UBUNTU-CVE-2026-98300

In the Linux kernel, the following vulnerability has been resolved: tcp: Don't call skbcloneandcharger for closed listener in tcpv6dorcv. tcpv6dorcv no longer calls skbcloneandcharger for TCPLISTEN since commit 073d89808c06 "net: fix data-races around sk-skforwardalloc". However, there is still a...

UBUNTU-CVE-2026-98336

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't offload TC setup on APVLAN interfaces APVLAN interfaces are purely virtual, so don't try to offload TC setup to drivers. We can't really use the AP interface either since we may not know it all the time, and...

UBUNTU-CVE-2026-98221

In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix tpm2loadcmd boundary check tpm2loadcmd does boundary checks against the ASN.1 size i.e., payload-bloblen. Address this by passing the decoded blob size to tpm2loadcmd, and use it for the boundary checks...

UBUNTU-CVE-2026-98239

In the Linux kernel, the following vulnerability has been resolved: net: lan743x: fix RX checksum use-after-free lan743xrxprocessbuffer adds each non-first receive buffer to the head skb's fraglist. On the last descriptor, lan743xrxtrimskb linearizes the head and frees the fragment skb metadata...

UBUNTU-CVE-2026-98244

In the Linux kernel, the following vulnerability has been resolved: btrfs: clear free space tree creation state on rebuild failure btrfsrebuildfreespacetree sets BTRFSFSCREATINGFREESPACETREE before rebuilding the free space tree. Several error paths return without clearing this flag. The...

UBUNTU-CVE-2026-98271

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: do not leave stale header offsets after pskbcarve pskbcarveinsideheader and pskbcarveinsidenonlinear remove the first bytes of a packet and reallocate skb-head. All the headers that were present before the operation...

UBUNTU-CVE-2026-98316

In the Linux kernel, the following vulnerability has been resolved: ALSA: bcd2000: Fix race between rawmidi and disconnect Although we tried to fix the potential UAF issues at USB disconnect on bcd2000 driver, there is still an overlooked case -- namely, when a rawmidi trigger callback has been...

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-2026-98191

In the Linux kernel, the following vulnerability has been resolved: wifi: wlcore: release runtime PM ref on regdomain config failure wlcoreregdomainconfig gets a runtime PM reference before sending the regulatory-domain command. When wlcorecmdregdomainconfiglocked fails, the function queues...

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-2026-98363

In the Linux kernel, the following vulnerability has been resolved: firmware: armscpi: reject DVFS OPP count above MAXDVFSOPPS scpidvfsgetinfo already rejected a zero oppcount, but still trusted any larger value from the SCP firmware. The shared-memory reply only holds MAXDVFSOPPS entries in...

UBUNTU-CVE-2026-98306

In the Linux kernel, the following vulnerability has been resolved: seg6: set IPSKBL3SLAVE from IP6SKBL3SLAVE on IPIP decapsulation When an SRv6 packet arrives on an interface enslaved to a VRF, vrfip6rcv sets IP6SKBL3SLAVE in IP6CB, but decapandvalidate has never set IPSKBL3SLAVE in IPCB. The bi...

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-2026-98319

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-2026-98192

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-2026-98273

In the Linux kernel, the following vulnerability has been resolved: x86/kprobes: Fix crash when probing CS CALL instructions When using eBPF to probe CS CALL instructions within a function, a crash can be triggered. The eBPF tool probes offset 257 of the hrtimerrunqueues function: : nopl...

UBUNTU-CVE-2026-98193

In the Linux kernel, the following vulnerability has been resolved: wifi: libipw: reject TKIP frames without a full MIC libipwmichaelmicverify assumes that an skb contains an eight-byte Michael MIC. A short TKIP frame makes the unsigned payload length wrap, causing michaelmic to read past the skb...

UBUNTU-CVE-2026-98343

In the Linux kernel, the following vulnerability has been resolved: dmaengine: fix use-after-free in dmachanput and dmareleasechannel When dmadeviceput drops the last reference on chan-device-ref, dmadevicerelease runs and may free the dmadevice along with its channels. dmachanput then still read...

UBUNTU-CVE-2026-98246

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Serialize local codec list cleanup hcidevclosesync clears hdev-localcodecs after releasing hdev-lock. Codec list additions and both traversals in scosockgetsockopt use that lock, but the close path does not. A...

UBUNTU-CVE-2026-98272

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: prevent buffer overflow in pagepool allocation The per‑processor buffering scheme is supported only if the number of pools nrxqs 2 does not exceed MVPP2BMMAXPOOLS 8. This is already checked in mvpp2probe during the...

UBUNTU-CVE-2026-98325

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: set up the TX info early to fix failure paths The previous commit 2c51457d930f "wifi: mac80211: free ack status frame on TX header build failure" cleaned up the leak, but still left the code a bit messy and the...

UBUNTU-CVE-2026-98263

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: rt712-sdca-dmic: fix uninitialized streamconfig-type streamconfig is not initialized before being passed to sdwstreamaddslave. The type field may contain garbage and is later copied to stream-type by sdwconfigstream...

UBUNTU-CVE-2026-98309

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Use managed KMS polling to fix UAF on unbind vc4kmsload calls drmkmshelperpollinit but the driver provides no matching drmkmshelperpollfini. The output poll work stays scheduled after unbind and runs on the freed...

