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-2026-98234

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...

UBUNTU-CVE-2026-98247

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicodec: validate vendor codec count length The Read Local Supported Codecs parsers consume the variable-sized standard codec array before parsing the vendor codec count. Although the initial reply-size check includes...

UBUNTU-CVE-2026-98335

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: abort chanswitch when leaving a mesh The code in ieee80211stopmesh leaves CSA active, but leaving the mesh released the channel context, so the CSA finalize work crashes: Oops: general protection fault, probably f...

UBUNTU-CVE-2026-98298

In the Linux kernel, the following vulnerability has been resolved: dmaengine: mmppdma: fix wrong sg length in mmppdmaprepslavesg In mmppdmaprepslavesg, foreachsg iterates the scatterlist putting each entry into 'sg', but the entry length is read from 'sgl' the list head instead of 'sg' the curre...

UBUNTU-CVE-2026-98294

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: Do not write to the serial port after it is closed hciuartclose closes the serdev port if HCIQUIRKNONPERSISTENTSETUP is set for example, for the WCN399x family. A failed hcidevopensync following a successful...

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...

UBUNTU-CVE-2026-98355

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs: guard against null kobj name In the client, if initpath errors, the callee tries to clean up with rtrscltcloseconns. However, this can lead to calling the event tracing code with cltpath-kobj-name being NULL and thus...

UBUNTU-CVE-2026-98307

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: cleanup arsta in ath11kmacpeercleanupall When mac80211 removes a sta, it calls .stastate which in turn calls ath11kmacstationremove. In that function we clean up both peers & arsta related resources. But when the...

UBUNTU-CVE-2026-98319

In the Linux kernel, the following vulnerability has been resolved: drm: Fix drmpendingvblankevent leak in error path for outfenceptr When an outfenceptr is provided but DRMMODEPAGEFLIPEVENT is not set, a drmpendingvblankevent will be allocated. If later, there is an allocation failure or another...

UBUNTU-CVE-2026-98291

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintelpcie: fix off-by-one bounds check in RX submit btintelpciesubmitrx used frbdindex rxq-count to guard the FRBD array access, allowing frbdindex == rxq-count to pass through and index one element past the end of t...

UBUNTU-CVE-2026-98278

In the Linux kernel, the following vulnerability has been resolved: net: remove WARNONONCE from the devfillforwardpath loop check ipipfillforwardpath and ip6tnlfillforwardpath look up the route to the tunnel's remote endpoint and set ctx-dev to its device, which is the tunnel itself when that rou...

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-2026-98351

In the Linux kernel, the following vulnerability has been resolved: wifi: virtwifi: free skb when disconnected When the simulated link is disconnected, virtwifistartxmit returns NETXMITDROP without freeing the skb. devhardstartxmit treats this return value as consumed, so every packet sent while...

UBUNTU-CVE-2026-98372

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: fix stack OOB read in iptfsskbresetfragwalk iptfsskbresetfragwalk advances to the fragment containing @offset with an unbounded loop: while offset = walk-past + walk-fragswalk-fragi.len walk-past +=...

UBUNTU-CVE-2026-98348

In the Linux kernel, the following vulnerability has been resolved: wifi: libipw: reject too-short association responses libipwhandleassocresp reads the capability, status and aid fields of the 30-byte association response prefix and then computes the information element length as stats-len -...

UBUNTU-CVE-2026-98347

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Avoid restoring OPERUP after multicast flush ipoibibdevflushlight temporarily clears IPOIBFLAGOPERUP to prevent multicast joins while ipoibmcastdevflush is running, and restores the flag afterwards if it was previously...

UBUNTU-CVE-2026-98371

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: fix runt reassembly panic from short inner totlen When the start of an inner packet is split across two outer packets such that fewer than 4 bytes land at the end of the first one, inputprocesspayload saves those byt...

UBUNTU-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...

UBUNTU-CVE-2026-98208

In the Linux kernel, the following vulnerability has been resolved: mmc: sdiouart: fix xmitfifo leak when the port table is full sdiouartaddport allocates the transmit fifo before claiming a slot in sdiouarttable. When all UARTNR slots are taken, it returns -EBUSY with the fifo still allocated, b...