CVE-2026-74518

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix list corruption in allocatefileregionentries allocatefileregionentries tops up resv-regioncache with freshly allocated fileregion descriptors. The allocation uses GFPKERNEL, so resv-lock is dropped around it: the...

CVE-2026-74464

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix skb leak on flow key update failure during ct ovsctexecute always steals or frees the skb on failure while ovsflowkeyupdate does not. So, if it fails and we return right away, the skb ends up leaked. Fix tha...

CVE-2026-74440

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Wait on external BO kernel fences in exec IOCTL Before arming a user job, xeexecioctl only added the VM's dma-resv KERNEL slot as a dependency. That slot covers rebinds and the kernel operations of the VM's private BOs, b...

CVE-2026-74520

In the Linux kernel, the following vulnerability has been resolved: iommu/iommufd: Fix IOPF group ownership UAF iopfgroupalloc links each last-page IOPF group into the generic IOPF pending list before invoking the domain fault handler. iommufdfaultiopfhandler also queued an accepted group in the...

CVE-2026-74525

In the Linux kernel, the following vulnerability has been resolved: net: sxgbe: free TX rings on RX allocation failure When RX descriptor ring allocation fails, initdmadescrings only frees the partially allocated RX rings and returns. The TX rings that were allocated earlier in the same function...

CVE-2026-74505

In the Linux kernel, the following vulnerability has been resolved: ALSA: 6fire: Fix UAF at error handling during probe Although 6fire driver had a few fixes for dealing with the early error handling during the probe phase, it forgot a pending URB before freeing the resources, which may lead to a...

CVE-2026-74467

In the Linux kernel, the following vulnerability has been resolved: s390/qeth: Check CAPNETADMIN for private ioctls Gate the SIOCDEVPRIVATE ioctl commands SIOCQETHADPSETSNMPCONTROL, SIOCQETHGETCARDTYPE and SIOCQETHQUERYOAT with CAPNETADMIN capable check to ensure unprivileged users cannot invoke...

UBUNTU-CVE-2026-74521

In the Linux kernel, the following vulnerability has been resolved: ksmbd: use memcmp to compare ClientGUIDs ClientGUID is a fixed-size binary value and can contain embedded NUL bytes. strncmp stops comparing at the first NUL byte, so different ClientGUID values can incorrectly be treated as equa...

UBUNTU-CVE-2026-74463

In the Linux kernel, the following vulnerability has been resolved: i2c: jz4780: Cache host clock rate at probe to prevent CCF preparelock deadlock Fix a severe AB/BA deadlock between the Common Clock Framework CCF and the I2C adapter lock, which triggers when an I2C-controlled clock generator...

UBUNTU-CVE-2026-74494

In the Linux kernel, the following vulnerability has been resolved: ksmbd: reject repeated SMB2 NEGOTIATE requests Unauthenticated client can send multiple successful SMB2 NEGOTIATE requests on one connection before SESSIONSETUP. While the connection is in KSMBDSESSNEEDSETUP, smb2handlenegotiate...

UBUNTU-CVE-2026-74501

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: fix use-after-free in umptoendpoint createmidi2ump registers a card-owned sndumpendpoint and stores a back-pointer to its per-interface sndusbmidi2ump object in ump-privatedata, but it never installs an...

UBUNTU-CVE-2026-74464

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix skb leak on flow key update failure during ct ovsctexecute always steals or frees the skb on failure while ovsflowkeyupdate does not. So, if it fails and we return right away, the skb ends up leaked. Fix tha...

UBUNTU-CVE-2026-74442

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: avoid destroyworkqueueNULL on vkms init failure Two paths through vmwvkmsinit can leave vmw-crcworkq NULL while still leaving the rest of the driver in a state that calls vmwvkmscleanup at module unload: 1...

UBUNTU-CVE-2026-74489

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix tidtx use-after-free on BA session stop ieee80211stoptxbacb hands tidtx to kfreercu through ieee80211removetidtx, and then reads tidtx-ndp after dropping sta-lock: ieee80211removetidtxsta, tid; / kfreercutidtx...

UBUNTU-CVE-2026-74476

In the Linux kernel, the following vulnerability has been resolved: veth: convert fraglist skbs before running XDP A fraglist skb can reach veth with datalen set but nrfrags zero. vethconvertskbtoxdpbuff only converts skbs that are shared, locked, have frags, or do not have enough headroom. It...

UBUNTU-CVE-2026-74546

In the Linux kernel, the following vulnerability has been resolved: hwmon: adt7470 Fix divide-by-zero TOCTOU crash in fan speed read If the fan data becomes 0 between the FANDATAVALID check and the FANPERIODTORPM conversion, it will result in a divide-by-zero crash due to a race with a concurrent...

UBUNTU-CVE-2026-74480

In the Linux kernel, the following vulnerability has been resolved: net: bridge: stop fast-leave after deleting a port group brmulticastleavegroup iterates mp-ports with pp = &p-next in its fast-leave path. After brmulticastdelpg removes p, continuing the loop advances pp through the deleted entr...

UBUNTU-CVE-2026-74483

In the Linux kernel, the following vulnerability has been resolved: binfmtmisc: don't leak the user namespace when the mount fails bmgettree takes a reference to the user namespace and hands it to gettreekeyed as the sget key. sgetfc moves that reference into sb-sfsinfo and clears fc-sfsinfo, so...

UBUNTU-CVE-2026-74511

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: mgmt: fix pending command UAF in EIR updates MGMTOPSETLOCALNAME is handled asynchronously on powered controllers and can run setnamesync. When the controller is BR/EDR capable, setnamesync updates the local name and th...

UBUNTU-CVE-2026-74515

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled The MPCIFC instruction doesn't allow registering adapter interrupts without first unregistering. So reject any request to enable interrupt forwarding if its...