UBUNTU-CVE-2026-98515

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: fix double-free in nvifvmmdtor On failure, nouveaucliinit calls nouveauclifini to tear the client down. Then, nouveaudrmopen also enters into its cleanup path and calls nouveauclifini AGAIN. nouveauclifini calls...

UBUNTU-CVE-2026-98600

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Reject short EA=0 frames in rfcommrecvframe While rfcommrecvframe verifies that skb-len is at least sizeofhdr + 1 4 bytes: 3-byte header + 1-byte FCS, an RFCOMM frame with an extended 2-byte length field...

UBUNTU-CVE-2026-98608

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: fix object leak in virtiogpuresourcecreateioctl virtiogpuresourcecreateioctl calls drmgemobjectrelease on the drmgemhandlecreate error path instead of dropping the reference it owns, so obj-funcs-free never runs and t...

UBUNTU-CVE-2026-98612

In the Linux kernel, the following vulnerability has been resolved: net: usb: catc: bound the RX packet length in catcrxdone catcrxdone walks a multi-packet URB, reading a two-byte length from each packet header. Its bound, pktlen urb-actuallength, ignores the header offset and compares against t...

UBUNTU-CVE-2026-98615

In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: Set AWFLUSHMODE alongside AWFLUSH when flushing the mailbox When tearing down the FW mailbox Rx ring, fbnicmbxresetdescring writes AWCFG with FLUSH set and everything else, BME included, cleared. Clearing BME halts th...

UBUNTU-CVE-2026-98620

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtkethsoc: unregister netdevices in case of probe failure If registernetdev fails for one of the MTKMAXDEVS devices in mtkprobe, the error path jumps to errdeinitppe, skipping mtkunregdev. The previously registered...

UBUNTU-CVE-2026-98642

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF due to concurrent consumption of ttrace lists in allocbulk Syzkaller repeatedly triggered UAF splats related to nodes in waitingforgpttrace within the bpf memalloc: BUG: KASAN: slab-use-after-free in...

UBUNTU-CVE-2026-98661

In the Linux kernel, the following vulnerability has been resolved: iio: light: rohm-bu27034: Fix infinite delay on error When reading an integration-time fails, the code will use error code to compute the sleep time. Fix this by using the smallest integration time as a default if reading fails...

UBUNTU-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...

UBUNTU-CVE-2026-98860

In the Linux kernel, the following vulnerability has been resolved: HID: bpf: cast size to ssizet when checking hidbpfhwrequest As reported by Sashiko: If a transport driver encounters a hardware error and returns a negative error code such as -EPIPE, ret is implicitly promoted to sizet when...

UBUNTU-CVE-2026-98468

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix spurious warning for benign stage 2 teardown race kvmtool was used to establish an L1 guest with 8 CPUs and 8 GiB of RAM, an L2 guest with 4 CPUs and 4 GiB of RAM and an L3 guest with 2 CPUs and 2 GiB of RAM, all ...

UBUNTU-CVE-2026-98477

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix NULL pmuctx passed to pmu-schedtask perfpmuschedtask returns early when cpuctx-taskctx is set, and cpc-taskepc is only non-NULL while a task context is scheduled in on this CPU. perfpmuschedtask therefore always...

UBUNTU-CVE-2026-98498

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix reventry reference leak in mlx5tcctsharedcounterget When the reverse entry is found but its counter is already being released, refcountincnotzero fails and the reference taken by mlx5tcctentryget is never dropped...

UBUNTU-CVE-2026-98708

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: keep paired old chanctx alive An in-place replacement keeps reciprocal replacectx pointers between the old WILLBEREPLACED chanctx and the new REPLACESOTHER chanctx. However, the early free paths only consider...

UBUNTU-CVE-2026-98725

In the Linux kernel, the following vulnerability has been resolved: nvmet-auth: fix out-of-bounds write in nvmetauthchallenge nvmetauthchallenge receives its output buffer as a void pointer. sizeofd therefore evaluates to one with GCC and undercounts the fixed challenge header by 15 bytes. A shor...

UBUNTU-CVE-2026-98727

In the Linux kernel, the following vulnerability has been resolved: nvme-multipath: set BLKFEATZONED only after the zone info is known The namespace head is marked zoned at allocation time based only on the command set identifier. If the zone info query reports a zero zone size, the path namespac...

UBUNTU-CVE-2026-98731

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintelpcie: fix plen overflow in btintelpcierecvframe plen is u16 and computed as HDRSIZE + dlen. For ACL/ISO frames dlen is a 16-bit field, so a value = 0xFFFC wraps the sum, bypassing the "skb-len plen" check and...

UBUNTU-CVE-2026-98739

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix initial port reference race For RFCOMMRELEASEONHUP devices, rfcommttyinstall and rfcommreleasedev both use RFCOMMTTYOWNED to decide who drops the initial ttyport reference. The release path tests the bit...

UBUNTU-CVE-2026-98792

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: generalize pending status bit Rename NFFLOWHWPENDING to NFFLOWPENDING and use it to inhibit the flowtable GC worker until pending hw offload work has been completed. Apparently, nfflowoffloadstats can schedu...

UBUNTU-CVE-2026-98841

In the Linux kernel, the following vulnerability has been resolved: virt: vmgenid: set driverdata before registering notification handlers Both probe paths register their notification handler before assigning driverdata, which the handler dereferences. In the devicetree path, the notification IRQ...