CVE-2026-98330

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: get the wiphy out of a dying network namespace When a network namespace is destroyed, cfg80211pernetexit moves any wiphy back to the initial namespace, and just warns if that fails. But moving an interface can fai...

CVE-2026-98255

In the Linux kernel, the following vulnerability has been resolved: tcp: exclude old ACKs from tcp fast path Exclude old ACKs before SND.UNA from the tcp fast path as well as ACKs after SND.NXT. Such ACKs will fall through to the slow path, where tcpack performs the appropriate validation and...

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-2026-98245

In the Linux kernel, the following vulnerability has been resolved: btrfs: take commit root semaphore when iterating in markblockgrouptocopy markblockgrouptocopy iterates over the commit root with skiplocking=true. A concurrent transaction commit can swap and free the commit root during iteration...

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...

CVE-2026-98297

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Fix queuing txwork after workqueue is drained hcisendacl, hcisendsco and hcisendiso queue hdev-txwork unconditionally. They can run from the L2CAP/SCO/ISO socket send path while hcidevclosesync is draining...

UBUNTU-CVE-2026-98357

In the Linux kernel, the following vulnerability has been resolved: IB/isert: wait for deferred control PDU completions before releasing the connection isertsenddone hands ISTATESENDTASKMGTRSP, ISTATESENDREJECT and ISTATESENDTEXTRSP completions off to isertcompwq and returns. The work item then...

UBUNTU-CVE-2026-98192

In the Linux kernel, the following vulnerability has been resolved: wifi: wcn36xx: Fix potential use-after-free in TX ack timer teardown wcn36xxdxedeinit tears down the TX ack timer with timerdelete, which only dequeues the timer and does not wait for a callback that is already executing; the...

UBUNTU-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 ...

UBUNTU-CVE-2026-98345

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: check IP header size in cfg80211classify8021d A frame that looks like IP can be transmitted, but be too short, so the DS field is read incorrectly: BUG: KMSAN: uninit-value in cfg80211classify8021d+0x99d/0x12b0...

UBUNTU-CVE-2026-98181

In the Linux kernel, the following vulnerability has been resolved: drm/gud: fix out-of-bounds write in gudplaneatomiccheck The plane property loop uses req-propertiesnumproperties + i as write index while simultaneously incrementing numproperties inside the loop. At iteration i, numproperties ha...

UBUNTU-CVE-2026-98213

In the Linux kernel, the following vulnerability has been resolved: mmc: core: Cancel SDIO IRQ work before freeing host A host controller that uses sdiosignalirq schedules host-sdioirqwork from its interrupt handler. That work is only cancelled on the suspend path mmcsdiosuspend, not on the...

UBUNTU-CVE-2026-98299

In the Linux kernel, the following vulnerability has been resolved: tcp: do not let tcprmem be set below 4096 We can hit a division by zero crash in tcprcvbufgrow and tcprcvspaceadjust: divide error: 0000 1 PREEMPT SMP RIP: 0010:tcprcvbufgrow+0x187/0x450 net/ipv4/tcpinput.c:939 ... grow =...

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-2026-98205

In the Linux kernel, the following vulnerability has been resolved: Input: evdev - zero absinfo before partial copy in EVIOCSABS The EVIOCSABS handler copies at most the user supplied ioctl size into an uninitialized on-stack struct inputabsinfo: if copyfromuser&abs, p, mintsizet, size,...

UBUNTU-CVE-2026-98286

In the Linux kernel, the following vulnerability has been resolved: dropmonitor: use timershutdownsync to prevent timer rearming during teardown In dropmonitor teardown paths netdmtraceoffset, netdmhwmonitorstop, and error unwind paths in netdmtraceonset and netdmhwmonitorstart, per-CPU timers ar...

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-2026-98303

In the Linux kernel, the following vulnerability has been resolved: ipv4: icmp: reject RTNUNREACHABLE input routes in icmproutelookup When the forward output route cannot be used in icmproutelookup, it enters the "reverse path" and calls iprouteinput on fl4dec.daddr, the original packet's source...

UBUNTU-CVE-2026-98297

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Fix queuing txwork after workqueue is drained hcisendacl, hcisendsco and hcisendiso queue hdev-txwork unconditionally. They can run from the L2CAP/SCO/ISO socket send path while hcidevclosesync is draining...

UBUNTU-CVE-2026-98295

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: coredump: Quiesce dump work on unregister hcidevcdhandlepktinit arms dumptimeout and coredump producers queue dumprx without holding an hdev reference. Unregister leaves both works live, so disconnecting during an acti...