UBUNTU-CVE-2026-68164

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: disallow overlapping input ranges for damonsetregions damonsetregions assumes the input ranges are sorted by the address and don't overlap each other. Hence the assumption was initially to be explicitly validated...

UBUNTU-CVE-2026-68228

In the Linux kernel, the following vulnerability has been resolved: media: chips-media: wave5: Move srcbuf Removal to finishencode During encoder processing, there is a case where the IRQ response could return the buffer back to userspace via v4l2m2mbufdone call. In this time, userspace could que...

UBUNTU-CVE-2026-68399

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF in sock clone early bailouts Similar to recent commit 9b51a6155d14 "bpf,fork: wipe -bpfstorage before bailouts that access it", skclone performs an initial shallow copy of the socket field -skbpfstorage via sockcopy...

UBUNTU-CVE-2026-68389

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: Clear memdump state on invalid dump size qcacontrollermemdump allocates qca-qcamemdump before processing the first dump packet. For a sequence-zero packet it then disables IBS, marks memdump collection active,...

UBUNTU-CVE-2026-68341

In the Linux kernel, the following vulnerability has been resolved: ovpn: fix use after free in unlockovpn unlockovpn iterates over the releaselist using llistforeachentry and drops the peer reference inside the loop body via ovpnpeerput. If this drops the last reference, the peer is eventually...

UBUNTU-CVE-2026-68311

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: guard link STA in decap offload mt7925stasetdecapoffload iterates over the vif validlinks mask when updating decap offload state for an MLO station. The station may not have a link STA for every valid link of...

UBUNTU-CVE-2026-68283

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix use-after-free freeing trigger private data Commit 61d445af0a7c "tracing: Add bulk garbage collection of freeing eventtriggerdata" moved the kfree of eventtriggerdata to a kthread that runs...

UBUNTU-CVE-2026-68354

In the Linux kernel, the following vulnerability has been resolved: firewire: net: Fix fragmented datagram reassembly fwnetfragnew keeps a sorted list of received fragments for a partial datagram. When a new fragment is adjacent to an existing fragment, the code checks whether the new fragment al...

UBUNTU-CVE-2026-68206

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-ctrls: validate HEVC active reference counts HEVC slice parameters are shared stateless V4L2 controls, but the common validation path does not verify the active L0/L1 reference counts before driver-specific code...

UBUNTU-CVE-2026-68235

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: dce100: skip non-DP stream encoders for DP MST On DCE8-class ASICs e.g. Bonaire, the resource pool contains digital DIG stream encoders plus one analog DAC encoder. When assigning a stream encoder for a second...

UBUNTU-CVE-2026-68342

In the Linux kernel, the following vulnerability has been resolved: ovpn: avoid putting unrelated P2P peer on socket release ovpnpeerreleasep2p is called when an OVPN UDP socket is being destroyed. It checks the currently published P2P peer and releases it only if that peer still uses the socket...

UBUNTU-CVE-2026-68166

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: prevent registration of special VMAs Vova Tokarev says: userfaultfd allows registration on shadow stack VMAs. With userfaultfd access, you can register on the shadow stack, discard a page ... and inject a page with...

UBUNTU-CVE-2026-68222

In the Linux kernel, the following vulnerability has been resolved: media: msi2500: Return queued buffers on startstreaming failure The vb2 framework hands buffers to the driver via bufqueue before calling startstreaming. If startstreaming returns an error without first returning those buffers vi...

UBUNTU-CVE-2026-68401

In the Linux kernel, the following vulnerability has been resolved: firmware: armffa: Fix out-of-bound writes in ffasetupandtransmit Sashiko locally reports multiple out-of-bound issues in ffasetupandtransmit: 1 Writing epmemaccess-reserved can write out of bounds for FFA versions 1.2 as...

UBUNTU-CVE-2026-68266

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Hold a dma-buf reference for imported BOs An imported dma-buf BO is created as a ttmbotypesg BO whose reservation object is the exporter's dmabuf-resv. The importer, however, only takes a dma-buf reference after a...

UBUNTU-CVE-2026-68230

In the Linux kernel, the following vulnerability has been resolved: media: amlogic-c3: Add validations for ae and awb config Avoid invalid memory access if the zonesnum is bigger than zoneweight. This patch fixes the following smatch errors: drivers/media/platform/amlogic/c3/isp/c3-isp-params.c:1...

UBUNTU-CVE-2026-68270

In the Linux kernel, the following vulnerability has been resolved: drm/sysfb: Avoid possible truncation with calculating visible size Calculating the visible size of the system framebuffer can result in truncation of the result. The calculation uses 32-bit arithmetics, which can overflow if the...

