CVE-2026-98287

In the Linux kernel, the following vulnerability has been resolved: pppoatm: ensure a writable skb header and linear data In pppoatmsend, LLC encapsulation checks whether there is sufficient headroom for the 4-byte LLC header, but does not ensure that the skb header is writable. Normal transmit...

UBUNTU-CVE-2026-98204

In the Linux kernel, the following vulnerability has been resolved: Input: rmismbus - fix out-of-bounds read in rmismbwriteblock When chunking writes into SMBus blocks in rmismbwriteblock, the loop calculates blocklen using the original total length len instead of the remaining length curlen. If...

UBUNTU-CVE-2026-98188

In the Linux kernel, the following vulnerability has been resolved: wifi: p54: validate curve data length in the calibration curve converters p54convertrev0 and p54convertrev1 read calibration curve data from the device-supplied EEPROM entry using channel and points-per-channel counts taken...

CVE-2026-98258

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Prevent freeing a timer which is queued on the expiry list Kijo analyzed another race in the POSIX CPU timer code: Commit bf635681c906 converted cputimer::firing from a tristate value to a boolean. This lost the...

CVE-2026-98234

In the Linux kernel, the following vulnerability has been resolved: net/sched: hhf: cap hhflowslimit at change time hhfchange stores TCAHHFHHFLOWSLIMIT with no upper bound. A huge hhflowslimit lets each new heavy-hitter flow pass the hhflowscurrentcnt check in allocnewhh and forces a fixed-size...

CVE-2026-98370

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix compat ALLOCSPI request use-after-free xfrmstatenetlink builds the ALLOCSPI response with dumponestate, which already calls alloccompat with the response skb and header. xfrmallocuserspi then calls alloccompat again, bu...

UBUNTU-CVE-2026-98265

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Clamp implicit feedback packet count to URB capacity dataepsetparams allocates each data URB for exactly u-packets isochronous frames, so urb-isoframedesc has u-packets slots and ctx-packets is the driver's only...

UBUNTU-CVE-2026-98364

In the Linux kernel, the following vulnerability has been resolved: xfrm: hold netdevice reference under RCU in bundle creation xfrmbundlecreate and xfrmcreatedummybundle read dst-dev into a local pointer without taking a device reference, then pass it to xfrmfilldst. A concurrent RTMDELLINK...

CVE-2026-98323

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Bound fragmented header copies by the remaining length siwgethdr can receive an extended DDP/RDMAP header across more than one TCP callback. The first callback may receive most of the header, while the next one still...

UBUNTU-CVE-2026-98301

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: move switchdev call outside rcu This is a follow-up of one of sashiko's pre-existing bug reports. brmstsetstate calls switchdevportattrset for nonzero MSTIs while holding rcureadlock which invokes the blocking...

UBUNTU-CVE-2026-98323

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Bound fragmented header copies by the remaining length siwgethdr can receive an extended DDP/RDMAP header across more than one TCP callback. The first callback may receive most of the header, while the next one still...

CVE-2026-98270

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: check ras and obj before dereference nbiov79handlerascontrollerintrnobifring dereferences ras and obj without checking either for NULL. Both amdgpurasgetcontext and amdgpurasfindobj can return NULL, e.g. during the...

CVE-2026-98238

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: validate the netif index in t7xxccmnirecvskb The netif index carried in the DPMAIF PIT header is five bits wide, but ccmniinst only has room for NICDEVMAX 21 entries. t7xxccmnirecvskb indexes the array without a...

CVE-2026-98369

In the Linux kernel, the following vulnerability has been resolved: xfrm: add missing rcureadlock, skbdstforce and devhold for xfrmtransreinject syzbot reported a suspicious RCU usage warning in ip6pktdrop: WARNING: suspicious RCU usage in ip6pktdrop include/net/addrconf.h:389 suspicious...

CVE-2026-98206

In the Linux kernel, the following vulnerability has been resolved: Input: cyttsp5 - clamp the HID report size before memcpy The size field comes from the device and is used as the memcpy length into responsebuf, which is CYMAXINPUT bytes...

UBUNTU-CVE-2026-98267

In the Linux kernel, the following vulnerability has been resolved: 9p: Fix v9fsissuewrite to update isize and remoteisize Fix v9fsissuewrite to update isize and remoteisize to the new size of the server file if we made it larger, using the start fpos and the count returned by p9clientwrite to...

UBUNTU-CVE-2026-98369

In the Linux kernel, the following vulnerability has been resolved: xfrm: add missing rcureadlock, skbdstforce and devhold for xfrmtransreinject syzbot reported a suspicious RCU usage warning in ip6pktdrop: WARNING: suspicious RCU usage in ip6pktdrop include/net/addrconf.h:389 suspicious...

CVE-2026-98320

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: hold reference on ct until flow is released nfctput releases the ct-ext area inmediately, the rcu typesafe semantics also allow to refer to the wrong conntrack from the flowtable datapath. Hold reference on ...

CVE-2026-98293

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix parent socket leak in isoconnready isogetsock returns the parent socket with a reference held, which is dropped by sockput once the child socket has been set up. The error path taken when isosockalloc fails on...

CVE-2026-98305

In the Linux kernel, the following vulnerability has been resolved: net: dsa: mxl862xx: disable the stats poll on teardown mxl862xxsetup arms the stats poll before mxl862xxsetupmdio, and nothing stops it until dsaregisterswitch has returned an error to mxl862xxprobe. DSA frees the dsaport list...