UBUNTU-CVE-2026-98808

In the Linux kernel, the following vulnerability has been resolved: net: systemport: Fix buffer overflow in bcmsysportgetstats When running on SYSTEMPORT Lite, certain statistics are unsupported and skipped during bcmsysportgetstats. The variable 'j' tracks the compacted index into the destinatio...

UBUNTU-CVE-2026-98811

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: reclaim an empty proto on the error path Two racing tc filter add requests on the same chain/prio of an unlocked classifier both run change on the shared proto and both can fail: the winner's...

UBUNTU-CVE-2026-98809

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: don't drain cmdsync backlog on unregister hciunregisterdev disables cmdwork and cmdtimer, then calls hcicmdsyncclear, whose cancelworksync waits for hcicmdsyncwork to return. That worker dequeues and runs ever...

UBUNTU-CVE-2026-98784

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/gfx6: fix firmware leak on teardown The firmware requested in gfxv60initmicrocode is not released when the GFX block is torn down, leaking the firmware resources. Add gfxv60freemicrocode and call it from gfxv60swfini t...

UBUNTU-CVE-2026-98798

In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: fix NULL dereference in setcoalesce before first open The Rx ring priv and index are only set in bcmgenetinitrxring, which runs at open. Setting the Rx coalescing parameters on an interface that was never opened,...

UBUNTU-CVE-2026-98790

In the Linux kernel, the following vulnerability has been resolved: perf: Fix race between perfeventexittask and perfpendingtask A race condition exists between perfeventexittask and perfpendingtask during beginnewexec. During beginnewexec, perfeventexittask may be called, and the PFEXITING flag ...

UBUNTU-CVE-2026-98758

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: glink: fix use-after-free of ucsi on remove The pmicglink client is released by the devres cleanup, which runs after pmicglinkucsiremove has returned, so its notification callbacks can queue work until then. Wor...

UBUNTU-CVE-2026-98763

In the Linux kernel, the following vulnerability has been resolved: usb: core: clear both epin and epout for non-ep0 control endpoints In usbenableendpoint, non-zero control endpoints where usbendpointxfercontrol&ep-desc is true populate both dev-epinepnum and dev-epoutepnum with the same struct...

UBUNTU-CVE-2026-98780

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix IP instance memory leak on kobject add failure amdgpudiscoverysysfsips allocates iphwinstance with kzallocflex and initializes its embedded kobject before calling kobjectadd. If kobjectadd fails, the return value ...

UBUNTU-CVE-2026-98856

In the Linux kernel, the following vulnerability has been resolved: kprobes: Skip disarmed probes when checking optkprobe overlap On x86, an optkprobe at A replaces five bytes with a jump. If a disabled probe B is at A+2, getoptimizedkprobe stops at B when arming a new probe C at A+4. It leaves A...

UBUNTU-CVE-2026-98454

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix create context out-of-bounds reads smb2parsecontexts validates the complete create-context area but does not limit each record to its Next field before dispatching it. A malformed chain can therefore expose bytes...

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-2026-98615

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-2026-98614

In the Linux kernel, the following vulnerability has been resolved: sctp: avoid livelock while updating retransmit path sctpassocupdateretranpath can loop forever when every remaining transport, including retranpath, is SCTPUNCONFIRMED: the state check runs before the wraparound test, so the loop...

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-2026-98666

In the Linux kernel, the following vulnerability has been resolved: iio: gyro: adis16136: fix unprotected debugfs reads The serialnumber file operations are open coded and never call debugfsfileget, which debugfscreatefileunsafe requires. debugfsremoverecursive therefore does not wait for a read ...

UBUNTU-CVE-2026-98687

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Reject oversized XDomain properties responses tbxdppropertiesrequest allocates room for 45 data dwords in its 252-byte response buffer. The XDomain length field is six bits wide, however, and a malicious peer can set...

UBUNTU-CVE-2026-98707

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: shut down RX BA session timer on teardown Tearing down an RX BA session can leave the session timer queued on a freed tidrx. Later timer-wheel processing and the timer callback itself then run against freed memory...

UBUNTU-CVE-2026-98626

In the Linux kernel, the following vulnerability has been resolved: bpf: Restrict CO-RE poisoning to relocatable instructions CO-RE relocation records can name any instruction offset. When a relocation cannot be resolved, bpfcorepatchinsn currently poisons its target before checking whether that...

UBUNTU-CVE-2026-98644

In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid soft lockup in htabmaplookupanddeletebatch htabmaplookupanddeletebatch has no rescheduling point. The batch count bounds how many entries are copied out, not how many buckets are visited, so one BPFMAPLOOKUPBATCH call...