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-2026-72406

In the Linux kernel, the following vulnerability has been resolved: net: sungem: fix probe error cleanup geminitone calls gemremoveone when registernetdev fails. gemremoveone unregisters and frees resources owned by the netdevice, including the DMA block, MMIO mapping, PCI regions, and the...

UBUNTU-CVE-2026-72496

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxtre: Proper rollback if the ioremap fails bnxtqpliballocdpi returns success even if ioremap fails. Add the proper rollback when the ioremap fails and return -ENOMEM status...

UBUNTU-CVE-2026-74290

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsflow: Dont expose folded kernel pointers The flow classifier falls back to addrfold for fields that are missing from packet headers. In map mode, userspace controls mask, xor, rshift, addend and divisor, and can...

UBUNTU-CVE-2026-72295

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Validate irqchip index in irqfd routing Sashiko reported that the irqchip index is not validated for LoongArch. Add validation and reject out-of-range irqchip indexes to avoid indexing past the routing table's chi...

UBUNTU-CVE-2026-72369

In the Linux kernel, the following vulnerability has been resolved: minix: avoid overflow in bitmap block count calculation minixchecksuperblock uses minixblocksneeded to verify that the on-disk imap and zmap block counts are large enough for the advertised inode and zone counts. The helper...

UBUNTU-CVE-2026-72376

In the Linux kernel, the following vulnerability has been resolved: afs: Fix misplaced inc of net-cellsoutstanding Fix net-cellsoutstanding being incremented before the check for failure of idralloccyclic, leaving the count incremented on error...

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-2026-72432

In the Linux kernel, the following vulnerability has been resolved: tpmcrb: Check ACPICOMPANION against NULL during probe Every platform driver can be forced to match a device that doesn't match its list of device IDs because of devicematchdriveroverride, so platform drivers that rely on the...

UBUNTU-CVE-2026-72490

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix stainfo check in rtwaesdecrypt The null-pointer-guard was incorrect, returning FAIL on valid pointer. Invert the guard, so it returns FAIL on invalid pointer...

UBUNTU-CVE-2026-72494

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Replace waitqueue and flag with completion The driver previously used a waitqueue along with an explicit requestdone flag, but without proper barriers around requestdone. An earlier patch by Gui-Dong Han attempted to...

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-2026-74269

In the Linux kernel, the following vulnerability has been resolved: bnxt: fix head underflow on XDP head-grow The xdp.py test testxdpnativeadjstheadgrowdata crashes when run on a bnxt machine and also crashes in NIPA. It seems that the bug is an underflow in bnxtrxmultipageskb, which builds the s...

UBUNTU-CVE-2026-74281

In the Linux kernel, the following vulnerability has been resolved: tipc: reject inverted service ranges from peer bindings tipcupdatenametbl inserts a binding advertised by a peer node using the lower and upper service-range bounds taken directly from the wire, without checking that lower upper ...

UBUNTU-CVE-2026-74287

In the Linux kernel, the following vulnerability has been resolved: sctp: validate embedded address parameter length sctpverifyasconf and sctpverifyparam only validate ADDIP, DELIP, and SETPRIMARY parameters against a fixed minimum size of sizeofstruct sctpaddipparam + sizeofstruct sctpparamhdr...

UBUNTU-CVE-2026-72366

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfscreatewritereq to handle async cache object creation netfscreatewritereq will skip caching if the fscache cookie is disabled, but this is a problem because async cache object creation might not have got far enough...

UBUNTU-CVE-2026-72495

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxtre: Avoid repeated requests to allocate WC pages Applications can request multiple WC pages for the same ucontext. As of now, only 1 WC page per ucontext is supported. Add a lock to avoid concurrent access and a check to...

UBUNTU-CVE-2026-72291

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix unlikely race in trygetlockedpte Fix an unlikely race in trygetlockedpte, which could have happened if puds or pmds get unmapped between the p?dpget and p?doffset functions...

UBUNTU-CVE-2026-72381

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of fp-owner.name in durable handle owner check Two concurrent SMB2 durable reconnects DH2C/DHnC on the same persistentid race the fp-owner.name compare-read in ksmbdvfscomparedurableowner against the kfr...

