UBUNTU-CVE-2026-98735

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Serialize ACL scheduling with channel deletion hcichansent selects a channel under RCU but drops the read lock before accessing chan-conn and returning the channel. The ACL and LE schedulers then use its packe...

UBUNTU-CVE-2026-98743

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: rt1017-sdca-sdw: fix uninitialized streamconfig-type streamconfig is not initialized before being passed to sdwstreamaddslave. The type field may contain garbage and is later copied to stream-type by sdwconfigstream...

UBUNTU-CVE-2026-98742

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Serialize compat port-info ioctls The native sequencer ioctl path serializes handler calls with client-ioctlmutex, but the translated port-info compat path invokes the same handlers through sndseqkernelclientctl withou...

UBUNTU-CVE-2026-98734

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Serialize SCO and ISO scheduling with teardown hcilowsent selects a connection under RCU but drops the read lock before calculating its quota and returning it to the scheduler. The connection is then used...

UBUNTU-CVE-2026-98733

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Serialize fragmented ISO packet queueing The fragmented path in hciqueueiso calls skbqueuetail without holding conn-dataq.lock. The socket lock serializes senders, but the transmit worker can concurrently remo...

UBUNTU-CVE-2026-98737

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix inquiry cache use-after-free The sync command worker holds hdev-reqlock, but inquiry-cache updates and flushes use hdev-lock. Both hciaclcreateconnsync and hcistopdiscoverysync look up entries and read the...

UBUNTU-CVE-2026-98595

In the Linux kernel, the following vulnerability has been resolved: udp: remove a disconnected socket from the 4-tuple hash table A UDP socket bound to a specific address and port keeps its entry in the 4-tuple hash table after it is disconnected: sk binds to 127.0.0.1:21001 sk connects to...

UBUNTU-CVE-2026-98599

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject non-negative offsets in stackslotobjgetspi bpfgetspi computes -off - 1 / BPFREGSIZE using C division, which truncates toward zero. For off == 0, this produces spi 0, the same index used by the valid stack slot at fp-8...

UBUNTU-CVE-2026-98598

In the Linux kernel, the following vulnerability has been resolved: ipv6: Prevent rt6insertexception for dying fib6info. Before the cited commit, fib6nhflushexceptions always set from-exceptionbucketflushed = 1 under rt6exceptionlock to prevent rt6insertexception from inserting a new exception fo...

UBUNTU-CVE-2026-98597

In the Linux kernel, the following vulnerability has been resolved: net: usb: sr9700: include receive overhead in the length check The receive fixup subtracts the Ethernet CRC from the reported packet length, but compares that payload length against the whole remaining receive buffer. The followi...

UBUNTU-CVE-2026-98596

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix dst leak for uncached routes. ip6routeoutputflags, ip6rtputflags, and ip6dstcheck detect an uncached route by listempty&rt-dst.rtuncached, which replaced the static DSTNOCACHE flag check in commit a4c2fd7f7891 "net:...

UBUNTU-CVE-2026-98609

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: fix object leak when drmgemhandlecreate fails virtiogpugemcreate owns the reference taken by virtiogpuobjectcreate. On the drmgemhandlecreate error path it calls drmgemobjectrelease instead of dropping that reference...

UBUNTU-CVE-2026-98536

In the Linux kernel, the following vulnerability has been resolved: writeback: report a Tasks-RCU quiescent state per cgwb drain pass cleanupofflinecgwbsworkfn drains a dying cgwb by calling cleanupofflinecgwb until it returns false, with a condresched between passes. On a CONFIGPREEMPTION kernel...

UBUNTU-CVE-2026-98783

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: Add missing ISERR check for ovladaptor platform device platformdeviceregisterdata can fail and return an ERRPTR, but the return value is used without checking, leading to an invalid pointer being stored in ddpcomp.d...

CVE-2026-98499

In the Linux kernel, the following vulnerability has been resolved: HID: wacom: fix OOB read in wacomwacpenserialenforce The 'wacomwacpenserialenforce' function may calculate and pass an invalid offset to hidfieldextract, resulting in memory reads at incorrect addresses -- possibly beyond the end...

CVE-2026-98491

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: conntrack: avoid modifying shared unconfirmed ct entry In a case where skb with an unconfirmed ct entry gets cloned, we may end up committing both but with different sets of extensions. The series of events: 1...

CVE-2026-98497

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: fix swapped IPv6 IPsec policy masks IPv6 XFRM policies may use different source and destination prefix lengths. mlx5eipsecpolicymask builds the corresponding masks independently, but setupfteaddr6 installs each mask in...

CVE-2026-98756

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: Fix NULL pointer dereference in cdns3pciprobe The Cadence USBSS controller is a two-function PCI device. The first probed function allocates the driver data and stores it with pcisetdrvdata, while the second function...

CVE-2026-98831

In the Linux kernel, the following vulnerability has been resolved: of/overlay: don't leak fragment references when changeset init fails initoverlaychangeset stores the number of initialized fragments in ovcs-count only on full success. When findtarget or the symbols lookup fails partway through,...

CVE-2026-98695

In the Linux kernel, the following vulnerability has been resolved: USB: serial: fix ioctl hangup race The tty ioctls can race with hangup and end up calling into a tty driver for a device that is already gone or powered down. Serialise the callbacks using the tty port mutex and add the missing...