UBUNTU-CVE-2026-72211

In the Linux kernel, the following vulnerability has been resolved: ntfs: grow index root value before reparent header update ntfsirreparent moves the resident index root entries into an index block and leaves a small root stub containing the child VCN. That root stub can be larger than the...

UBUNTU-CVE-2026-72034

In the Linux kernel, the following vulnerability has been resolved: fhandle: reject detached mounts in capablewrtmount The recent fhandle RCU fix moved the mount namespace capability check into capablewrtmount, so a non-NULL mntnamespace survives the nscapable dereference. The helper still assume...

UBUNTU-CVE-2026-72266

In the Linux kernel, the following vulnerability has been resolved: fbdev: vesafb: fix memory leak in vesafbprobe Since commit 73ce73c30ba9 "fbdev: Transfer video= option strings to caller; clarify ownership" the string returned from fbgetoptions is expected to be freed by the caller. But the...

UBUNTU-CVE-2026-72142

In the Linux kernel, the following vulnerability has been resolved: i2c: imx: fix locked bus on SMBus block-read of 0 atomic SMBus 3.1 6.5.7 allows a Block Read byte count of 0, but the atomic polling path rejects it as -EPROTO. Worse, it returns without a NACK+STOP: the next receive cycle has...

UBUNTU-CVE-2026-72121

In the Linux kernel, the following vulnerability has been resolved: can: bcm: add locking when updating filter and timer values KCSAN detected a simultaneous access to timer values that can be overwritten in bcmrxsetup when updating timer and filter content while bcmrxhandler, bcmrxtimeouthandler...

UBUNTU-CVE-2026-72092

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: reject command submission on devices without a submit op amdxdnacmdsubmit calls xdna-devinfo-ops-cmdsubmit unconditionally, but only aie2devops defines that callback. aie4vfops the AIE4 SR-IOV virtual function does...

UBUNTU-CVE-2026-72194

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: add depth limit to indxfindbuffer to prevent stack overflow indxfindbuffer recursively descends the B+ tree index with no depth limit. A crafted NTFS image with circular index node references causes unbounded recursion,...

UBUNTU-CVE-2026-72093

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix use-after-free in amdxdnagemdmabufmmap When vminsertpages fails, the error path calls vma-vmops-closevma which internally calls drmgemvmclose → drmgemobjectput, releasing the GEM object reference acquired at th...

UBUNTU-CVE-2026-72120

In the Linux kernel, the following vulnerability has been resolved: can: bcm: add missing rcu list annotations and operations sashiko-bot remarked the missing use of listaddrcu in bcmrx|txsetup to have a proper initialized bcmop structure when bcmprocshow traverses the bcmop's under rcureadlock. ...

UBUNTU-CVE-2026-72095

In the Linux kernel, the following vulnerability has been resolved: dma-fence: Make dmafencededuparray robust against 0-count input dmafencededuparray returns 1 when called with numfences == 0: the for-loop body never executes, j stays at 0, and the final return ++j yields 1. This contradicts bot...

UBUNTU-CVE-2026-72245

In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix device reference leak in host1xdeviceparsedt error path After deviceinitialize, the embedded struct device in struct host1xdevice should be released through the device core with putdevice. In host1xdeviceadd, if...

UBUNTU-CVE-2026-72042

In the Linux kernel, the following vulnerability has been resolved: ipmi: Fix user refcount underflow in event delivery ipmiallocrecvmsguser takes the temporary user reference owned by the receive message, and ipmifreerecvmsg drops it again. If event delivery fails after allocating receive messag...

UBUNTU-CVE-2026-72229

In the Linux kernel, the following vulnerability has been resolved: batman-adv: clean untagged VLAN on netdev registration failure When an mesh interface is registered, it creates an untagged struct batadvmeshifvlan on top of it via the NETDEVREGISTER notifier. But in this process, another receiv...

UBUNTU-CVE-2026-72215

In the Linux kernel, the following vulnerability has been resolved: MIPS: DEC: Ensure 32-bit stack location for o32 promprintf In 64-bit configurations calling any firmware entry points from a kernel thread other than the initial one will result in a situation where the stack has been placed in t...

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-2026-72086

In the Linux kernel, the following vulnerability has been resolved: scsi: xen: scsiback: Free the command tag on the TMR submit-failure path scsibackdeviceaction obtains a command tag in scsibackgetpendreq and submits a task-management request with targetsubmittmr. When targetsubmittmr fails it...

UBUNTU-CVE-2026-72113

In the Linux kernel, the following vulnerability has been resolved: can: bcm: add missing device refcount for CAN filter removal sashiko-bot remarked a problem with a concurrent device unregistration in isotp.c which also is present in the bcm.c code. A former fix for raw.c commit c275a176e4b6...

