UBUNTU-CVE-2026-72225

In the Linux kernel, the following vulnerability has been resolved: jbd2: fix integer underflow in jbd2journalinitializefastcommit jbd2journalinitializefastcommit validates journal capacity by checking journal-jlast - numfcblks JBD2MINJOURNALBLOCKS. Both jlast and numfcblks are unsigned, so when...

UBUNTU-CVE-2026-72128

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix refcount leak in nvmetsqcreate In nvmetsqcreate, a reference on the ctrl is taken via krefgetunlesszero before calling nvmetchecksqid. If nvmetchecksqid fails, the function returns the error directly without releasing...

UBUNTU-CVE-2026-72246

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

UBUNTU-CVE-2026-72162

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix UBSAN array-index-out-of-bounds in ocfs2sumrightmostrec BUG On-disk corruption setting lnextfreerec to 0 in an inode's embedded extent list triggers a UBSAN panic on the next write to that file. CAUSE...

UBUNTU-CVE-2026-72013

In the Linux kernel, the following vulnerability has been resolved: riscv: Prevent NULL pointer dereference in machinekexecprepare A NULL pointer dereference issue is noticed in riscv's machinekexecprepare, where image-segmenti.buf might be NULL and copied unchecked. The NULL buf comes from...

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-2026-72029

In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: bound device offsets in the MUX downlink decoder muxdladbdecode walks a chain of aggregated datagram tables using offsets and lengths taken from the modem. firsttableindex, nexttableindex, tablelength,...

UBUNTU-CVE-2026-72264

In the Linux kernel, the following vulnerability has been resolved: fbdev: tridentfb: fix potential memory leak in tridentpciprobe In tridentpciprobe, the memory allocated for modelist using fbvideomodetomodelist is not freed in subsequent error paths. Fix that by calling fbdestroymodelist...

UBUNTU-CVE-2026-72241

In the Linux kernel, the following vulnerability has been resolved: leds: uleds: Fix potential buffer overread The name string supplied by userspace is not guaranteed to be null-terminated, so using strchr on it might result in a buffer overread. The same thing will happen when said string is use...

UBUNTU-CVE-2026-72286

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Do not allow intra-host migration/mirroring of SNP VMs The intra-host migration/mirroring feature is not fully implemented for SEV-SNP VMs. The proper migration requires additional SNP-specific state such as...

UBUNTU-CVE-2026-72048

In the Linux kernel, the following vulnerability has been resolved: ieee802154: ca8210: fix casctl leak on spiasync failure ca8210spitransfer allocates casctl with kzallocobjGFPATOMIC and relies entirely on the SPI completion callback ca8210spitransfercomplete to free it. The spiasync API only...

UBUNTU-CVE-2026-72250

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackreasm: guard macheader adjustment after IPv6 defrag nfctfrag6reasm slides the packet head forward to drop the IPv6 fragment header and then unconditionally advances skb-macheader: skb-macheader += sizeofstru...

UBUNTU-CVE-2026-72082

In the Linux kernel, the following vulnerability has been resolved: scsi: elx: efct: Fix refcount leak in efcthwioabort When efcthwreqtagalloc fails in efcthwioabort, the error path returns -ENOSPC without releasing the reference obtained via krefgetunlesszero earlier in the function. All other...

UBUNTU-CVE-2026-72223

In the Linux kernel, the following vulnerability has been resolved: nvdimm/btt: Free arena sub-allocations on discoverarenas error path Memory allocated by bttfreelistinit, bttrttinit, and bttmaplocksinit is not freed on some discoverarenas error paths. This leaks memory when arena discovery fail...

UBUNTU-CVE-2026-72078

In the Linux kernel, the following vulnerability has been resolved: Input: ims-pcu - validate control endpoint type The driver currently assumes that the first endpoint of the control interface is an interrupt IN endpoint without verifying it. A malicious device could provide a different endpoint...

UBUNTU-CVE-2026-72117

In the Linux kernel, the following vulnerability has been resolved: can: bcm: fix data race on rxstamp/rxifindex in bcmrxhandler For an rx op subscribed on all interfaces ifindex == 0, the same op is registered once in the shared per-netns wildcard filter list, so bcmrxhandler can run concurrentl...

UBUNTU-CVE-2026-72097

In the Linux kernel, the following vulnerability has been resolved: dm-verity: fix a possible NULL pointer dereference Fix a possible NULL pointer dereference dmverityloadpinisbdevtrusted if the device has no table...

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-2026-72140

In the Linux kernel, the following vulnerability has been resolved: i2c: mlxbf: Fix use-after-free in mlxbfi2cinitresource If devmplatformgetandioremapresource returns an error, mlxbfi2cinitresource frees tmpres before reading tmpres-io to get the error code. This results in a use-after-free. Sav...

UBUNTU-CVE-2026-72107

In the Linux kernel, the following vulnerability has been resolved: dm era: fix out-of-bounds memory access for non-zero start sector dm-era tracks writes in target-relative blocks, but eramap calculates the writeset block before applying the target offset. Tables with a non-zero start sector can...

UBUNTU-CVE-2026-72202

In the Linux kernel, the following vulnerability has been resolved: ntfs: avoid heap allocation for free-cluster readahead state getnrfreeclusters allocates a temporary filerastate before it publishes the precomputed free cluster count, sets NVolFreeClusterKnown, and wakes vol-freewaitq. If that...

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-2026-72256

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtcluster: reject template conntracks in hash match xtclustermt treats any non-NULL nfctget result as a fully initialized conntrack and passes it to xtclusterhash. This causes a state confusion bug when the raw table C...