UBUNTU-CVE-2026-74257

In the Linux kernel, the following vulnerability has been resolved: sockmap: Fix use-after-free in udpbpfrecvmsg syzbot reported use-after-free of struct skmsg in skmsgrecvmsg. 0 skmsgrecvmsg peeks skmsg from psock-ingressmsg under a lock, but its processing is lockless. Thus, skmsgrecvmsg must b...

UBUNTU-CVE-2026-74280

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

UBUNTU-CVE-2026-74380

In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix iommumapsgtable return value check Commit "iommu: return full error code from iommumapsgatomic" changed iommumapsgtable to return an ssizet and negative values in error cases, rather than a sizet and a zero. pinj...

UBUNTU-CVE-2026-74393

In the Linux kernel, the following vulnerability has been resolved: drm/syncobj: Fix memory leak in drmsyncobjfindfence Commit 18226ba52159 "drm/syncobj: reject invalid flags in drmsyncobjfindfence" forgot to take into account the fact that drmsyncobjfind takes a reference to syncobj and returns...

UBUNTU-CVE-2026-74398

In the Linux kernel, the following vulnerability has been resolved: ipv6: addrconf: bail out of dadfailure when state is no longer POSTDAD addrconfdadfailure transitions ifp-state from DAD to POSTDAD via addrconfdadend, which drops ifp-lock on return. The lock is re-acquired after...

UBUNTU-CVE-2026-74399

In the Linux kernel, the following vulnerability has been resolved: evm: terminate and bound the evmxattrs read buffer evmreadxattrs allocates size + 1 bytes, fills them from the list of enabled xattrs, and then passes strlentemp to simplereadfrombuffer. When no configured xattrs are enabled, the...

UBUNTU-CVE-2026-74353

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: always resumeall after suspendall Need to restore any good queues even if the suspendall failed for some. Always run removequeue as that will schedule a GPU reset is removing the queue fails. v2: move resumeall after...

UBUNTU-CVE-2026-74362

In the Linux kernel, the following vulnerability has been resolved: ext2: fix ignored return value of genericwritesync Fix ext2diowriteiter to propagate the error returned by genericwritesync instead of silently discarding it, which could cause write2 to return success to userspace on OSYNC/ODSYN...

UBUNTU-CVE-2026-74369

In the Linux kernel, the following vulnerability has been resolved: liveupdate: fix u-a-f in luofileunpreservefiles and luofilefinish In luofileunpreservefiles and luofilefinish, reorder moduleput and xaerase to ensure the file handler module remains pinned while its operations are being accessed...

UBUNTU-CVE-2026-74378

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix TOCTOU heap overflow in getsrqwqe getsrqwqe reads wqe-dma.numsge from the shared receive queue buffer, which is mapped into userspace. It validates numsge against maxsge, but then re-reads the same field to calculat...

UBUNTU-CVE-2026-74406

In the Linux kernel, the following vulnerability has been resolved: vxlan: Fix potential null-ptr-deref in vxlangropreparereceive. udptunnelsockrelease could set sk-skuserdata to NULL while vxlangropreparereceive is running. Let's check if rcudereferenceskuserdata is NULL after skbgroremcsuminit...

UBUNTU-CVE-2026-74315

In the Linux kernel, the following vulnerability has been resolved: lockd: Avoid hashing uninitialized bytes in nlm4svclookupfile filehash digests the first LOCKDFHHASHSIZE bytes of nfsfh.data when bucketing nlmfiles, independent of fh.size. Commit 3de744ee4e45 "lockd: Use xdrgen XDR functions fo...

UBUNTU-CVE-2026-74320

In the Linux kernel, the following vulnerability has been resolved: fbdev: sm501fb: Fix buffer errors in OF binding code The code that gets the frame buffer mode from OF has 'use after free', 'buffer overrun' and memory leaks. info-ediddata isn't free if the probe functions fail or if pd-defmode ...

UBUNTU-CVE-2026-74326

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: fix resource leak in probe error path When pcimiomapregion or devmkmemdup fail, the code returns directly without cleaning up previously allocated resources: - mt76device allocated by mt76allocdevice - pci irq...