UBUNTU-CVE-2026-72149

In the Linux kernel, the following vulnerability has been resolved: dmaengine: tegra: Fix burst size calculation Currently, the Tegra GPC DMA hardware requires the transfer length to be a multiple of the max burst size configured for the channel. When a client requests a transfer where the length...

UBUNTU-CVE-2026-72209

In the Linux kernel, the following vulnerability has been resolved: ntfs: validate attribute values on lookup ntfsattrfind and ntfsexternalattrfind check that generic resident attribute values fit in their attribute records and that fixed-size resident values are large enough. For variable-length...

UBUNTU-CVE-2026-72198

In the Linux kernel, the following vulnerability has been resolved: ntfs: reject non-resident records for resident-only attributes The shared lookup-time attribute validator rejects non-resident $FILENAME and $VOLUMENAME records because their formats require resident values and callers handle...

UBUNTU-CVE-2026-72131

In the Linux kernel, the following vulnerability has been resolved: nvme-apple: Prevent shared tags across queues on Apple A11 On Apple A11, tags of pending commands must be unique across the admin and IO queues, else the firmware crashes with "duplicate tag error for tag N", with N being the tag...

UBUNTU-CVE-2026-72112

In the Linux kernel, the following vulnerability has been resolved: iouring/bpf-ops: reject re-registration of an already-bound ops ioinstallbpf only rejects a second registration on the ctx side ctx-bpfops and sets the per-map back-pointer ops-priv unconditionally. The structops link path never...

UBUNTU-CVE-2026-72220

In the Linux kernel, the following vulnerability has been resolved: sunrpc: harden rqprocinfo lifecycle to prevent double-free The svcreleaserqst function executes the callback inside rqstp-rqprocinfo-pcrelease. However, if a worker thread begins processing a new request and encounters an early...

UBUNTU-CVE-2026-72024

In the Linux kernel, the following vulnerability has been resolved: mac802154: remove interfaces with RCU list deletion Queue wake, stop, and disable paths walk local-interfaces under RCU. The bulk hardware teardown path removes entries with listdel, so an asynchronous transmit completion can...

UBUNTU-CVE-2026-72071

In the Linux kernel, the following vulnerability has been resolved: tracing/userevents: Fix use-after-free in usereventmmdup usereventmmdup walks the parent mm's enabler list locklessly under rcureadlock during fork from copyprocess; it does not take eventmutex: rcureadlock;...

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-2026-72200

In the Linux kernel, the following vulnerability has been resolved: ntfs: detect mapping-pairs LCN accumulator overflow The NTFS mapping-pairs parser accumulates relative LCN deltas in a signed integer. A corrupted attribute can drive that addition past the representable range. One corrupt runlis...

UBUNTU-CVE-2026-72141

In the Linux kernel, the following vulnerability has been resolved: i2c: imx: fix locked bus on SMBus block-read of 0 IRQ SMBus 3.1 6.5.7 allows a Block Read byte count of 0, but the interrupt-driven block-read state machine rejects it as -EPROTO. Worse, it returns without a NACK+STOP: the next...

UBUNTU-CVE-2026-72139

In the Linux kernel, the following vulnerability has been resolved: tcp: defer md5siginfo kfree past RCU grace period in tcpconnect The md5+ao reconciliation in tcpconnect net/ipv4/tcpoutput.c has two symmetric branches: if needsmd5 tcpaodestroysocksk, false; else if needsao tcpclearmd5listsk;...

UBUNTU-CVE-2026-72185

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix WARNON for resident attribute in ntfsmaprunlistnolock When ntfsmaprunlistnolock needs to look up the attribute extent containing a target VCN ctxneedsreset == true, it calls ntfsattrlookup and then expects the result to...

UBUNTU-CVE-2026-72026

In the Linux kernel, the following vulnerability has been resolved: irqchip/irq-riscv-imsic-early: Fix fwnode leak on state setup failure imsicearlyacpiinit allocates a firmware node before setting up the IMSIC state. If imsicsetupstate fails, the function returns without freeing the allocated...

UBUNTU-CVE-2026-72178

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: always put unsuccessfully committed target pids damoncommittarget puts and gets the destination and the source target pids. It puts the destination target pid because it will be overwritten by the source target pid...

UBUNTU-CVE-2026-72122

In the Linux kernel, the following vulnerability has been resolved: can: bcm: fix lockless bound/ifindex race and silent RXSETUP failure bcmsendmsg reads bo-ifindex and checks bo-bound before taking locksock, while bcmnotify, bcmconnect and bcmrelease all mutate both fields under that same lock...

