CVE-2026-90277

In the Linux kernel, the following vulnerability has been resolved: md/md-llbitmap: prevent create failure bitmap UAF llbitmapcreate publishes mddev-bitmap before reading the bitmap superblock. This is needed because llbitmapreadsb can initialize a new bitmap and flush it through helpers that use...

CVE-2026-90275

In the Linux kernel, the following vulnerability has been resolved: md/raid1: don't set arrayfrozen in raid1takeover raid1takeover sets conf-arrayfrozen = 1 on the newly-allocated r1conf and nothing ever clears it, so every I/O to the array stalls permanently once waitbarrier sees it stuck at 1...

CVE-2026-90276

In the Linux kernel, the following vulnerability has been resolved: md/md-llbitmap: stop daemon timer rearm on destroy llbitmapdestroy deletes pendingtimer before flushing mdllbitmapiowq. However, daemonwork can still be queued or running after the timer has been deleted, and the daemon path can...

CVE-2026-90274

In the Linux kernel, the following vulnerability has been resolved: coresight: etm4x: fix underflow for usage of nrseqstate - 1 According to IHI006H Embedded Trace Macrocell Architecture Specification0, TRCSEQEVR is implemented only when TRCIDR5.NUMSEQSTATE is 0b100, in which case n ranges from 0...

CVE-2026-90273

In the Linux kernel, the following vulnerability has been resolved: coresight: etm4x: missing cscfgcsdevdisableactiveconfig in perf enable In the perf enable path, there are missing cases where cscfgcsdevdisableactiveconfig is not called: - Branch broadcast is selected but not supported by the...

CVE-2026-90271

In the Linux kernel, the following vulnerability has been resolved: armmpam: Fix a NULL pointer dereference on unbinding after an error interrupt If a user unbinds an MSC after mpamdisable has been run in response to an error interrupt then a dereference of a NULL pointer occurs as mpamdisable se...

CVE-2026-90272

In the Linux kernel, the following vulnerability has been resolved: perf: armpmuv3: Zero initialize hwid branch stack field PERFSAMPLEBRANCHHWINDEX is supported by BRBE so hwid is passed to userspace, but it's never set by the BRBE driver. Zero initialize it as it should be according to the docs:...

CVE-2026-90270

In the Linux kernel, the following vulnerability has been resolved: armmpam: Disable driver unbind to avoid UAF When a user unbinds an MSC and that MSC is the only MSC left for a component then the corresponding mpamcomponent will be freed. If the user then goes on to read the schemata file in th...

CVE-2026-90269

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject load-acquire from pointers requiring fault protection A BPFLOADACQ is not rewritten to a BPFPROBEMEM load by the verifier, unlike a regular BPFLDX, so the JIT emits a plain load with no exception table entry and a fau...

CVE-2026-90268

In the Linux kernel, the following vulnerability has been resolved: scsi: sd: Fix error handling in sdprobe after large pool creation failure After deviceadd&sdkp-diskdev succeeds, sdlargepoolcreate failure must unregister diskdev and let scsidiskrelease free sdkp. Going through outfreeindex kfre...

CVE-2026-90267

In the Linux kernel, the following vulnerability has been resolved: scsi: sd: Fix specialvec mempool leak when scsiallocsgtables fails sdsetspecialbvec allocates a special payload page for UNMAP and WRITE SAME commands. If scsiallocsgtables fails afterward in sdsetupunmapcmnd or...

CVE-2026-90265

In the Linux kernel, the following vulnerability has been resolved: btrfs: defrag: fix deadlock between defrag and delalloc space reservation While running fsstress with autodefrag and flushoncommit, hit a deadlock due to the fact that defrag reserves delalloc space while it's holding dirty and...

CVE-2026-90266

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: don't force read-only on transient -EAGAIN from reloc merge On a zoned FS, btrfsdelayedrefsrsvrefill returns -EAGAIN whenever the over-committed metadata plus the zoneunusable bytes exceeds the usable size in a...

CVE-2026-90264

In the Linux kernel, the following vulnerability has been resolved: btrfs: always wait for ordered extents to avoid OE races BUG Syzbot reported a bug that there can be conflicting OEs for the same range: BTRFS critical device loop4: panic in insertorderedextent:264: overlapping ordered extents,...

CVE-2026-90263

In the Linux kernel, the following vulnerability has been resolved: btrfs: check if root is readonly when setting posix acl For a filesystem which has btrfs read-only property set to true, all write operations including acl and xattr should be denied. However, acl can still be set even if btrfs r...

