UBUNTU-CVE-2026-74490

In the Linux kernel, the following vulnerability has been resolved: tipc: avoid use-after-free in poll trace queue dumps TIPC socket tracepoints dump queue state through tipcskdump. Most queue-dump callsites already serialize that walk under the socket lock or sk-sklock.slock, but tipcpoll calls...

UBUNTU-CVE-2026-72499

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxtre: Free CQ toggle page after firmware teardown Free the toggle page only after firmware teardown completes so that an NQ interrupt arriving during bnxtqplibdestroycq won't write the toggle value to an already-freed page...

UBUNTU-CVE-2026-72294

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Check irq validity in kvmvcpuioctlinterrupt Function kvmvcpuioctlinterrupt can be called from userspace, here add irq validility cheking in kvmvcpuioctlinterrupt...

UBUNTU-CVE-2026-74396

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix UMR XLT cleanup on ODP populate failure mlx5rumrupdatexlt allocates and DMA maps an XLT buffer with mlx5rumrcreatexlt. The buffer is released by the common cleanup path through mlx5rumrunmapfreexlt. After...

UBUNTU-CVE-2026-74469

In the Linux kernel, the following vulnerability has been resolved: sctp: prevent peer transport count overflow sctpassocaddpeer increments the association's 16-bit transportcount for every new unique peer. Adding the 65,536th transport wraps the count to zero. SCTP sockdiag uses transportcount t...

UBUNTU-CVE-2026-74544

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: validate offshift to prevent shift-out-of-bounds u32change copies the user-provided tcu32sel.offshift unsigned char, 0-255 into the kernel knode object without bounds validation. When a packet later hits...

UBUNTU-CVE-2026-72203

In the Linux kernel, the following vulnerability has been resolved: ntfs: skip extent mft records in writeback to prevent deadlock This patch fixes the ABBA deadlock between extentlock and extent mreclock triggered by xfstests generic/113, that occurs since the commit 6994acf33bae "ntfs: use base...

UBUNTU-CVE-2026-74381

In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Allow entries in BO caches to be freed When a buffer object is pinned via host1xbopin with a cache, the resulting mapping is kept in the cache so it can be reused on subsequent pins. Each mapping held a reference to...

UBUNTU-CVE-2026-74541

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: clear isodata always when detaching conn from hcon When setting conn-hcon = NULL, also conn-hcon-isodata = NULL is necessary, otherwise later isoconnfree will UAF. Fix clearing of isodata in isosockdisconn Fixes...

UBUNTU-CVE-2026-72391

In the Linux kernel, the following vulnerability has been resolved: net: phy: sfp: free miibus in sfpi2cmdiobusdestroy sfpi2cmdiobuscreate allocates the I2C MDIO bus with mdioi2calloc, a plain non-devm allocation, and registers it. sfpi2cmdiobusdestroy only unregisters the bus and clears sfp-i2cm...

UBUNTU-CVE-2026-73417

jupyterlab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From 3.3.0 until 4.5.10 and 4.6.2, JupyterLab allows notebook settings to be shared and applied through an overrides.json file using the Import button in the Settings...

UBUNTU-CVE-2026-72019

In the Linux kernel, the following vulnerability has been resolved: macsec: don't read an unset MAC header in macsecencrypt macsecencrypt reads the Ethernet header via ethhdrskb skb-head + skb-macheader to memmove the 12 source/destination MAC bytes forward and make room for the SecTAG. On the...

UBUNTU-CVE-2026-72334

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix malformed ISOEND/CONT handling Core specification Part C vol 4 sec 5.4.5 does not exclude empty ISOCONT, ISOEND packets. We currently reject them if they are last. If controller sends malformed sequence ISOSTA...

UBUNTU-CVE-2026-72464

In the Linux kernel, the following vulnerability has been resolved: xprtrdma: Repost Receive buffers for malformed replies rpcrdmawcreceive decrements the transport's Receive count for every completion before it dispatches a successful Receive to rpcrdmareplyhandler. The handler must post a...

UBUNTU-CVE-2026-63650

OpenVPN 2.7alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field...

UBUNTU-CVE-2026-68479

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btrtl: validate firmware patch bounds rtlbtparsefirmware copies patchlength - 4 bytes before appending the firmware version. A malformed firmware patch shorter than the version field can make this subtraction underflow...

UBUNTU-CVE-2026-72039

In the Linux kernel, the following vulnerability has been resolved: bnx2x: fix potential memory leak in bnx2xallocmembp If the allocation of fpi.tpainfo fails, the error path will not free the struct bnx2xfastpath allocated earlier, as it is not linked to the bp structure yet. Fix that by linking...

