister fails...

CVE-2026-45872

In the Linux kernel, the following vulnerability has been resolved: scsi: smartpqi: Fix memory leak in pqireportphysluns pqireportphysluns fails to release the rpllist buffer when encountering an unsupported data format or when the allocation for rpl16bytewwidlist fails. These early returns bypas...

CVE-2026-45878

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix watchid bounds checking in debug address watch v2 The address watch clear code receives watchid as an unsigned value u32, but some helper functions were using a signed int and checked bits by shifting with watchid...

CVE-2026-46089

In the Linux kernel, the following vulnerability has been resolved: zram: do not forget to endio for partial discard requests As reported by Qu Wenruo and Avinesh Kumar, the following getconf PAGESIZE 65536 blkdiscard -p 4k /dev/zram0 takes literally forever to complete. zram doesn't support...

CVE-2026-46075

In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-sha204a - Fix potential UAF and memory leak in remove path Unregister the hwrng to prevent new -read calls and flush the Atmel I2C workqueue before teardown to prevent a potential UAF if a queued callback runs while...

CVE-2026-46048

In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: fix usbdev refcount leak on probe failure createcard takes a reference on the USB device with usbgetdev and stores the matching usbputdev in cardfree, which is installed as the sndcard's -privatefree destructor...

CVE-2026-46043

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Validate pad and ICRC before payloadsize in rxercv rxercv currently checks only that the incoming packet is at least headersizepkt bytes long before payloadsize is used. However, payloadsize subtracts both the...

CVE-2026-46015

In the Linux kernel, the following vulnerability has been resolved: tcp: call skdataready after listener migration When inetcsklistenstop migrates an established child socket from a closing listener to another socket in the same SOREUSEPORT group, the target listener gets a new accept-queue entry...

CVE-2026-46038

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: ns: Free the node during ctrlcmdbye A node sends the BYE packet when it is about to go down. So the nameserver should advertise the removal of the node to all remote and local observers and free the node finally. But...

CVE-2026-45873

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftsetrbtree: check for partial overlaps in anonymous sets Userspace provides an optimized representation in case intervals are adjacent, where the end element is omitted. The existing partial overlap detection logic...

CVE-2026-46005

In the Linux kernel, the following vulnerability has been resolved: xfs: fix a resource leak in xfsallocbuftarg In the error path, call fsputdax to drop the DAX device reference...

CVE-2026-46041

In the Linux kernel, the following vulnerability has been resolved: greybus: gb-beagleplay: fix sleep in atomic context in hdlctxframes hdlcappend calls usleeprange to wait for circular buffer space, but it is called with txproducerlock a spinlock held via hdlctxframes -...

CVE-2026-46076

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Raise UD if unhandled VMMCALL isn't intercepted by L1 Explicitly synthesize a UD for VMMCALL if L2 is active, L1 does NOT want to intercept VMMCALL, nestedsvml2tlbflushenabled is true, and the hypercall is something...

CVE-2026-46036

In the Linux kernel, the following vulnerability has been resolved: vfio/cdx: Serialize VFIODEVICESETIRQS with a per-device mutex vfiocdxsetmsitrigger reads vdev-configmsi and operates on the vdev-cdxirqs array based on its value, but provides no serialization against concurrent VFIODEVICESETIRQS...

CVE-2026-45851

In the Linux kernel, the following vulnerability has been resolved: efi: Fix reservation of unaccepted memory table The reserveunaccepted function incorrectly calculates the size of the memblock reservation for the unaccepted memory table. It aligns the size of the table, but fails to account for...

CVE-2026-45986

In the Linux kernel, the following vulnerability has been resolved: crypto: ccree - fix a memory leak in ccmacdigest Add ccunmapresult if ccmaphashrequestfinal fails to prevent potential memory leak...