UBUNTU-CVE-2026-72083

In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Fix iSCSI ISID use-after-free in REGISTER AND MOVE corescsi3emulateproregisterandmove maps the PERSISTENT RESERVE OUT parameter list with transportkmapdatasg and parses the destination TransportID with...

UBUNTU-CVE-2026-72170

In the Linux kernel, the following vulnerability has been resolved: 9p: skip nlink update in cacheless mode to fix WARNON v9fsdeccount unconditionally calls dropnlink on regular files, even when the inode's nlink is already zero. In cacheless mode the client refetches inode metadata from the serv...

UBUNTU-CVE-2026-72077

In the Linux kernel, the following vulnerability has been resolved: Input: ims-pcu - fix firmware leak in async update The firmware object was not being released if validation failed. Use freefirmware to ensure the firmware is always released...

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-2026-72057

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: preserve tcskbcb across defragmentation tcfcthandlefragments calls nfcthandlefragments without saving and restoring skb-cb. The defrag helper clears IPCB/IP6CB, which aliases the tcskbcb/qdiscskbcb control buffe...

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-2026-72091

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: reject user command submission without a command BO amdxdnadrmsubmitexecbuf passes the user-supplied command BO handle straight into amdxdnacmdsubmit with drvcmd == NULL. When the handle is AMDXDNAINVALIDBOHANDLE 0...

UBUNTU-CVE-2026-72050

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Free BPID bitmap on setup failure nixsetupbpids allocates bp-bpids with rvuallocbitmap, which uses a plain kcalloc. If any of the following devmkcalloc allocations for the BPID mapping arrays fails, the function...

UBUNTU-CVE-2026-72254

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftfib: reject fib expression on the netdev egress hook A fib expression in a netdev egress base chain dereferences nftinpkt, NULL on the transmit path, causing a NULL pointer dereference at eval. nftfibvalidate masks...

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-2026-72080

In the Linux kernel, the following vulnerability has been resolved: fs/resctrl: Fix use-after-free during unmount During unmount or failure teardown all mondata structures that contain monitoring event file private data are freed after which kernfs nodes are removed. However, the RDTDELETED flag ...

UBUNTU-CVE-2026-72046

In the Linux kernel, the following vulnerability has been resolved: gve: fix header buffer corruption with header-split and HW-GRO The DQO RX datapath programs a per-buffer-queue-descriptor headerbufaddr at post time and reads the split header back at completion time. Both the post and the read...

UBUNTU-CVE-2026-72238

In the Linux kernel, the following vulnerability has been resolved: x86/boot: Validate console=uart8250 baud rate to fix early boot hang When the baud rate is empty, 0, invalid, or overflows to 0 when stored as an int, the system will hang during early boot because of a division by zero in...

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-2026-72226

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tt: prevent TVLV OOB check overflow A TT unicast TVLV contains the number of VLANs stored in it. This number is an u16 and gets multiplied by the size of the struct batadvtvlvttvlandata 8 bytes. The size can therefore...

UBUNTU-CVE-2026-72064

In the Linux kernel, the following vulnerability has been resolved: net: mana: Sync page pool RX frags for CPU MANA allocates RX buffers from page pool fragments when fragcount is greater than 1. In that case the buffers remain DMA mapped by page pool and the RX completion path does not call...

UBUNTU-CVE-2026-72066

In the Linux kernel, the following vulnerability has been resolved: cpu: hotplug: Bound hotplug states sysfs output statesshow adds CPU hotplug state names into a single sysfs buffer using sprintf. With enough registered states, this can write past the end of the PAGESIZE buffer. Use sysfsemitat ...

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-2026-72248

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: support IPIP tunnel with direct xmit The combination of IPIP tunnel with direct xmit, eg. bridge device, breaks because no dstentry is provided to check the skb headroom and to set the iph-fragoff field. Thi...

UBUNTU-CVE-2026-72249

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: use dst in this direction when pushing IPIP header When pushing the IPIP header, the route of the other direction is used to calculate the headroom, use the route in this direction. Accessing the other tuple...

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-2026-72027

In the Linux kernel, the following vulnerability has been resolved: mm/compaction: handle freepagesprepare properly in compactionfree freepagesprepare can fail but compactionfree does not handle the failure case. Failed pages should not be added back to cc-freepages for future use, since they can...

UBUNTU-CVE-2026-72207

In the Linux kernel, the following vulnerability has been resolved: ntfs: not change 0-byte $DATA attribute to non-resident When ntfsresidentattrresize cannot grow a resident attribute in place, it retries after converting other resident attributes to non-resident to free space in the MFT recrord...

UBUNTU-CVE-2026-72216

In the Linux kernel, the following vulnerability has been resolved: remoteproc: qcom: Fix leak when custom dumpsegments addition fails Free allocated minidumpregion 'name' in qcomaddminidumpsegments when failing before adding the region to 'dumpsegments'. Otherwise, the 'name' is not tracked and ...

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-2026-72277

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Inject SEA if guest VNCR isn't normal memory When constructing an L1 VNCR mapping, KVM unconditionally uses cacheable memory attributes, even if the underlying PFN isn't memory. This gets particularly hairy if the...

UBUNTU-CVE-2026-72206

In the Linux kernel, the following vulnerability has been resolved: ntfs: validate index block header more strictly Modify ntfsindexblockinconsisent to perform stricter validation of INDEXHEADER geometry in INDX blocks, and update ntfslookupinodebyname to use that function to validate INDX blocks...