CVE-2026-64487

In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: fix out-of-bounds read in the Traktor Kontrol S4 input parser sndusbcaiaqtks4dispatch decodes the Traktor Kontrol S4 input stream in fixed 16-byte TKS4MSGBLOCKSIZE message blocks. On every iteration it advances buf a...

CVE-2026-64383

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2flush replay SMB2flush keeps its response buffer bookkeeping across replay attempts. If a replayable flush response is received and the retry then fails before cifssendrecv stores a replacement...

CVE-2026-64458

In the Linux kernel, the following vulnerability has been resolved: mm/damon/ops-common: handle extreme intervals in damonhotscore Fix three issues in damonhotscore that comes from wrong handling of extreme zero or too high monitoring intervals user setup. When the user sets sampling interval zer...

CVE-2026-64361

In the Linux kernel, the following vulnerability has been resolved: hfs/hfsplus: fix u32 overflow in checkandcorrectrequestedlength checkandcorrectrequestedlength compares off + len against nodesize using u32 arithmetic. When the caller passes a large len value e.g. from an underflowed subtractio...

CVE-2026-64390

In the Linux kernel, the following vulnerability has been resolved: ksmbd: track the connection owning a byte-range lock SMB2LOCK adds each granted byte-range lock to both the file lock list and the lock list of the connection which handled the request. The final close and durable handle paths,...

CVE-2026-64507

In the Linux kernel, the following vulnerability has been resolved: x86/bugs: Enable IBPB flush on BPF JIT allocation Enable hardening against JIT spraying when Spectre-v2 mitigations are in use. Specifically, issue an IBPB flush on BPF JIT memory reuse. Skip enabling the IBPB flush if the BPF...

CVE-2026-64338

In the Linux kernel, the following vulnerability has been resolved: USB: misc: uss720: unregister parport on probe failure uss720probe registers a parport before reading the 1284 register used to detect unsupported Belkin F5U002 adapters. If get1284register fails, the error path drops the driver...

CVE-2026-64371

In the Linux kernel, the following vulnerability has been resolved: proc: protect ptracemayaccess with execupdatelock part 1 Fix the easy cases where procfs currently calls ptracemayaccess without execupdatelock protection, where the fix is to simply add the extra lock or use mmaccess: -...

CVE-2026-64389

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate NTLMv2 response before updating session key ksmbdauthntlmv2 derives the NTLMv2 session key into sess-sesskey before it verifies the NTLMv2 response. ksmbddecodentlmsspauthblob then continues into KEYXCH even when...

CVE-2026-64502

In the Linux kernel, the following vulnerability has been resolved: iio: adc: adsigmadelta: fix clearpendingevent for registerless devices adsigmadeltaclearpendingevent falls through to the status register read path for devices with hasregisters = false and no rdygpiod. For such devices,...

CVE-2026-64286

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Clear hyprunningvcpu when flushing the pKVM hyp vCPU flushhypvcpu copies the host vCPU context into the hyp's private vCPU on every run. ctxttovcpu expects a guest context to have a NULL hyprunningvcpu, which is only...

CVE-2026-64443

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix OOB read in updatebeaconinfo IE loop The IE parsing loop in updatebeaconinfo advances by pIE-length + 2 each iteration but only guards on i length from one byte past the allocated receive buffer...

CVE-2026-64472

In the Linux kernel, the following vulnerability has been resolved: vfio/mlx5: Fix racy bitfields and tighten struct layout Bitfield operations are not atomic, they use a read-modify-write pattern, therefore we should be careful not to pack bitfields that can be concurrently updated into the same...

CVE-2026-64333

In the Linux kernel, the following vulnerability has been resolved: USB: serial: digiacceleport: fix write buffer corruption The digiwriteinbcommand is supposed to wait for the write urb to become available or return an error, but instead it updates the transfer buffer and tries to resubmit the u...

CVE-2026-64378

In the Linux kernel, the following vulnerability has been resolved: writeback: fix race between cgroupwritebackumount and inodeswitchwbs When a container exits, the following BUGON is occasionally triggered: ================================================================== VFS: Busy inodes after...

CVE-2026-64512

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Suppress UBSAN warning caused by field misuse The definition of reg-accesswidth changes depending on the reg-spaceid type. Type ACPIADRSPACEPLATFORMCOMM uses accesswidth to indicate the PCC region, which can result in...

CVE-2026-64429

In the Linux kernel, the following vulnerability has been resolved: gpio: eic-sprd: use rawspinlockt in the irq startup path sprdeicirqunmask enables the GPIO IRQ and then updates controller state through sprdeicupdate, which takes sprdeic-lock with spinlockirqsave. The callback can be reached fr...