UBUNTU-CVE-2026-72090

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Use caller client for debug BO sync amdxdnadrmsyncboioctl looks up args-handle in the ioctl caller's drmfile. For SYNCDIRECTFROMDEVICE, it then calls amdxdnahwctxsyncdebugbo, but passes abo-client...

UBUNTU-CVE-2026-72183

In the Linux kernel, the following vulnerability has been resolved: landlock: Fix LANDLOCKSCOPESIGNAL bypass on the SIGIO path LANDLOCKSCOPESIGNAL must prevent a sandboxed process from signaling processes outside its Landlock domain. It can be bypassed through the asynchronous SIGIO delivery path...

UBUNTU-CVE-2026-72191

In the Linux kernel, the following vulnerability has been resolved: ntfs3: validate split-point offset in indxinsertintobuffer indxinsertintobuffer computes used = used1 - tocopy - spsize; memmovedet, Add2Ptrsp, spsize, used - le32tocpuhdr1-deoff; where sp and spsize come from hdrfindsplit...

UBUNTU-CVE-2026-72283

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Nullify irqfd-producer if updating IRTE for bypass fails Nullify irqfd-producer if updating the IRTE for bypass fails, as leaving a dangling pointer will result in a use-after-free if the irqfd is reachable through KVM'...

UBUNTU-CVE-2026-72130

In the Linux kernel, the following vulnerability has been resolved: nvmet-auth: reject short AUTHRECEIVE buffers nvmetexecuteauthreceive trusts the AUTHRECEIVE allocation length after checking only that it is nonzero and matches the transfer length. In the SUCCESS1 and FAILURE1/default states, th...

UBUNTU-CVE-2026-72096

In the Linux kernel, the following vulnerability has been resolved: dm-verity: make error counter atomic The error counter "v-corruptederrs" was not atomic, thus it could be subject to race conditions. The call to dmauditlogtarget"max-corrupted-errors" may be skipped due to the races...

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-2026-72038

In the Linux kernel, the following vulnerability has been resolved: net: liquidio: fix BAR resource leak on PF number failure If cn23xxgetpfnum fails, the function returns without unmapping either BAR. Unmap both BARs before returning from the error path. Found by manual code review...

UBUNTU-CVE-2026-72103

In the Linux kernel, the following vulnerability has been resolved: dm: avoid leaking the caller's thread keyring via the table device file The refactoring in commit a28d893eb327 "md: port block device access to file" accidentally causes the caller's thread keyring to be kept alive long beyond th...

UBUNTU-CVE-2026-72012

In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Call synchronizercu when unregistering This ensures that any RCU readers traversing the instance list have finished, before releasing the reference on the tracer that the instance points to...

UBUNTU-CVE-2026-68471

In the Linux kernel, the following vulnerability has been resolved: wifi: ieee80211: validate MLE common info length ieee80211mlecommonsize uses the first common-info octet as the common information length for all known MLE types. However, ieee80211mlesizeok only validates that octet for Basic,...

UBUNTU-CVE-2026-68477

In the Linux kernel, the following vulnerability has been resolved: ipvs: fix more places with wrong ipv6 transport offsets Sashiko reports for more incorrect IPv6 transport offsets. The app code for TCP was assuming IPv4 network header even after the ipvsh argument was provided. This can cause...

UBUNTU-CVE-2026-72011

In the Linux kernel, the following vulnerability has been resolved: s390/diag: Add missing arrayindexnospec call to memtopgetpagecount 'level' is user space controlled and used to read from an array. Add the missing arrayindexnospec call to prevent speculative execution...

UBUNTU-CVE-2026-72006

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: free mlx5stidxdata on final dealloc Workloads that repeatedly allocate and release mkeys carrying TPH steering-tag hints e.g. churning RDMA MRs leak one struct mlx5stidxdata per cycle; kmemleak flags it as unreferenced...

UBUNTU-CVE-2026-72010

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: rebind mm mempolicy to effectivemems, not memsallowed Creating a child cpuset where cpuset.mems is never set leads to a div/0 when a VMA mempolicy with MPOLFRELATIVENODES rebinds in response to a CPU hotplug event...

UBUNTU-CVE-2026-68472

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: validate EHT MLE before MLD ID read cfg80211gennewie copies ML probe response elements from the parent frame when the parent EHT multi-link element has an MLD ID matching the nontransmitted BSSID index. The code...

UBUNTU-CVE-2026-68475

In the Linux kernel, the following vulnerability has been resolved: reset: sunxi: fix memory region leak on ioremap failure In sunxiresetinit, when ioremap fails, the memory region obtained via requestmemregion is not released, leading to a resource leak. Add an errmemregion label to properly...