UBUNTU-CVE-2026-97541

In the Linux kernel, the following vulnerability has been resolved: wifi: ath9khtc: don't store usbdeviceid usbdeviceid is not guaranteed to live longer than probe due to presence of dynamic ID. All information apart from driverdata can be easily retrieved from usbdevice, so just store driverdata...

UBUNTU-CVE-2026-98062

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark signal tracepoint siginfo arguments as scalar The signalgenerate and signaldeliver tracepoints declare their info argument as a struct kernelsiginfo pointer. btfctxaccess therefore treats it as a trusted pointer for tpb...

UBUNTU-CVE-2026-97995

In the Linux kernel, the following vulnerability has been resolved: virtioconsole: do not free control-out buffers on remove sendcontrolmsg publishes &portdev-cpkt as the control-out virtqueue cookie. removevqs walks every virtqueue and passes leftover cookies to freebuf, which treats them as...

UBUNTU-CVE-2026-97977

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: Fix UAF of btusbdata by rxwork btusbclose and btusbflush cancel data-rxwork with the asynchronous canceldelayedwork, so if btusbrxwork is already running on another CPU it keeps running after the cancel returns...

UBUNTU-CVE-2026-98074

In the Linux kernel, the following vulnerability has been resolved: bonding: do not clear curractiveslave prematurely when releasing all slaves When releasing all slaves during bond destruction all == true, bondreleaseone unconditionally clears bond-curractiveslave to NULL in every iteration. If ...

UBUNTU-CVE-2026-97922

In the Linux kernel, the following vulnerability has been resolved: tracing: Free histogram var refs regardless of how often they are referenced Using the same variable three or more times in one hist trigger leaks the variable reference and its strings when the trigger is removed. commit...

UBUNTU-CVE-2026-98060

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject resilient lock operations in rbtree callbacks bpfrbtreeadd keeps parent and link pointers live across calls to the program-supplied comparison callback. The verifier therefore requires the root's lock to remain held...

UBUNTU-CVE-2026-97978

In the Linux kernel, the following vulnerability has been resolved: eth: ice: don't dereference pointers from TPprintk After forwarding net-next during the v7.3 merge window we started seeing: TRACE EVENT ERROR: Event icetxdimwork has double dereference in TPprintk: REC-qvector-tx.txring-qindex...

UBUNTU-CVE-2026-97908

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btqcomsmd: destroy RPMsg endpoints before freeing hcidev The command and ACL RPMsg endpoints store struct btqcomsmd as their callback private data. The receive callbacks dereference btq-hdev without taking an hcidev...

UBUNTU-CVE-2026-97573

In the Linux kernel, the following vulnerability has been resolved: bnxten: Handle buffer allocation failure in bnxtrxringreset bnxtrxringreset frees the ring buffers and then reallocates them, ignoring the result. bnxtalloconerxring can fail in bnxtalloconetpainfodata, which returns -ENOMEM on t...

UBUNTU-CVE-2026-98102

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: fix RCU list diversion in ip6mcdel1src When removing a source filter whose count reaches zero, ip6mcdel1src unlinks psf from pmc-mcasources. If the filter was previously active, the code moved psf directly into...

UBUNTU-CVE-2026-97988

In the Linux kernel, the following vulnerability has been resolved: vhost: invalidate vring access on IOTLB transitions When VIRTIOFACCESSPLATFORM changes, cached vring pointers and IOTLB metadata are interpreted in a different address space. Keeping them across the transition can leave stale rin...

UBUNTU-CVE-2026-97925

In the Linux kernel, the following vulnerability has been resolved: tick/broadcast: Plug clockevents replacement race 朱恺乾 reported and decoded the following race condition when a broadcast device is replaced: CPUA CPUB tickbroadcastoneshotcontrol bc = tickbroadcastdevice.evtdev;...

UBUNTU-CVE-2026-98050

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumptp: Fix napigroreceive call from GC workqueue context Currently mlxswsp1ptphtgccollect is run from the PTP garbage-collection workqueue, rather than the NAPI poll context. For any unmatched PTP entries carrying an...

UBUNTU-CVE-2026-98106

In the Linux kernel, the following vulnerability has been resolved: drm/pagemap: Prevent double migration of device pages A device-private folio migrated to system memory by a CPU fault can remain reachable through the raw-PFN eviction path until migration finalization drops the source reference...

UBUNTU-CVE-2026-97526

In the Linux kernel, the following vulnerability has been resolved: s390/pai: Support CPU hotplug for PMU PAI The command 'perf stat -e paicrypto/CRYPTOALL/ -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the missing allocation of per-CPU data structures for tha...

UBUNTU-CVE-2026-97589

In the Linux kernel, the following vulnerability has been resolved: s390/crypto: Fix wrong return code to engine in asynch callbacks When cryptofinalizehashrequest or cryptofinalizeskcipherrequest explicitly completes a request, the doonerequest callback must return 0 to indicate successful...