CVE-2026-64468

In the Linux kernel, the following vulnerability has been resolved: binder: fix UAF in binderfreetransaction In binderfreetransaction, the t-toproc is read under the t-lock. However, once the t-lock is dropped, the toproc can die in parallel. This leads to a use-after-free error when we attempt t...

CVE-2026-64393

In the Linux kernel, the following vulnerability has been resolved: ksmbd: run set info with opener credentials SMB2 SETINFO handlers call path-based VFS helpers after checking the access mask granted to the SMB handle. Those helpers perform their owner, inode permission and LSM checks using the...

CVE-2026-64478

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: avoid kobject path lookup in DualSense match The DualSense jack-detection input handler verifies that a matching input device belongs to the same physical controller by building kobject path strings for both the...

CVE-2026-64500

In the Linux kernel, the following vulnerability has been resolved: iio: adc: lpc32xx: Initialize completion before requesting IRQ In the report from Jaeyoung Chung: "lpc32xxadcprobe in drivers/iio/adc/lpc32xxadc.c registers its interrupt handler with devmrequestirq before it initializes...

CVE-2026-64396

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix UAF of struct filelock in SMB2LOCK deferred-lock cancellation When a blocking byte-range lock request is deferred in the FILELOCKDEFERRED path, ksmbd registers the asynchronous work into the connection's asyncrequests...

CVE-2026-64355

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject fragmented frames in devmap Devmap broadcast redirects clone the packet for all but the last destination. For native XDP, that clone path copies only the linear xdpframe data, while fragmented frames keep skbsharedinf...

CVE-2026-64293

In the Linux kernel, the following vulnerability has been resolved: iommufd: Use sizeofhdr instead of sizeofhdr in veventq read The bound-check in iommufdveventqfopsread for the normal vEVENT path uses sizeofhdr where the surrounding code uses sizeofhdr: if !veventforlosteventsheadercur &&...

CVE-2026-64278

In the Linux kernel, the following vulnerability has been resolved: i2c: imx-lpi2c: mark I2C adapter when hardware is powered down On some i.MX platforms, certain I2C client drivers keep a periodic workqueue which continues to trigger I2C transfers. During system suspend/resume, there exists a ti...

CVE-2026-64398

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add a permission check for FSCTLSETZERODATA FSCTLSETZERODATA in smb2ioctl destroys file data via ksmbdvfszerodata - vfsfallocatePUNCHHOLE/ZERORANGE after checking only the share-level KSMBDTREECONNFLAGWRITABLE, with no...

CVE-2026-64451

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix NULL pointer dereference in funcsetflag funcsetflag dereferences tr-currenttraceflags before verifying that the current tracer is actually the function tracer. When the active tracer has been switched away from...

CVE-2026-64461

In the Linux kernel, the following vulnerability has been resolved: PCI: mediatek: Fix IRQ domain leak when port fails to enable When mtkpcieenableport fails, mtkpcieportfree removes the port from pcie-ports and frees the port structure. However, the IRQ domains set up earlier by...

CVE-2026-64256

In the Linux kernel, the following vulnerability has been resolved: xfs: don't wrap around quota ids in dqiterate LOLLM noticed that qid is an unsigned 32-bit variable. If it happens to be set to XFSDQIDMAX due to a filesystem that actually has a dquot for IDMAX, then this addition will truncate ...

CVE-2026-64484

In the Linux kernel, the following vulnerability has been resolved: ALSA: es1938: check sndctlnew1 return value sndctlnew1 can return NULL when memory allocation fails. sndes1938mixer does not check the return value before dereferencing the pointer, which can lead to a NULL pointer dereference. A...

CVE-2026-64363

In the Linux kernel, the following vulnerability has been resolved: HID: appleir: fix UAF on pending keyuptimer in remove appleirremove runs hidhwstop before timerdeletesync. hidhwstop synchronously unregisters the HID input device via hiddisconnect - hidinputdisconnect - inputunregisterdevice,...

CVE-2026-64377

In the Linux kernel, the following vulnerability has been resolved: cpufreq: qcom-cpufreq-hw: Fix possible double free qcomcpufreq.data is allocated with devmkzalloc in probe as an array of per-domain data. qcomcpufreqhwcpuinit stores a pointer to one element of this array in policy-driverdata...

CVE-2026-64503

In the Linux kernel, the following vulnerability has been resolved: iio: accel: kxsd9: fix runtime PM imbalance on writeraw error kxsd9writeraw takes a runtime PM reference with pmruntimegetsync but returns -EINVAL directly when a scale with a non-zero integer part is requested, skipping the...