UBUNTU-CVE-2026-72201

In the Linux kernel, the following vulnerability has been resolved: ntfs: validate index entries on reading Validate index entries immediately after reading an index root or index block from disk. This eliminates repeated checks in lookup and readdir, and reduce the risk of missing checks in thos...

UBUNTU-CVE-2026-74453

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Zero the tile state data array before each BIN job The binner BO is a single 16MB buffer split into 512KB slots that are handed out to jobs at submission time and recycled as jobs complete, without ever being cleared. Ea...

UBUNTU-CVE-2026-72399

In the Linux kernel, the following vulnerability has been resolved: net: enetc: check the number of BDs needed for xdpframe The size of xdpredirectarr array is ENETCMAXSKBFRAGS. However, the number of fragments contained in xdpframe may be greater than or equal to ENETCMAXSKBFRAGS, which will cau...

UBUNTU-CVE-2026-74319

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: fix deadlock waiting for ticket during data relocation When performing data relocation on a zoned filesystem, BTRFS can deadlock in handlereservetickets. The relocation process is waiting on a space reservation tick...

UBUNTU-CVE-2026-72087

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix memory leak in lpfcsli4driverresourcesetup The memory allocated for mboxq using mempoolalloc is not freed in some of the early exit error paths. Fix that by moving the mempoolfree call to an earlier point after la...

UBUNTU-CVE-2026-72502

In the Linux kernel, the following vulnerability has been resolved: tcp: ipv6: clamp default adverting MSS to avoid GSOBYFRAGS 0xFFFF When MTU is large, ip6defaultadvmss can return IPV6MAXPLEN 65535. This is interpreted by TCP as mssclamp, allowing the MSS to reach 65535. However, 0xFFFF is also...

UBUNTU-CVE-2026-72058

In the Linux kernel, the following vulnerability has been resolved: net: ixp4xxhss: fix duplicate HDLC netdev allocation ixp4xxhssprobe allocates two HDLC netdevs. The first one is stored in ndev, initialized, and registered with registerhdlcdevice. The second one is stored in port-netdev and lat...

UBUNTU-CVE-2026-72060

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: icssg: guard PA stat lookups icssgndogetstats64 unconditionally calls emacgetstatbyname with FW PA stat names regardless of whether the PA stats block is present on the hardware. emacgetstatbyname already guard...

UBUNTU-CVE-2026-72371

In the Linux kernel, the following vulnerability has been resolved: afs: Fix the volume AFSVOLUMERMTREE is set on Fix afsinsertvolumeintocell to set AFSVOLUMERMTREE on the volume replaced, not the new volume, as it's now removed from the cell's volume tree. This will cause the old volume to be...

UBUNTU-CVE-2026-72312

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: fix VF bringup affecting PF promiscuous state Mbox handling of nixsetrxmode for a VF with promiscuous and allmulti flags set to false causes deletion of the PF's promiscuous and allmulti MCAM rules. This occurs...

UBUNTU-CVE-2026-74549

In the Linux kernel, the following vulnerability has been resolved: hwmon: nct6775-core Prevent access to unsupported weight registers Sashiko reports: During initialization of the nct6116 chip, the driver sets data-pwmnum to 5. However, it assigns several NCT6106 register arrays such as...

UBUNTU-CVE-2026-72263

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: topology: fix memory leak in sndsofloadtopology When the topology filename contains "dummy" and tplgcnt is 0, the function returns -EINVAL directly without freeing the tplgfiles allocated by kcalloc at line 2497. This...

UBUNTU-CVE-2026-74301

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtk: fix URB leak in allocmtkintrurb error path When btmtkisopktpad fails, the previously allocated URB is not freed, leaking the urb structure. Add usbfreeurb before returning the error...

UBUNTU-CVE-2026-74456

In the Linux kernel, the following vulnerability has been resolved: can: peakusb: peakusbstart: fix double free of transfer buffer on URB submit error In peakusbstart, each RX URB transfer buffer is allocated with kmalloc and the URB is flagged URBFREEBUFFER so that the final usbfreeurb also free...

UBUNTU-CVE-2026-72342

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix HV VHCA stats agent registration race mlx5ehvvhcastatscreate registers the stats agent through mlx5hvvhcaagentcreate. The helper publishes the agent in hvvhca-agentstype under agentslock and immediately schedules a...

UBUNTU-CVE-2026-72177

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs-schemes: fix dir put orders in accesspatternadddirs Patch series "mm/damon/sysfs-schemes: fix wrong directories put orders in error paths". Error paths of damonsysfsaccesspatternadddirs and damonsysfsschemeadddirs...

UBUNTU-CVE-2026-72072

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: macsec: fix use-after-free of metadatadst on RX SC delete When an offloaded MACsec RX SC is deleted, macsecdelrxscctx freed the per-SC metadatadst with metadatadstfree, which kfrees the object unconditionally and ignor...