UBUNTU-CVE-2026-98057

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Add checking nrsubbufs to persistent ring buffer validation Sashiko reported that the code was using meta-nrsubbufs without making sure that it matched the nrpages + 1 on data that was assuming the two were the same...

UBUNTU-CVE-2026-98055

In the Linux kernel, the following vulnerability has been resolved: ASoC: Intel: avs: Clean up the bus when fetching ML caps fails sndhdacextbusgetmlcapabilities may fail and its return code shall be checked and accounted for. Address the issue by updating the error-path for avspciprobe. At the...

UBUNTU-CVE-2026-98114

In the Linux kernel, the following vulnerability has been resolved: ksmbd: propagate DACL parsing errors parsedacl silently accepts truncated ACEs and allocation failures, allowing setinfosec to continue with an incomplete ACL conversion. Return parsing and allocation errors to parsesecdesc so...

UBUNTU-CVE-2026-98042

In the Linux kernel, the following vulnerability has been resolved: bpf: Don't resurrect a scalar id dropped by collectlinkedregs checkcondjmpop copies the compared registers into env-false,truereg1,2 before collectlinkedregs runs and copies those snapshots back into both branch states afterwards...

UBUNTU-CVE-2026-98093

In the Linux kernel, the following vulnerability has been resolved: ASoC: fslmicfil: balance mclk enable/disable hwparams enables mclk unconditionally and hwfree disables it unconditionally, but the PCM core does not guarantee 1:1 pairing: hwfree can run without hwparams, and hwparams can be call...

UBUNTU-CVE-2026-98017

In the Linux kernel, the following vulnerability has been resolved: net/sched: defer qdisc freeing after failed creation An RTMNEWQDISC request can make clsact bind a populated shared ingress block during -init, publishing an embedded miniQdisc to lockless readers. If the same request has an...

UBUNTU-CVE-2026-97969

In the Linux kernel, the following vulnerability has been resolved: watchdog: msc313e: Fix clock leak and spurious timer in settimeout msc313ewdtsettimeout unconditionally calls msc313ewdtstart which introduces two severe bugs: 1. If the watchdog is already active, calling start again will increa...

UBUNTU-CVE-2026-98151

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix REG INVARIANTS VIOLATION on speculative pointer arithmetic Take the following unprivileged program as an example: r0 = bpfmaplookupelem... / PTRTOMAPVALUE, offset 0 / ... 14: r0 += r1 / r1 is a bounded scalar / 15: r9 = ...

UBUNTU-CVE-2026-98056

In the Linux kernel, the following vulnerability has been resolved: nvme: remove stale namespaces by NSID range during scan nvmescannslist drops the stale namespaces in each gap in the reported NSID list one NSID at a time. Every iteration calls nvmefindgetns to look the namespace up and removes ...

UBUNTU-CVE-2026-98097

In the Linux kernel, the following vulnerability has been resolved: tipc: Dont send random pad bytes in RESET/ACTIVATE messages The interface name is passed in a fixed length TIPCMAXIFNAME buffer. Replace the strcpydata, l-ifname with memcpy so that the pad bytes are actually written l-ifname is...

UBUNTU-CVE-2026-97612

In the Linux kernel, the following vulnerability has been resolved: net: mpls: clear innerprotocol when the last label is popped skbmplspush records the pre-encapsulation network header once, gated on !skb-innerprotocol. skbmplspop never clears that record, so it outlives the encapsulation it...

UBUNTU-CVE-2026-97927

In the Linux kernel, the following vulnerability has been resolved: ufs: create the root dentry after loading cylinder metadata ufsfillsuper installed sb-sroot before it loaded the cylinder group structures for a writable mount: sb-sroot = dmakerootinode; ... if !sbrdonlysb if...

UBUNTU-CVE-2026-98008

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix NULL pointer dereference on unbind with fixed-link When the device tree describes a fixed-link and has no "mdio" child node, macbmiiinit returns early without allocating the MDIO bus, leaving bp-miibus as NULL. Two...

UBUNTU-CVE-2026-97937

In the Linux kernel, the following vulnerability has been resolved: ftrace: fork: Initialize function graph state before copyexecstate duptaskstruct copies the parent's taskstruct, including retstack. ftracegraphinittask clears the copied function graph state, but it currently runs after...

UBUNTU-CVE-2026-97555

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix heap overflow in DACL owner/group rewrite When idmodetocifsacl rewrites an existing DACL, it allocates a buffer sized according to the on-disk DACL length reported by daclptr-size. However, replacesidsandcopyaces...

UBUNTU-CVE-2026-97974

In the Linux kernel, the following vulnerability has been resolved: ipv6: null-check fib6node before accessing in ip6delrtsiblings syzbot reported a null-ptr-deref in ip6delrtsiblings 0. The stack trace hinted towards a null dereference of rt-fib6node when fn-leaf is accessed in ip6delrtsiblings...

