UBUNTU-CVE-2026-64350

In the Linux kernel, the following vulnerability has been resolved: usb: cdnsp: fix stream context array leak in cdnspallocstreaminfo cdnspallocstreaminfo allocates streaminfo-streamctxarray with cdnspallocstreamctx. If a later stream ring allocation or stream mapping update fails, the error path...

UBUNTU-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...

UBUNTU-CVE-2026-64343

In the Linux kernel, the following vulnerability has been resolved: USB: ldusb: fix use-after-free on disconnect race mutexunlock may access the mutex structure after releasing the lock and therefore cannot be used to manage lifetime of objects directly unlike spinlocks and refcounts. 12 Use a kr...

UBUNTU-CVE-2026-64272

In the Linux kernel, the following vulnerability has been resolved: Input: mms114 - fix touch indexing for MMS134S and MMS136 The MMS134S and MMS136 touch controllers have an event size of 6 bytes rather than 8 bytes. When mms114readreg reads the touch data packet from the device into the touch...

UBUNTU-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...

UBUNTU-CVE-2026-64498

In the Linux kernel, the following vulnerability has been resolved: iio: buffer: hw-consumer: free scanmask on buffer release The scanmask lifetime changed in commit 9a2e1233d38c "iio: buffer: hw-consumer: remove redundant scanmask flexible array". Before that change, the scan mask storage was...

UBUNTU-CVE-2026-64295

In the Linux kernel, the following vulnerability has been resolved: mm: pageext: add count limit to pageextiternext to prevent invalid PFN access The pageext iteration API does not validate if the PFN still belongs to a valid section while advancing the iterator. When dynamically adding memory in...

UBUNTU-CVE-2026-64349

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: fix dwc3readl and dwc3writel calls in dwc3ulpisetup The dwc3ulpisetup calls the register read and write calls with dwc3-regs when both these calls take the dwc3 structure directly. Chnage these two calls to fix the...

UBUNTU-CVE-2026-64474

In the Linux kernel, the following vulnerability has been resolved: vfio: prevent infinite loop in vfiomiggetnextstate on blocked arc vfiomiggetnextstate walks vfiofromfsmtable one step at a time, looping to skip optional states the device does not support until nextfsm is supported. A blocked...

UBUNTU-CVE-2026-64267

In the Linux kernel, the following vulnerability has been resolved: fuse: avoid 32-bit prune notification count wrap FUSENOTIFYPRUNE validates the nodeid payload length with: size - sizeofoutarg != outarg.count sizeofu64 On 32-bit kernels, sizet is also 32 bits, so the daemon-controlled count...

UBUNTU-CVE-2026-64420

In the Linux kernel, the following vulnerability has been resolved: mfd: crosec: Delay devsetdrvdata until probe success If ecdeviceprobe fails, crosecclassrelease releases memory for the crosecdev structure. However, because the drvdata was already set, sub-drivers like crosectypec can still...

UBUNTU-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...

UBUNTU-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...

UBUNTU-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...

UBUNTU-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...

UBUNTU-CVE-2026-64411

In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: terminate table name before findtablelock updatecounters and compatupdatecounters forward a user-supplied 32-byte table name to findtablelock without NUL-terminating it. On a lookup miss, findinlistlock calls...

UBUNTU-CVE-2026-64413

In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: zero chainstack array sashiko reports: looking at ebtables table translation, could a sparse cpupossiblemask lead to an uninitialized pointer free? If cpupossiblemask is sparse for example, CPU 0 and CPU 2 ar...

UBUNTU-CVE-2026-64308

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Do not initialize SNP for ioctlSNPVLEKLOAD Sashiko notes: if SEV initialization fails and KVM is actively running normal VMs, could a userspace process trigger this code path via /dev/sev ioctls e.g., SEVPDHGEN and...

UBUNTU-CVE-2026-64311

In the Linux kernel, the following vulnerability has been resolved: crypto: loongson - Remove broken and unused loongson-rng The loongson-rng rngalg has several vulnerabilities, including not providing forward security, and a use-after-free bug due to the use of waitforcompletioninterruptible...

UBUNTU-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 ...