UBUNTU-CVE-2026-72364

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix writeback error handling Fix the error handling in writebackiter loop. If an error occurs, writebackiter needs to be called again with error set to the error so that it can clean up iteration state. Further, the curren...

UBUNTU-CVE-2026-72380

In the Linux kernel, the following vulnerability has been resolved: xen/pvcalls: bound backend response reqid before indexing rsp pvcallsfronteventhandler takes reqid directly from the backend-supplied ring response and uses it to index the fixed-size bedata-rsp array for a memcpy and a store, wi...

UBUNTU-CVE-2026-72412

In the Linux kernel, the following vulnerability has been resolved: s390/mm: Fix handling of PAGEUNUSED pte bit The PAGEUNUSED softbit should not really be lying around. Its sole purpose is to signal to trytounmapone and trytomigrateone that the page can be discarded instead of being moved /...

UBUNTU-CVE-2026-72457

In the Linux kernel, the following vulnerability has been resolved: apparmor: fail policy unpack on accept2 allocation failure unpackpdb may need to allocate a missing ACCEPT2 table for older policy data. If that allocation failed, it set an error message but jumped to the success path, returning...

UBUNTU-CVE-2026-74385

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: check return value of nvmettcpsetqueuesock The return value of nvmettcpsetqueuesock is currently ignored in nvmettcptlshandshakedone. If it fails e.g., due to the socket not being in TCPESTABLISHED state, the socket...

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-2026-72378

In the Linux kernel, the following vulnerability has been resolved: afs: Fix error code in afsextractvladdrs The error codes on these paths are only set on the first iteration through the loop. Set the correct error code on every iteration...

UBUNTU-CVE-2026-72359

In the Linux kernel, the following vulnerability has been resolved: drm/xe: fix NPD in bomeminfo When a buffer object is purged, its ttm.resource is set to NULL via the TTM pipeline gutting flow. However, the BO remains in the client's object list until userspace explicitly closes the GEM handle...

UBUNTU-CVE-2026-72356

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix missing credit release on failure in cifsissueread Fix missing release of credits in the failure path in cifsissueread lest retrying the subreq just overwrites the credits value...

UBUNTU-CVE-2026-72319

In the Linux kernel, the following vulnerability has been resolved: ipvs: ensure inner headers in ICMP errors are in headroom Sashiko points out that after stripping the outer headers with pskbpull we should ensure the inner IP headers in ICMP errors from tunnels are present in the skb headroom f...

UBUNTU-CVE-2026-72462

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix race in unix socket mediation when peerpath is used The holding a reference to the peersk is not enough to ensure access to the peer sk path. Accessing the path outside of the state lock allows for a race with...

UBUNTU-CVE-2026-72501

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxtre: Initialize dpi variable to zero dpi is initialized only for BNXTREALLOCWCPAGE, but copied for all the cases. So initialize the dpi to 0...

UBUNTU-CVE-2026-74405

In the Linux kernel, the following vulnerability has been resolved: OPP: Fix race between OPP addition and lookup A race exists between devpmoppadddynamic and devpmoppfindfreqexact: CPU0 add CPU1 lookup ------------------------------- ------------------------------ oppadd mutexlock...

UBUNTU-CVE-2026-72429

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: fix type confusion of dstentry IOAM uses a dummy dstentrynulldst to mark that the destination should not be changed after the transformation. This dst is stored in the IOAM lwt state and may be passed to dstcachesetip...

UBUNTU-CVE-2026-74279

In the Linux kernel, the following vulnerability has been resolved: crypto: cavium/cpt - fix DMA cleanup using wrong loop index The sgcleanup error path used listi instead of listj when unmapping DMA buffers, leaking successfully mapped entries and repeatedly unmapping the failed one...

UBUNTU-CVE-2026-72430

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix nfconnlabels leak on two error paths tcfctfillparams calls nfconnlabelsget setting putlabels when TCACTLABELS is present, but two later error sites use a bare return instead of "goto err", skipping the err:...

UBUNTU-CVE-2026-72422

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of conn-preauthinfo in concurrent SMB2 NEGOTIATE conn-preauthinfo is shared connection state struct preauthintegrityinfo, kmalloc-96 that is allocated and freed by the SMB2 NEGOTIATE handler and read by...

UBUNTU-CVE-2026-72311

In the Linux kernel, the following vulnerability has been resolved: drm/xe: free madvise VMA array on L2 flush failure xevmmadviseioctl allocates madviserange.vmas in getvmas. After getvmas succeeds with at least one VMA, error paths must go through freevmas so the array is released before the...

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-2026-72102

In the Linux kernel, the following vulnerability has been resolved: dmearlycreate: fix freeing used table on dmresume failure If dmresume fails, the kernel attempts to free table with dmtabledestroy, but the table was already instantiated with dmswaptable. This commit skips the call to...

UBUNTU-CVE-2026-72166

In the Linux kernel, the following vulnerability has been resolved: net/9p: fix infinite loop in p9clientrpc on fatal signal When p9clientrpc is called with type P9TFLUSH and the transport has no peer e.g. fd transport backed by pipes with no 9p server, a fatal signal causes an infinite loop:...

UBUNTU-CVE-2026-72219

In the Linux kernel, the following vulnerability has been resolved: lockd: Plug nlmfile leak when nlmdofopen fails A client can repeatedly drive nlmdofopen failures by presenting file handles that the underlying export rejects. After kzallocobj succeeds in nlmlookupfile, the freshly allocated...