UBUNTU-CVE-2026-68289

In the Linux kernel, the following vulnerability has been resolved: tipc: fix integer overflow in tipcrecvmsg and tipcrecvstream In tipcrecvmsg, the copy length is computed as: copy = mintint, dlen - offset, buflen; buflen is sizet but mintint, ... casts it to int. When buflen exceeds INTMAX e.g...

UBUNTU-CVE-2026-68393

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: extend connhash lookup critical sections Using RCU-protected pointers outside the critical sections without refcount is incorrect and may result to UAF. Extend critical section to cover both hciconnhash lookup...

UBUNTU-CVE-2026-68308

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: check pointer returned by mt76connacgethephycap mt76connacgethephycap routine can theoretically return NULL so check cap pointer before dereferencing it...

UBUNTU-CVE-2026-68346

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: cs35l41: validate and free ACPI mute object cs35l41getacpimutestate evaluates a DSM method to get the ACPI mute state and reads the first byte from the returned object. However, the returned ACPI object is owned by the...

UBUNTU-CVE-2026-68174

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix union collision of module and refcnt for dynamic events In 'struct traceeventcall', the 'module' pointer and the 'refcnt' atomic variable share the same memory space in a union. For dynamic events, the union member i...

UBUNTU-CVE-2026-68163

In the Linux kernel, the following vulnerability has been resolved: mm/pagevmamapped: fix device-private PMD handling Commit 65edfda6f3f2 "mm/rmap: extend rmap and migration support device-private entries" introduced the concept of device-private PMD entries, but did not correctly update the rmap...

UBUNTU-CVE-2026-68265

In the Linux kernel, the following vulnerability has been resolved: drm/xe/vm: Fix BO prefetch with CONSULTMEMADVISEPREFLOC When prefetch region is DRMXECONSULTMEMADVISEPREFLOC for a BO VMA, the code used it as an index into regiontomemtype, causing an out-of-bounds access since the value is -1...

UBUNTU-CVE-2026-68259

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Check bounds in allocateeventnotificationslot The valid event ids go from 0 to KFDSIGNALEVENTLIMIT allocateeventnotificationslot has an option to specify an event id to allocate at, used by CRIU. We weren't checking t...

UBUNTU-CVE-2026-68197

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: fix NULL dereference when the AP has HT-cap but no HT-oper mwifiextdlsaddhtoper gates its follow-the-AP-bandwidth path on bssdesc-bcnhtcap being present, but then dereferences a different pointer, bssdesc-bcnhtoper...

UBUNTU-CVE-2026-68215

In the Linux kernel, the following vulnerability has been resolved: media: radio-si476x: Unregister v4l2device on probe failure si476xradioprobe registers radio-v4l2dev before allocating the V4L2 controls and before registering the video device. If any of those later steps fails, probe returns...

UBUNTU-CVE-2026-68151

In the Linux kernel, the following vulnerability has been resolved: binfmtelffdpic: only honour the first PTINTERP The program header scan handles PTINTERP from a switch nested in the scan loop, so its break leaves the switch and not the loop. A binary carrying more than one PTINTERP runs the cas...

UBUNTU-CVE-2026-68196

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: validate assoc response length before subtracting header wilcparseassocrespinfo computes the trailing IE length as ieslen = bufferlen - sizeofres; without first checking that bufferlen is at least sizeofstruct...

UBUNTU-CVE-2026-68176

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix mmiotrace possible NULL dereferencing of hiter-dev If the mmiopipeopen fails to find a PCI device, the hiter-dev will be assigned to NULL. The mmiotrace read function dereferences the hiter-dev if hiter exists. Chang...

UBUNTU-CVE-2026-68278

In the Linux kernel, the following vulnerability has been resolved: drm/dp/mst: fix buffer overflows in sideband chunk accumulation drmdpsidebandappendpayload has three related bugs when processing device-provided sideband reply data: 1. Zero-length curchunklen underflow: msglen is a 6-bit field...

UBUNTU-CVE-2026-68216

In the Linux kernel, the following vulnerability has been resolved: media: pwc: Return queued buffers on startstreaming failure The vb2 framework hands buffers to the driver via bufqueue before calling startstreaming. If startstreaming returns an error without first returning those buffers via...

UBUNTU-CVE-2026-68397

In the Linux kernel, the following vulnerability has been resolved: net/iucv: take a reference on the socket found in afiucvhsrcv afiucvhsrcv looks up the destination socket under iucvsklist.lock, drops the lock, and then passes the socket to the afiucvhscallback handlers without holding a...

UBUNTU-CVE-2026-68366

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: clamp SENDRESPONSE length to the response buffer uvcsendresponse builds the UVC control response from a user-supplied struct uvcrequestdata: req-length = mintunsigned int, uvc-eventlength, data-length;...