UBUNTU-CVE-2026-97899

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix memory leak in queryperfconfiglist When krealloc fails, free the original oaconfigids before returning to avoid a memory leak. cherry picked from commit 9977e9d84f46d4f12ad35fbbc0ec4638554bce87...

UBUNTU-CVE-2026-98006

In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: Decoupling ep1inurb in caiaq dev The epqinurb object belonging to the caiaq device is coupled within the struct sndusbcaiaqdev. After usbsubmiturbepqinurb, GFPKERNEL executes successfully, epqinurb is successfully...

UBUNTU-CVE-2026-97607

In the Linux kernel, the following vulnerability has been resolved: vdpa: ifcvf: Put device on unsupported feature error Route unsupported provisioned features through the common error path after vdpaallocdevice so the allocated device and adapter pointer are released consistently...

UBUNTU-CVE-2026-98003

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Do not reallocate GA log buffers on resume Commit c5e1a1eb9279 "iommu/amd: Simplify and Consolidate Virtual APIC AVIC Enablement" moved the GA log allocation from iommuinitpci to enableiommusvapic, which is called on...

UBUNTU-CVE-2026-98066

In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: Fix potential double-free at error path The fix for caiaq driver's resource management to handle the errors tries to release the resources in a common destructor call, but as a sashiko review for another patch...

UBUNTU-CVE-2026-97964

In the Linux kernel, the following vulnerability has been resolved: pppsynctty: ensure a writeable skb header pppsynctxmunge checks headroom before prepending the address and control bytes, but does not ensure that the skb header is writable. A received skb can reach this function through PPP...

UBUNTU-CVE-2026-97947

In the Linux kernel, the following vulnerability has been resolved: x86/amdnode: Fix potential NULL pointer dereference amdsmnread/write are exported functions around amdsmnrw, so they are always available even if amdsmninit fails. In that case, 'amdroots' is NULL and amdsmnrw will access...

UBUNTU-CVE-2026-98125

In the Linux kernel, the following vulnerability has been resolved: smb/client: fix stale page cache in insert/collapse range smb3insertrange and smb3collapserange use truncatepagecacherange to invalidate the affected page cache. However, if off or oldeof is not page-aligned, the boundary pages a...

UBUNTU-CVE-2026-97610

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix uninitialized return value in netfsunbufferedwrite If preparation of the first subrequest fails, netfsunbufferedwrite exits its loop before ret is initialized. The empty-iterator check can do the same. For synchronous...

UBUNTU-CVE-2026-98135

In the Linux kernel, the following vulnerability has been resolved: ntfs: reject invalid sectorspercluster in the boot sector isbootsectorntfs checks the boot sector's sectorspercluster field with a range test that rejects 0x81..0xf3 but accepts 0 and other non-power-of-two counts. A zero value...

UBUNTU-CVE-2026-98079

In the Linux kernel, the following vulnerability has been resolved: btrfs: zstd: fix lost wakeup when waiting for a workspace A writer can sleep forever in zstdgetworkspace even though a workspace is free. When zstdallocworkspace fails, the task is queued on zwsm-wait and schedules unconditionall...

UBUNTU-CVE-2026-98087

In the Linux kernel, the following vulnerability has been resolved: sched/rt,dl: Skip migrate-disabled tasks when picking a push candidate A migratedisable'd RT task cannot be moved to another CPU, but the scheduler still keeps such a task on that CPU's pushable list rq-rt.pushabletasks and still...

UBUNTU-CVE-2026-97590

In the Linux kernel, the following vulnerability has been resolved: s390/crypto: Fix missing scrub of temp buffers with PAES algorithm In function ctrpaesdocrypt there is a buffer used to process remaining bytes AESBLOCKSIZE. This buffer was not scrubbed and thus could lead to expose of unwanted...

UBUNTU-CVE-2026-97932

In the Linux kernel, the following vulnerability has been resolved: tracing: Don't dereference traceeventfile in deferred trigger free The enableevent trigger defers traceeventputref to the trigger free kthread, but the traceeventfile can already be freed when the instance is removed. Keep the...

UBUNTU-CVE-2026-98115

In the Linux kernel, the following vulnerability has been resolved: ksmbd: safely drain sessions during logoff SMB3 multichannel allows requests for one session to run on multiple connections. Wait for all channels bound to a session before freeing shared session objects. A deferred byte-range lo...

UBUNTU-CVE-2026-97603

In the Linux kernel, the following vulnerability has been resolved: idpf: disable DIM work before freeing qvectors idpf never drains the Tx/Rx DIM works before freeing the memory they live in. txdim and rxdim are embedded in struct idpfqvector, they are queued from the NAPI poll via netdim, and...

UBUNTU-CVE-2026-97901

In the Linux kernel, the following vulnerability has been resolved: genetlink: pin family module during policy dump The generic netlink controller's policy dump keeps pointers to the target family's operation and policy tables in its callback state. A dump may be split across multiple skbs and...