UBUNTU-CVE-2026-98282

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Fix the overflow validation in iommutcecheckioba The commit b1af23d836f8 "KVM: PPC: iommu: Unify TCE checking" unified IOBA parameter checking across KVM and VFIO into iommutcecheckioba. While doing so, the passed ...

UBUNTU-CVE-2026-98240

In the Linux kernel, the following vulnerability has been resolved: net: iptunnel: initialize optionslen before referencing options The following command triggers a kernel panic: ip link add d0 type dummy; ip link set d0 up ip route add 10.30.0.0/16 \ encap ip id 300 geneveopts 4660:66:11223344 d...

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-2026-98278

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-2026-98219

In the Linux kernel, the following vulnerability has been resolved: schedext: Close the pre-enable ops error claim window scxallocandaddsched publishes ops-priv before scxrootenableworkfn switches the state to SCXENABLING. An error claimed via scxbpferrorbstr from an associated BPF program in tha...

UBUNTU-CVE-2026-98183

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: avoid out-of-bounds read for empty PREQ elements ieee80211meshpreqsizeok derives the location of the PREQ bottom fields before checking whether the element contains even the fixed header...

UBUNTU-CVE-2026-98280

In the Linux kernel, the following vulnerability has been resolved: drm/xe/i2c: Disable IRQ on unbind Currently, struct xei2c is freed before SGUnit IRQ is disabled in unbind path, leaving a potential UAF in case I2C IRQ is hit during this small window. Explicitly disable I2C IRQ in xei2cremove a...

UBUNTU-CVE-2026-98195

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlegacy: fix broadcast stations deallocation On the error path of il4965up, ildeallocbcaststations clears only ILSTAUCODEACTIVE, leaving ILSTABCAST set. This causes the same broadcast stations to be deallocated again by...

UBUNTU-CVE-2026-98235

In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: release tail references on DELACTION failure A batched RTMDELACTION request takes a temporary reference on each action before attempting any deletion. tcfactiondelete clears each processed slot and drops its...

UBUNTU-CVE-2026-98322

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftnat: fully initialise newaddr in netmap setup nftnatsetupnetmap builds the mapped address in an on-stack union nfinetaddr. For an IPv4 mapping it writes only the 4-byte .ip member and the loop runs a single 32-bit...

UBUNTU-CVE-2026-98367

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Clear association under lock if siwqpmodify fails in siwaccept We need to clear cep before release statelock as siwqpllpclose and siwqpmodify-siwqpllpclose did. Otherwise if siwqpmodify fails in siwaccept, the QP's...

UBUNTU-CVE-2026-98252

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: fix refcount bug in iwpmgetnlmsgrequest iwpmgetnlmsgrequest initializes refcount after listaddtail making it accessible to global list where another CPU can krefget on nlmsgrequest causing a refcount "addition on 0" bu...

UBUNTU-CVE-2026-98254

In the Linux kernel, the following vulnerability has been resolved: swiotlb: use the adjusted address for the highmem page lookup swiotlbbounce reads the page frame number from the slot's recorded origaddr, then advances origaddr by tlboffset to reach the address the caller asked about. The highm...

UBUNTU-CVE-2026-98216

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix the PIOCRED credit-return mmap hfi1filemmap's PIOCRED case must hand user space the single credit-return page that holds this context's entry. That page is the second or third page of the per-node credit-return...

UBUNTU-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...

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-2026-98332

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: only operate on TDLS peers in the TDLS code ieee80211tdlsoper can operate on the AP station, which then yields various warnings when the AP station is removed then or at a later point in time after being confused...

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-2026-98284

In the Linux kernel, the following vulnerability has been resolved: netlink: do not free nlk-groups while lockless readers can use it netlinkreallocgroups uses krealloc under netlinktablegrab. Whenever NLGRPSZgroups lands in a different kmalloc bucket, the old bitmap is freed immediately. Two...

UBUNTU-CVE-2026-98360

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: insert mcg into mcgtree only after rxemcastadd succeeds rxegetmcg publishes a newly allocated multicast group in rxe-mcgtree before programming the backing Ethernet multicast address with rxemcastadd, which runs outside...

UBUNTU-CVE-2026-98304

In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: restore the hardware filters on open bcmgenethfbinit runs INITLISTHEAD on priv-rxnfclist, which drops every rule off the list, and bcmgenetopen calls it on each ifup. Every rule the user configured is silently lost...

UBUNTU-CVE-2026-98210

In the Linux kernel, the following vulnerability has been resolved: mmc: mxcmmc: cancel data work and watchdog on remove mxcmciremove frees the host through the devm tail, but neither it nor mmcremovehost drains the driver's own asynchronous state. host-watchdog, a 10 s timer armed on the DMA pat...

UBUNTU-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-2026-98200

In the Linux kernel, the following vulnerability has been resolved: hwmon: hp-wmi-sensors Fix use-after-free in fungibleshow nsensor-currentstate is dynamically replaced as the sensor's state changes. updatenumericsensorfromwobj does this by freeing the old string and installing a new one: if...

UBUNTU-CVE-2026-98302

In the Linux kernel, the following vulnerability has been resolved: net: fddi: skfp: fix NULL deref when setting the MAC address while down skfpctlsetmacaddress calls ResetAdapter unconditionally, without checking netifrunning. ResetAdapter first calls cardstop, which sets smc-hw.hwstate to...

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-2026-98348

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 -...