UBUNTU-CVE-2026-72204

In the Linux kernel, the following vulnerability has been resolved: ntfs: centalize $INDEXROOT header validation Add a dedicated helper to perform stricter validation of $INDEXROOT and use it for both directory inodes and named index inodes. This keeps the root size and header geometry checks...

UBUNTU-CVE-2026-72187

In the Linux kernel, the following vulnerability has been resolved: ntfs: avoid self-deadlock during inode eviction An attribute-list update performed while allocating clusters can drop the last reference to the temporary attribute inode. Evicting that inode drops its reference to the base inode...

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-2026-72100

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: fix a bug if the bio is out of limits If dmintegritychecklimits fails, the code would exit with DMMAPIOKILL. However, the range would be already locked at this point, and it wouldn't be unlocked, resulting in a...

UBUNTU-CVE-2026-72279

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Respect read-only PFN when mapping L1 VNCR KVM currently maps the L1 VNCR into the host stage-1 by relying entirely on the permissions of the guest stage-1. At the same time, it is entirely possible that the backi...

UBUNTU-CVE-2026-72186

In the Linux kernel, the following vulnerability has been resolved: ntfs: make system files immutable to prevent corruption When a system file such as $Bitmap is exposed via showsysfiles and written from userspace, the volume is corrupted and, because the cluster allocator scans $Bitmap through t...

UBUNTU-CVE-2026-72199

In the Linux kernel, the following vulnerability has been resolved: ntfs: validate resident index root values on lookup Resident $INDEXROOT values carry index header fields that callers consume after lookup. Some callers already validate parts of the layout before walking entries, but those check...

UBUNTU-CVE-2026-72246

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

UBUNTU-CVE-2026-72101

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: fix leaking uninitialized kernel memory If hash size is less than device's tuple size, dm-integrity is supposed to zero the remaining space. There was a bug in the code that zeroing didn't work. This commit fixes it...

UBUNTU-CVE-2026-72184

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix hole runlist memory leak in insert range error path ntfsnonresidentattrinsertrange allocates holerl before mapping the whole runlist. If ntfsattrmapwholerunlist fails, the error path drops ni-runlist.lock and returns...

UBUNTU-CVE-2026-72173

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: do not warn on seeing non-migration pmd entry Patch series "mm/hmm: A fix and a selftest", v3. Patch 1 fixes a stale warning present from the time when only migration softleaf entries were supported at the PMD...

UBUNTU-CVE-2026-72061

In the Linux kernel, the following vulnerability has been resolved: net: sit: require CAPNETADMIN in the device netns for changelink ipip6changelink operates on at most two netns, devnetdev and the tunnel link netns t-net. They differ once the device is created in or moved to a netns other than t...

UBUNTU-CVE-2026-72105

In the Linux kernel, the following vulnerability has been resolved: dm-log: fix a bitsetsize overflow on 32bit machines Commit c20e36b7631d "dm log: fix out-of-bounds write due to regioncount overflow" made sure that regioncount could fit in an unsigned int. But the bitmap memory isn't allocated...

UBUNTU-CVE-2026-72174

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: fix hugetlb self-deadlock in pagemapscanptehole A PAGEMAPSCAN ioctl requesting PMSCANWPMATCHING on a hugetlb VMA hangs the calling thread, unkillably, as soon as the scan reaches an unpopulated part of the range:...

UBUNTU-CVE-2026-72239

In the Linux kernel, the following vulnerability has been resolved: x86/virt/sev: Revert "Drop WBINVD before setting MSRAMD64SYSCFGSNPEN" Revert 99cf1fb58e68 "x86/virt/sev: Drop WBINVD before setting MSRAMD64SYSCFGSNPEN". Section 8.8 of the SNP spec says: Before invoking SNPINITEX with INITRMP se...

UBUNTU-CVE-2026-72221

In the Linux kernel, the following vulnerability has been resolved: sunrpc: wait for in-flight TLS handshake callback when cancel loses race When waitforcompletioninterruptibletimeout in svctcphandshake returns 0 timeout or -ERESTARTSYS signal and tlshandshakecancel then returns false,...

UBUNTU-CVE-2026-72284

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ignore pending PV EOI if the vCPU has since disabled PV EOIs Ignore KVM's internal "service pending PV EOI" request if the vCPU has disabled PV EOIs since the request was made. Asserting that PV EOIs are enabled can fai...

UBUNTU-CVE-2026-72132

In the Linux kernel, the following vulnerability has been resolved: NFS: Charge unstable writes by request size, not folio size nfsfoliomarkunstable and nfsfolioclearcommit charge and uncharge NRWRITEBACK/WBWRITEBACK by folionrpagesfolio once per request added to or removed from a commit list. Th...

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-2026-72096

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-2026-72194

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-2026-72037

In the Linux kernel, the following vulnerability has been resolved: net: lan743x: Initialize ethsyslock spinlock before use lan743xhardwareinit calls pci11x1xstrapgetstatus during the PCI11x1x probe sequence. That helper acquires the Ethernet subsystem hardware lock via lan743xhssyslockacquire,...

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...