CVE-2026-64306

In the Linux kernel, the following vulnerability has been resolved: crypto: drbg - Fix returning success on failure in CTRDRBG drbgctrgenerate sometimes returns success when it fails, leaving the output buffer uninitialized. Fix it...

CVE-2026-64508

In the Linux kernel, the following vulnerability has been resolved: bpf: Support for hardening against JIT spraying The BPF JIT allocator packs many small programs into larger executable allocations and reuses space within those allocations as programs are loaded and freed. When fresh code is...

CVE-2026-64471

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: fix use-after-free on registration failure Make sure to release the sibling interfaces in case controller registration fails to avoid use-after-free and double-free when they are eventually disconnected. This...

CVE-2026-64284

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ensure vendor's exit handler runs before fastpath userspace exits Move the handling of fastpath userspace exits into vendor code to ensure KVM runs vendor specific operations that need to run before userspace gains...

CVE-2026-64397

In the Linux kernel, the following vulnerability has been resolved: ksmbd: serialize QUERYDIRECTORY requests per file smb2querydir stores a pointer to its stack-allocated private data in the ksmbdfile readdirdata. Concurrent QUERYDIRECTORY requests using the same file handle can overwrite this...

CVE-2026-64380

In the Linux kernel, the following vulnerability has been resolved: smb: client: harden POSIX SID length parsing posixinfosidsize reads sid1 to obtain the subauthority count, but its existing boundary check still accepts buffers with only one remaining byte. Require two bytes before reading sid1 ...

CVE-2026-64496

In the Linux kernel, the following vulnerability has been resolved: iio: event: Fix event FIFO reset race iioeventgetfd creates the event file descriptor with anoninodegetfd, which allocates a new fd, creates the anonymous file and installs it in the process fd table before returning to the calle...

CVE-2026-64481

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda/cs35l41: Fix firmware load work teardown cs35l41hda creates ALSA controls whose private data points at the cs35l41hda object. The firmware load control can also queue fwloadwork. Those controls are not removed on...

CVE-2026-64298

In the Linux kernel, the following vulnerability has been resolved: NFSv4: include MAYWRITE in open permission mask for OTRUNC POSIX requires write permission to truncate a file, so an open that specifies OTRUNC must be authorized for write access regardless of the OACCMODE access mode...

CVE-2026-64336

In the Linux kernel, the following vulnerability has been resolved: USB: serial: keyspanpda: fix information leak The write callback is supposed to return the number of characters accepted or a negative errno. Since the addition of write fifo support the keyspanpda implementation will however...

CVE-2026-64283

In the Linux kernel, the following vulnerability has been resolved: KVM: guestmemfd: Treat memslot binding offset+size as unsigned values When binding a memslot to a guestmemfd file, treat the offset and size as unsigned values to fix a bug where the sum of the two can result in a false negative...

CVE-2026-64359

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject CLEANSEGMENTS ioctl with out-of-range segment numbers Syzbot reported a hung task in nilfstransactionbegin where multiple tasks performing chmod on a nilfs2 mount blocked for over 143 seconds waiting to acquire...

CVE-2026-64291

In the Linux kernel, the following vulnerability has been resolved: iommufd: Set veventqdepth upper bound iommufdveventqalloc accepts any !0 veventqdepth from userspace, with an upper bound at U32MAX. This leaves a vulnerability where userspace can allocate excessively large queues to exhaust...

CVE-2026-64453

In the Linux kernel, the following vulnerability has been resolved: usb: misc: usbio: fix disconnect UAF in client teardown usbiodisconnect walks usbio-clilist in reverse and uninitializes each auxiliary device. auxiliarydeviceuninit drops the device reference, and for an unbound child that can r...

CVE-2026-64431

In the Linux kernel, the following vulnerability has been resolved: ntfs: avoid calling postwritemstfixup for invalid indexblock ntfsicxibsyncwrite calls postwritemstfixup when ntfsibwrite returns an error, intending to restore the buffer after a failed write. However, ntfsibwrite returns an erro...

CVE-2026-64335

In the Linux kernel, the following vulnerability has been resolved: USB: serial: digiacceleport: fix broken rx after throttle If the port is closed while throttled, the read urb is never resubmitted and the port will not receive any further data until the device is reconnected or the driver is...

CVE-2026-64419

In the Linux kernel, the following vulnerability has been resolved: mm/shrinker: do not hold RCU lock in shrinkerdebugfscountshow Reading the debugfs "count" file of a memcg-aware shrinker can sleep inside an RCU read-side critical section: BUG: sleeping function called from invalid context at...