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-2026-72247

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconncount: fix zone comparison in tuple dedup The "already exists" dedup logic in nfconncountadd decides whether a connection has already been counted and can be skipped instead of incrementing the connlimit count. I...

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-2026-72025

In the Linux kernel, the following vulnerability has been resolved: s390/monwriter: Reject buffer reuse with different data length When data buffers are reused, e.g. for interval sample records, the first record determines the data length, and the size of the buffer for user copy. Current monwrit...

UBUNTU-CVE-2026-72129

In the Linux kernel, the following vulnerability has been resolved: nvmet-rdma: handle inline data with a nonzero offset nvmetrdmauseinlinesg maps the host-controlled inline data offset into the per-command inline scatterlist. The bounds check admits any offset with off + len offset = off;...

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-2026-72224

In the Linux kernel, the following vulnerability has been resolved: nvdimm/btt: Free arenas on bttinit error paths The arenas allocated by discoverarenas or createarenas are not freed on some error paths in bttinit. This leaks memory when BTT initialization fails. Call freearenas from the affecte...

UBUNTU-CVE-2026-72147

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dw-edma-pcie: Reject devices without driver data dwedmapcieprobe treats the PCI device ID driverdata as the template for the controller layout and copies it unconditionally. A device bound dynamically via sysfs can mat...

UBUNTU-CVE-2026-72237

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd/brs: Fix kernel address leakage A user-only branch stack can contain branches that originate from the kernel. As a result, kernel addresses are exposed to user space even when PERFSAMPLEBRANCHUSER is requested. On AM...

UBUNTU-CVE-2026-72098

In the Linux kernel, the following vulnerability has been resolved: dm-verity: fix buffer overflow in FEC calculation There's a buffer overflow in dm-verity-fec: if neras && neras fec-roots fio-erasuresneras++ = i; This allows neras to reach roots + 1 the post-increment pushes it past roots. This...

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-2026-72053

In the Linux kernel, the following vulnerability has been resolved: net: ipip: require CAPNETADMIN in the device netns for changelink ipipchangelink 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-2026-72189

In the Linux kernel, the following vulnerability has been resolved: ntfs: fail attrlist updates when the superblock is inactive genericshutdownsuper clears SBACTIVE before evicting cached inodes. If eviction selects the fake inode for a base inode's unnamed $ATTRIBUTELIST attribute,...

UBUNTU-CVE-2026-72020

In the Linux kernel, the following vulnerability has been resolved: ipvs: reset full ipvsseq structs in ipvsconnnew Commit 9a05475cebdd "ipvs: avoid kmemcachezalloc in ipvsconnnew" changed ipvsconnnew to allocate an ipvsconn object with kmemcachealloc. The function then initializes many fields...

UBUNTU-CVE-2026-72109

In the Linux kernel, the following vulnerability has been resolved: net: sparx5: unregister blocking notifier on init failure sparx5registernotifierblocks registers the switchdev blocking notifier before allocating the ordered workqueue. If the workqueue allocation fails, the error path unregiste...

UBUNTU-CVE-2026-72259

In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8192: Release reserved memory on cleanup The MT8192 AFE probe calls ofreservedmemdeviceinit and falls back to preallocated buffers when no reserved memory region is available. When the reserved memory assignment...

UBUNTU-CVE-2026-72262

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc3-control: Fix heap overflow in bytesext put/get The ipccontroldata buffer is allocated as kzallocmaxsize, where maxsize covers the entire struct sofipcctrldata including its flexible array payload. However, the...

UBUNTU-CVE-2026-72231

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tt: avoid request storms during pending request batadvsendttrequest allocates a ttreqnode when none exists for the destination originator node. This should prevent that a multiple TT requests are send at the same time...

UBUNTU-CVE-2026-72108

In the Linux kernel, the following vulnerability has been resolved: dm thin metadata: fix metadata snapshot consistency on commit failure reservemetadatasnap and releasemetadatasnap modify the superblock's heldroot directly in the blockmanager's buffer. If the subsequent metadata commit fails, th...

UBUNTU-CVE-2026-72154

In the Linux kernel, the following vulnerability has been resolved: openrisc: Fix jumplabel smp syncing The original commit 8c30b0018f9d "openrisc: Add jump label support" copies from arm64 and does not properly consider how icache invalidation on remote cores works in OpenRISC. On OpenRISC remot...

UBUNTU-CVE-2026-72192

In the Linux kernel, the following vulnerability has been resolved: ntfs3: bound tomove in indxinsertintoroot before hdrinserthead indxinsertintoroot promotes a full resident $INDEXROOT into $INDEXALLOCATION and copies all non-last resident root entries into a newly allocated INDEXBUFFER via...

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-2026-72043

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fix missing dirty page tracking in pte,pmdwrprotect When hardware page table walker PTW is enabled on LoongArch, the CPU may set PAGEDIRTY directly in the page table entry during a write TLB miss, without going through...

UBUNTU-CVE-2026-72227

In the Linux kernel, the following vulnerability has been resolved: batman-adv: mcast: avoid OOB read of numdests header Before the access to struct batadvtvlvmcasttracker's numdests, it is attempted to check whether enough space is actually in the network header. But instead of using offsetofend...

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-2026-72016

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-2026-72155

In the Linux kernel, the following vulnerability has been resolved: mtd: spi-nor: swp: Improve locking user experience In the case of the first block being locked or the few first blocks, if the user want to fully unlock the device it has two possibilities: - either it asks to unlock the entire...

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...