CVE-2026-90262

In the Linux kernel, the following vulnerability has been resolved: btrfs: retry verity reads for not-uptodate Merkle folios btrfsreadmerkletreepage can find a folio in the mapping that is not uptodate. After taking the folio lock, the current code treats that state as a read error and returns...

CVE-2026-90261

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: flush active metadata block group at btreewritepages start btreewritepages writes the btree inode's dirty metadata in ascending logical address order. On a zoned filesystem only one metadata and one system block gro...

CVE-2026-90260

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: don't clobber the extent buffer when zeroing it out On a zoned filesystem a freed-but-still-dirty tree block is written out as zeros EXTENTBUFFERZONEDZEROOUT only to keep the zone write pointer advancing...

CVE-2026-90259

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix a wrong length calculation in qgroupfreereserveddata In that function, we round down the start position and round up the ending position. But during the calculation of @len, we use "roundupstart + len,...

CVE-2026-90257

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtiobt: avoid OOB read of build info string The virtbtsetupzephyr sends the Zephyr vendor command 0xfc08 Read Build Information and hands the response to btdevinfo and hcisetfwinfo as a "%s" string starting at skb-da...

CVE-2026-90258

In the Linux kernel, the following vulnerability has been resolved: pinctrl: airoha: add missed IRQ resource helpers Without hooking .irqrequestresources, gpiolib cannot set GPIODFLAGUSEDASIRQ. This breaks pin direction locking and can allow userspace or another driver to reconfigure an active IR...

CVE-2026-90256

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: use protolock for l2capdata to fix l2capdisconnind hciconn::l2capdata is accessed without locks in l2capdisconnind via hciconntimeout discwork - hciprotodisconnind - l2capdisconnind. This is UAF if the l2capconn...

CVE-2026-90254

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: free the advertising instance on the failure and cancel paths advtimeoutexpire hands a kmalloced instance byte to hcicmdsyncqueue with a NULL destroy callback, and only advtimeoutexpiresync frees it. That leak...

CVE-2026-90255

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: fix the SCO setup context lifetime hcisetupsync queues a connhandlet with a NULL destroy callback, so the context is only freed if hcienhancedsetupsync actually runs. An entry that is cancelled instead is...

CVE-2026-90253

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: free the mesh send cancel command when it is cancelled meshsendcancel queues the pending command with a NULL destroy callback, so it is only freed if sendcancel runs. A cancelled entry is leaked, as...

CVE-2026-90251

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MSFT: validate evtprefixlen against the response length readsupportedfeatures only checks that the response covers the fixed part of struct msftrpreadsupportedfeatures, which is 11 bytes: if skb-len evtprefixlen is an...

CVE-2026-90252

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: free the HCI command when it is cancelled mgmthcicmdsync queues the pending command with a NULL destroy callback, so it is only freed if sendhcicmdsync runs. A cancelled entry is leaked, as hcicmdsynccancelentry...

CVE-2026-90250

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix storage null-ptr-deref after replacing prog Syzkaller reported a storage null-ptr-deref issue after replacing prog. This occurs in the following scenario: 1. prog A, an empty prog, is attached to a cgrp. 2. prog ...

CVE-2026-90249

In the Linux kernel, the following vulnerability has been resolved: iio: light: gp2ap002: Fix unbalanced runtime PM on repeated event writes The IIO core does not filter duplicate writes to the event enable attribute, so writing the same value twice invokes writeeventconfig twice. Enabling twice...

CVE-2026-90248

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: fix teardown of an adopted proto on insert-race loss In tcnewtfilter the create branch sets tpcreated = 1 before calling tcfchaintpinsertunique. When the caller loses the race another request inserted a proto a...

CVE-2026-90247

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix mmaplock leak in irqwork path stackmapgetbuildidoffset introduced a per-CPU irqwork to defer mmapreadunlock from NMI context, and bpffindvma later reused the same mmapunlockwork. Both callers only check whether the work ...

CVE-2026-90246

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix integer overflow in verifytags bounds check verifytags validates the tagset table unpacked from a policy blob. For each set it reads a count and checks that advancing the index by that count stays inside sets.table:...

CVE-2026-90244

In the Linux kernel, the following vulnerability has been resolved: iommu/dma: Restore locking around msipagelist Unlike a group's default domain, which is always freshly allocated and privately owned iommugroupallocdefaultdomain, VFIO type1's legacy container merges any newly attached group into...