UBUNTU-CVE-2026-72324

In the Linux kernel, the following vulnerability has been resolved: gpio: mvebu: free generic chips on unbind irqallocdomaingenericchips allocates generic chip data that must be freed via irqdomainremovegenericchips. The devres action mvebugpioremoveirqdomain only called irqdomainremove, which on...

UBUNTU-CVE-2026-74256

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: fix integer overflow in bpfmsgpopdata bounds check start and len are u32, so u64 last = start + len; evaluates start + len in 32-bit and wraps before storing it in last. The bounds check if start = offset + l || las...

UBUNTU-CVE-2026-72016

In the Linux kernel, the following vulnerability has been resolved: cpu/hotplug: Fix NULL kobject warning in cpuhpsmtenable On arm64, when booting with maxcpus greater than the number of present CPUs e.g., QEMU -smp cpus=4,maxcpus=8, some CPUs are marked as 'present' but have not yet been...

UBUNTU-CVE-2026-74445

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: reject DXBINDQUERY without a DX context vmwcmddxbindquery unconditionally dereferences swcontext-dxctxnode-ctx. Userspace can trigger a NULL pointer dereference from any render-node fd by submitting an execbuf with...

UBUNTU-CVE-2026-68456

In the Linux kernel, the following vulnerability has been resolved: usb: atm: ueagle-atm: wait for pre-firmware load in .disconnect ueagle-atm uses the asynchronous requestfirmwarenowait in .probe, but does not wait for its completion, not even in .disconnect; so, if the device is unplugged...

UBUNTU-CVE-2026-74332

In the Linux kernel, the following vulnerability has been resolved: ASoC: amd: acp-sdw-sof: Bound DAI link iteration createsdwdailinks walks sofdais until it finds an entry with initialised cleared, but sofdais is allocated with exactly numends entries. If all entries are initialised, the loop...

UBUNTU-CVE-2026-74531

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: hold conn reference in abortconnsync There is theoretical UAF if the conn is freed while the hcisync task is running. Hold refcount to avoid that...

UBUNTU-CVE-2026-74504

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Fix division by zero in initializetimer A userspace-driven ALSA timer SNDUTIMER lets an unprivileged user set the backing sndtimer's hardware resolution to an arbitrary 64-bit value via SNDRVTIMERIOCTLCREATE...

UBUNTU-CVE-2026-72146

In the Linux kernel, the following vulnerability has been resolved: dmaengine: sh: rz-dmac: Move interrupt request after everything is set up Once the interrupt is requested, the interrupt handler may run immediately. Since the IRQ handler can access channel-chbase, which is initialized only afte...

UBUNTU-CVE-2026-74481

In the Linux kernel, the following vulnerability has been resolved: mm/pagereporting: use systemfreezablewq to fix UAF during suspend During PM freeze e.g. S3 suspend or S4 hibernation, device drivers like virtioballoon reset their underlying virtio devices and delete their virtqueues via...

UBUNTU-CVE-2026-74284

In the Linux kernel, the following vulnerability has been resolved: net/sched: schhfsc: Don't make class passive twice updatevf is called from two places for the same class during a single dequeue when the class's child qdisc e.g. codel/fqcodel drops its last packets while dequeuing: 1. The child...

UBUNTU-CVE-2026-72230

In the Linux kernel, the following vulnerability has been resolved: batman-adv: frag: free unfragmentable packet The caller of batadvfragsendpacket assume that the skb provided to the function are always consumed. But the pre-check for an empty payload or the zero fragment size returned an error...

UBUNTU-CVE-2026-74302

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Fix UAF in hciunregisterdev hciunregisterdev does not disable cmdtimer and ncmdtimer before the hcidev structure is freed. If a timeout fires during device teardown, the callback dereferences freed memory...

UBUNTU-CVE-2026-74510

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: mgmt: fix UAF in pair command cancellation The pairing completion and authentication failure callbacks look up the pending MGMTOPPAIRDEVICE command by walking hdev-mgmtpending. The lookup returned a command that was...

UBUNTU-CVE-2026-74457

In the Linux kernel, the following vulnerability has been resolved: can: peakusb: add bounds check for USB channel index The channel control index ctrlidx is derived from rx-len which comes directly from a device USB payload. The mask 0x0f allows values 0-15, but the array size of usbif-dev is on...

UBUNTU-CVE-2026-72175

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: fix makeuffdwphugepte prot-update race Patch series "userfaultfd/pagemap: pre-existing fixes". These are pre-existing bug fixes that were carried at the front of the userfaultfd RWP working-set-tracking series up...