UBUNTU-CVE-2026-64439

In the Linux kernel, the following vulnerability has been resolved: crypto: krb5 - filter out async aead implementations at alloc krb5aeadencrypt, krb5aeaddecrypt in rfc3961simplified.c and rfc8009encrypt, rfc8009decrypt in rfc8009aes2.c set a NULL completion callback and treat any negative retur...

UBUNTU-CVE-2026-64489

In the Linux kernel, the following vulnerability has been resolved: ALSA: ymfpci: check sndctlnew1 return value sndctlnew1 can return NULL when memory allocation fails. sndymfpcicreatespdifcontrols does not check the return value before dereferencing kctl-id.device, which can lead to a NULL point...

UBUNTU-CVE-2026-64405

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: Fix null ptr deref in hciabortconn hciabortconn read hciskbeventhdev-sentcmd when a connection was pending, but hdev-sentcmd can be NULL while reqstatus is still HCIREQPEND, leading to a NULL pointer dereferen...

UBUNTU-CVE-2026-64491

In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: us144mkii: fix work UAF on disconnect tascamdisconnect cancels capturework and midiinwork before usbkillanchoredurbs kills the capture/MIDI-in URBs. Those URBs self-resubmit, and their completion handlers reschedule...

UBUNTU-CVE-2026-64328

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Fix DMA fence leak In ffsdmabuftransfer, a ffsdmafence object is kmalloc'd, with the underlying dmafence later initialized by dmafenceinit, which sets its kref counter to 1. Then, dmaresvaddfence gets a second...

UBUNTU-CVE-2026-64305

In the Linux kernel, the following vulnerability has been resolved: crypto: qat - protect service table iterations with servicelock The servicetable list is protected by servicelock when entries are added or removed in adfserviceadd and adfserviceremove, but several functions iterate over the lis...

UBUNTU-CVE-2026-64358

In the Linux kernel, the following vulnerability has been resolved: media: mtk-jpeg: cancel workqueue on release for supported platforms only Since a recent fix the mtkjpegrelease function cancels any pending or running work present in the driver workqueue using cancelworksync function. Currently...

UBUNTU-CVE-2026-64310

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Do not initialize SNP for SEV ioctls 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 zero o...

UBUNTU-CVE-2026-64292

In the Linux kernel, the following vulnerability has been resolved: iommufd: Move vevent memory allocation outside spinlock The veventq memory allocation happens inside the spinlock. Given its depth is decided by the user space, this leaves a vulnerability, where userspace can allocate large queu...

UBUNTU-CVE-2026-64407

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btnxpuart: Fix out-of-bounds firmware read in nxprecvfwreqv3 During the v3 firmware download the controller sends a v3datareq with a 32 bit offset and a 16 bit len. nxprecvfwreqv3 checks only the lower bound of the...

UBUNTU-CVE-2026-64360

In the Linux kernel, the following vulnerability has been resolved: hfs/hfsplus: zero-initialize buffer in hfsbnoderead hfsbnoderead can return early without writing to the output buffer when isbnodeoffsetvalid fails or when checkandcorrectrequested length corrects the length to zero. Callers suc...

UBUNTU-CVE-2026-64262

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: end fusereq on io-uring cancel task work When iouring delivers task work with tw.cancel set PFEXITING, PFKTHREAD fallback, or percpurefisdying on the ring context, fuseuringsendintask takes the cancel branch, assigns...

UBUNTU-CVE-2026-64344

In the Linux kernel, the following vulnerability has been resolved: USB: idmouse: 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...

UBUNTU-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,...

UBUNTU-CVE-2026-64422

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: bound TCP reordering sysctl writes and MTU probe sizes Reject invalid net.ipv4.tcpreordering values before they reach TCP socket state. The sysctl is stored as an int but copied into the u32 tp-reordering field for new...

UBUNTU-CVE-2026-64477

In the Linux kernel, the following vulnerability has been resolved: x86,fs/resctrl: Prevent out-of-bounds access while offlining CPU when SNC enabled The architecture updates the cpumask in a domain's header to track which online CPUs are associated with the domain. When this mask becomes empty t...

UBUNTU-CVE-2026-64480

In the Linux kernel, the following vulnerability has been resolved: ALSA: ice1712: check sndctlnew1 return value sndctlnew1 can return NULL when memory allocation fails. The ice1712 driver calls sndctlnew1 without checking the return value before dereferencing the pointer in multiple places...

UBUNTU-CVE-2026-64264

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: fix EFAULT clobber in fuseuringcommit copyfromuser returns the number of bytes not copied as an unsigned residual on failure 1..sizeofstruct fuseoutheader. fuseuringcommit stores that residual in ssizet err, sets...

UBUNTU-CVE-2026-64426

In the Linux kernel, the following vulnerability has been resolved: iouring/nop: fix file reference leak with IOSQEFIXEDFILE NOP file-acquisition support choses between a fixed registered file and a normal fget'd file based on its own IORINGNOPFIXEDFILE flag in sqe-nopflags. However, a request's...

UBUNTU-CVE-2026-64263

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: fix moving cancelled entry to entinuserspace list fuseuringcancel moves entries that are available these have no reqs attached to the entinuserspace list. entlistrequestexpired checks the first entry on entinuserspace...