CVE-2026-90245

In the Linux kernel, the following vulnerability has been resolved: fbdev: kyro: Validate overlay viewport coordinates The overlay viewport end coordinates are computed from the viewport origin and dimensions using 32-bit unsigned arithmetic. Large input values can cause these calculations to wra...

CVE-2026-90243

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down copied context entry copiedcontextteardown zeroes the 128-bit context entry with contextclearentry while the Present bit is still set, and only then issues the context-cache and...

CVE-2026-90242

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix iopfrefcount leak on RID domain replacement inteliommuattachdevice enables IOPF for the new domain but never disables it for the old one. deviceblocktranslation, called at the start of the function, tears down...

CVE-2026-90241

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Tear down scalable-mode context on probe failure intelpasidsetupsmcontext walks a PCI device’s DMA aliases via pciforeachdmaalias and programs a scalable-mode context entry for each RID. For a device with a...

CVE-2026-90240

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Flush context cache with correct SID when tearing down aliases domaincontextclearone and devicepasidtableteardown are both invoked once per DMA alias of a device. Each function locates the context entry using the...

CVE-2026-90238

In the Linux kernel, the following vulnerability has been resolved: media: amd: isp4: fix self-deadlock in isp4sdpwronandinit error path isp4sdpwronandinit holds opsmutex via guardmutex and, on any init failure, jumps to errdeinit and calls isp4sdpwroffanddeinit. That helper takes the same...

CVE-2026-90239

In the Linux kernel, the following vulnerability has been resolved: media: amd: isp4: release partial allocations in isp4ifallocfwgpumem isp4ifallocfwgpumem allocates several GPU memory pools in sequence. If one of them fails, it jumps to errornomemory and returns -ENOMEM without releasing the...

CVE-2026-90237

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: move custom expectation support to helper Originally, the ct expectation support called nfcthelperextadd for confirmed conntracks, which is invalid, triggering a splat. This was fixed by commit 1710eb913bdc...

CVE-2026-90235

In the Linux kernel, the following vulnerability has been resolved: sunrpc: xprtsock: annotate shared socket callbacks with READONCE/WRITEONCE xprtsock replaces and restores sk-skdataready and sk-skwritespace on live sockets with plain stores, and xsudpdosetbuffersize invokes sk-skwritespace via ...

CVE-2026-90236

In the Linux kernel, the following vulnerability has been resolved: NFSD: Release the export reference when reaping open stateids nfs4putstid releases the svcexport tracked in nfs4stid.scexport, but freeolstateidreaplist frees open and lock stateids by calling -scfree directly, bypassing that pat...

CVE-2026-90234

In the Linux kernel, the following vulnerability has been resolved: NFS: Return a delegation the client fails to record When an NFS server grants a delegation in an OPEN reply, nfsinodesetdelegation records it on the client. However, three of its error flows return without sending DELEGRETURN. A...

CVE-2026-90232

In the Linux kernel, the following vulnerability has been resolved: amt: Don't support cross-netns setup. When a lower device is unregistered, amtdeviceevent tries to unregister its upper AMT device, but it has two problems. 1. amtlookupupperdev looks up an upper device in the lower device's netn...

CVE-2026-90233

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: release descriptor pools on probe failure The per-NUMA-node descriptor DMA pools are created lazily from nvmeinithctxcommon once the admin tag set is allocated, but they are only destroyed in nvmeremove via...

CVE-2026-90231

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix unconfined user namespace restriction forced stack If a task is already confined by a stack the unprivileged transition restriction on unconfined is not correctly, applied. This results in an escape if two transitio...

CVE-2026-90230

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix heap out-of-bounds read in nvmetauthnegotiate nvmetexecuteauthsend allocates the DH-HMAC-CHAP message buffer with the host-supplied transfer length tl and hands it to nvmetauthnegotiate without passing tl along...

CVE-2026-90229

In the Linux kernel, the following vulnerability has been resolved: nvme-apple: Destroy the admin queue on removal The admin queue is allocated with blkmqallocqueue but never destroyed. nvmefreectrl only drops the last reference and blkmqexitqueue and blksyncqueue never run: the hctx is never mov...

CVE-2026-90228

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix NULL pointer dereference in nvmetexecuteidentifynszns When a host issues an Identify command with CNS 05h I/O Command Set specific Identify Namespace and CSI 02h ZNS targeting a file-backed namespace,...