UBUNTU-CVE-2026-74343

In the Linux kernel, the following vulnerability has been resolved: kernfs: fix xattr race condition with multiple superblocks Multiple superblocks with different namespaces can share the same kernfsnode when kernfstestsuper finds a matching root but different namespace. This means multiple inode...

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-2026-74428

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix double unlock in rxrpcrecvmsg Fix a double unlock in rxrpcrecvmsg when dealing with OOB messages...

UBUNTU-CVE-2026-74346

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix OOB read during CQ MR registration Sashiko pointed out an unrelated bug during a previous patch: https://sashiko.dev//patchset/20260512183852.614045-1-jmoroni%40google.com This change fixes the bug by eliminating...

UBUNTU-CVE-2026-74350

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate fast symlink target during inode read ocfs2validateinodeblock already rejects several inconsistent self-contained dinodes before they are exposed to the rest of the filesystem. Fast symlinks need the same treatmen...

UBUNTU-CVE-2026-74360

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject exclusive maps for bpfmapelem iterators Exclusive maps aka exclproghash are meant to be reachable only from the single program whose hash matches. This is enforced by checkmapprogcompatibility when the map is referenc...

UBUNTU-CVE-2026-74361

In the Linux kernel, the following vulnerability has been resolved: nvme: fix FDP fdpcidx bounds check The fdpcidx bounds check sets n = NUMFDPC + 1 but used instead of =, incorrectly accepting fdpidx when it equals n i.e. NUMFDPC + 1...

UBUNTU-CVE-2026-72354

In the Linux kernel, the following vulnerability has been resolved: ntfs: avoid stale runlist element dereference in MFT writeback ntfswritemftblock maps each $MFT record through the $MFT data runlist. For sub-folio clusters it looks up a struct runlistelement under ni-runlist.lock, drops the loc...

UBUNTU-CVE-2026-72442

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: fix and simplify IP6IP6 tunnel handling Fix nfflowip6tunnelproto to use pskbmaypull instead of skbheaderpointer to ensure the outer IPv6 header is in the skb headroom, which is required for subsequent packet...

UBUNTU-CVE-2026-72482

In the Linux kernel, the following vulnerability has been resolved: gpib: fix double decrement of descriptorbusy in commandioctl commit d1857f8296dc "gpib: fix use-after-free in IO ioctl handlers" introduced a descriptorbusy reference counter to pin struct gpibdescriptor across IO ioctl operation...

UBUNTU-CVE-2026-72497

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxtre: Add a max slot check for SQ The variable WQE mode must be validated against the maximum slots supported by HW. The max supported value is 64K. Adding a max and min check and fail if user supplied value is more than t...

UBUNTU-CVE-2026-74288

In the Linux kernel, the following vulnerability has been resolved: net: fibrules: Don't dump dying fibrule in fibrulesdump. rockerrouterfibevent calls fibruleget during RCU dump. If the fibrule is dying, refcountinc will complain about it. Let's call refcountincnotzero in fibrulesdump...

UBUNTU-CVE-2026-74291

In the Linux kernel, the following vulnerability has been resolved: ASoC: topology: Check PCM and DAI name strings before use Topology objects store several PCM and DAI names in fixed-size UAPI arrays. Other topology parser paths validate these fields with bounded strnlen checks before using them...

UBUNTU-CVE-2026-74297

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix undefined shift of user RQ WQE size setrqsize computes the RQ WQE size as "1 rqwqeshift" based on the user-provided rqwqeshift, which is only checked to be greater than 32, so shifts of 32 are still accepted. A shi...

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-2026-74327

In the Linux kernel, the following vulnerability has been resolved: vmalloc: fix NULL pointer dereference in isvmareahugepages findvmarea can return NULL if the given address is not a valid vmalloc area. Check the return value before dereferencing it to avoid a kernel crash...

UBUNTU-CVE-2026-74370

In the Linux kernel, the following vulnerability has been resolved: liveupdate: fix TOCTOU race in luosessionretrieve Extend the scope of the rwsemread lock in luosessionretrieve to overlap with the acquisition of the session mutex. This prevents a concurrent thread from releasing and freeing the...