UBUNTU-CVE-2026-68175

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix resource leak on mmiotrace tracepipe close The mmiotrace tracer was added May 12th 2008. At that time, resources created in pipeopen could not be freed because there was not pipeclose function pointer of the tracer...

UBUNTU-CVE-2026-68405

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: free APVLAN bcbuf SKBs outside IRQ lock ieee80211dostop removes APVLAN packets from the parent AP ps-bcbuf while holding ps-bcbuf.lock with IRQs disabled. It then calls ieee80211freetxskb before dropping the lock...

UBUNTU-CVE-2026-68413

In the Linux kernel, the following vulnerability has been resolved: wifi: ipw2100: fix potential memory leak in ipw2100pciinitone The memory allocated in the ipw2100allocdevice function is not freed in some of the error paths in ipw2100pciinitone. Fix that by converting the direct return into a...

UBUNTU-CVE-2026-68326

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: bound uAP association event IEs to the event buffer mwifiexprocessuapevent handles EVENTUAPSTAASSOC by exposing the reassociation request IEs that the firmware copies into the event: sinfo-assocreqies =...

UBUNTU-CVE-2026-68147

In the Linux kernel, the following vulnerability has been resolved: fscrypt: Avoid dynamic allocation in fscryptgetdevices When a blkcryptokey starts being used or is evicted, fs/crypto/ calls fscryptgetdevices to get the filesystem's list of block devices, then iterates over them and calls...

UBUNTU-CVE-2026-68422

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix root leak if its reloc root is unexpected in mergerelocroots If we have an unexpected relocroot for our root, we jump to the out label but never drop the reference we obtained for root, resulting in a leak. Add a missi...

UBUNTU-CVE-2026-68408

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: convert pmsrfreewk to wiphywork to fix deadlock When a netlink socket that owns a PMSR session is closed, cfg80211releasepmsr clears the request's nlportid and queues pmsrfreewk to call cfg80211pmsrprocessabort...

UBUNTU-CVE-2026-68195

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7615: drop TXRXNOTIFY on non-mmio buses PKTTYPETXRXNOTIFY is an mmio-only event, but mt7615rxcheck and mt7615queuerxskb dispatch it to mt7615mactxfree on every bus. mt7615mactxfree cleans the DMA tx queues with...

UBUNTU-CVE-2026-68372

In the Linux kernel, the following vulnerability has been resolved: usb: core: port: Deattach Type-C connector on component unbind connectorunbind is the mirror of connectorbind, but it is missing the symmetric call to typecdeattach that connectorbind makes via: if portdev-child...

UBUNTU-CVE-2026-68302

In the Linux kernel, the following vulnerability has been resolved: amt: re-read skb header pointers after every pull Several AMT receive and transmit paths cache a pointer into the skb head iphdr, ipv6hdr, ethhdr or the AMT message header and then call a helper that can reallocate that head befo...

UBUNTU-CVE-2026-68368

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: validate datagram bounds in ncmunwrapntb When unpacking host-supplied NTBs, ncmunwrapntb checks datagram length against framemax but does not verify that the datagram fits within the declared block length...

UBUNTU-CVE-2026-68262

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: Fix user array stride in pvrsetuobjarray pvrsetuobjarray copies an array of kernel objects to a userspace array whose element size is described by out-stride. When out-stride is different from the kernel object...

UBUNTU-CVE-2026-68317

In the Linux kernel, the following vulnerability has been resolved: pdscore: fix auxiliary device add/del races Two paths add or delete the same slot pf-vfsvfid.padev: a VF's pdscresetdone and the PF's devlink enablevnet/disablevnet handler. They serialize on configlock, but neither guards the sl...

UBUNTU-CVE-2026-68150

In the Linux kernel, the following vulnerability has been resolved: fs/super: fix emergency thaw double-unlock of sumount dothawall iterates over all superblocks via iteratesupers with SUPERITEREXCL, which acquires sumount exclusively before calling the callback and releases it afterwards. Howeve...

UBUNTU-CVE-2026-68233

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Shut down BO cache timer before teardown The BO cache timer callback schedules timework, and timework can rearm the timer through vc4bocachefreeold. vc4bocachedestroy deletes the timer and then cancels the work, which do...

UBUNTU-CVE-2026-68296

In the Linux kernel, the following vulnerability has been resolved: net: gre: fix lltx regression for GRE tunnels with SEQ/CSUM Before commit 00d066a4d4ed "netdevfeatures: convert NETIFFLLTX to dev-lltx", NETIFFLLTX was set unconditionally in both gretunnelinit and ip6gretnlinitfeatures alongside...