UBUNTU-CVE-2026-64428

In the Linux kernel, the following vulnerability has been resolved: gpio: sch: use rawspinlockt in the irq startup path schirqunmask enables the GPIO IRQ and then updates the controller state through schirqmaskunmask, which takes sch-lock with spinlockirqsave. The callback can be reached from...

UBUNTU-CVE-2026-64384

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix change notify replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2notifyinit fails before the next send, cleanup retains the previous buffer type and...

UBUNTU-CVE-2026-64364

In the Linux kernel, the following vulnerability has been resolved: HID: multitouch: fix out-of-bounds bit access on mtioflags mtioflags is a single unsigned long, but mtprocessslot, mtreleasependingpalms and mtreleasecontacts use it as a per-slot bitmap indexed by the slot number. That slot numb...

UBUNTU-CVE-2026-64316

In the Linux kernel, the following vulnerability has been resolved: crypto: caam - use printhexdumpdevel to guard key hex dumps Use printhexdumpdevel for dumping sensitive key material in setkey and gensplitkey to avoid leaking secrets at runtime when CONFIGDYNAMICDEBUG is enabled...

UBUNTU-CVE-2026-64387

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix query directory replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2querydirectoryinit fails before the next send, cleanup retains the previous buffer...

UBUNTU-CVE-2026-64268

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: bound Read Response placement to the RREAD length In drivers/infiniband/sw/siw/siwqprx.c, siwprocrresp places each inbound Read Response DDP segment at sge-laddr + wqe-processed and then accumulates wqe-processed, but i...

UBUNTU-CVE-2026-64386

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix queryinfo replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2queryinfoinit fails before the next send, cleanup retains the previous buffer type and...

UBUNTU-CVE-2026-64266

In the Linux kernel, the following vulnerability has been resolved: fuse: re-lock request before returning from fusereffolio fusereffolio unlocks the request but does not re-lock it before returning. fusechanabort can end the request and the async end callback eg fusewritepagefree can free the ar...

UBUNTU-CVE-2026-64346

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: udc: Fix use-after-free in gadgetmatchdriver The udc structure acts as the management structure for the gadget, but their lifecycles are decoupled. A race condition exists where usbdelgadget frees the udc memory e.g....

UBUNTU-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...

UBUNTU-CVE-2026-64379

In the Linux kernel, the following vulnerability has been resolved: smb: client: mask server-provided mode to 07777 in modefromsid When modefromsid is active, parsedacl applies the server-provided subauth2 value from the NFS mode SID to cfmode without masking to 07777. Apply the correct masking,...

UBUNTU-CVE-2026-64408

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: bnep: pin L2CAP connection during netdev registration bnepaddconnection reads the L2CAP connection without holding the channel lock, then passes its HCI device to registernetdev. Controller teardown can clear and relea...

UBUNTU-CVE-2026-64374

In the Linux kernel, the following vulnerability has been resolved: sched/rt: Have RTPUSHIPI be default off for non PREEMPTRT RT migration is done aggressively. When a CPU schedules out a high priority RT task for a lower priority task, it will look to see if there's any RT tasks that are waiting...

UBUNTU-CVE-2026-64409

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: fix infinite loop in btmtksdiotxrxwork Every once in a while we see a hung btmtksdioflush task: INFO: task kworker/u17:0:189 blocked for more than 122 seconds. cancelworktimer+0x3f4/0x460...

UBUNTU-CVE-2026-64368

In the Linux kernel, the following vulnerability has been resolved: mm/slab: do not limit zeroing to origsize when only red zoning is enabled When init zeroing on allocation is requested, for kmalloc we generally have to zero the full object size even if a smaller size is requested, in order to...

UBUNTU-CVE-2026-64324

In the Linux kernel, the following vulnerability has been resolved: udf: validate free block extents against the partition length udffreeblocks checks the logical block number and count against the partition length, but drops the extent offset from that final bound. A crafted extent can pass the...

UBUNTU-CVE-2026-64382

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2open replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2openinit fails before the next send, cleanup retains the previous buffer type and frees...

UBUNTU-CVE-2026-64416

In the Linux kernel, the following vulnerability has been resolved: mm: swapcgroup: fix NULL deref in lookupswapcgroupid on swapless host lookupswapcgroupid passes swapcgroupctrltype.map to swapcgroupidlookup without checking that the type was ever registered via swapcgroupswapon. On a swapless...

UBUNTU-CVE-2026-64323

In the Linux kernel, the following vulnerability has been resolved: udf: validate VAT header length against the VAT inode size udfloadvat takes the virtual partition's start offset straight from the on-disk VAT 2.0 header without checking it against the VAT inode size:...

UBUNTU-CVE-2026-64505

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: function: rndis: add length check for header Add a length check for the rndis header in rndisrmhdr, to ensure that MessageType, MessageLength, DataOffset, and DataLength fields are present before they are accessed...