UBUNTU-CVE-2026-64490

In the Linux kernel, the following vulnerability has been resolved: ALSA: virtio: Validate control metadata from the device virtio-snd control handling trusts the device-provided control type and value count returned by the device. That metadata is then used directly to index gv2atypemap in...

UBUNTU-CVE-2026-64296

In the Linux kernel, the following vulnerability has been resolved: exfat: bound uniname advance in exfatfinddirentry In exfatfinddirentry, each TYPEEXTEND file name entry advances the output pointer by a fixed amount while the loop guard only tracks the accumulated name length: if ++order == 2...

UBUNTU-CVE-2026-64319

In the Linux kernel, the following vulnerability has been resolved: nvmet-auth: validate reply message payload bounds against transfer length nvmetauthreply accesses the variable-length rval array using attacker-controlled hl hash length and dhvlen DH value length fields without verifying they fi...

UBUNTU-CVE-2026-64355

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject fragmented frames in devmap Devmap broadcast redirects clone the packet for all but the last destination. For native XDP, that clone path copies only the linear xdpframe data, while fragmented frames keep skbsharedinf...

UBUNTU-CVE-2026-64339

In the Linux kernel, the following vulnerability has been resolved: usb: misc: usbio: bound bulk IN response length to the received transfer usbiobulkmsg copies bpktlen = le16tocpubpkt-len bytes out of the bulk IN buffer usbio-rxbuf, allocated with size usbio-rxbuflen into the caller's buffer...

UBUNTU-CVE-2026-64332

In the Linux kernel, the following vulnerability has been resolved: USB: ulpi: fix memory leak on registration failure The allocated device name is never freed on early ULPI device registration failures. Fix this by initialising the device structure earlier and releasing the initial reference...

UBUNTU-CVE-2026-64341

In the Linux kernel, the following vulnerability has been resolved: USB: iowarrior: fix use-after-free on disconnect race mutexunlock may access the mutex structure after releasing the lock and therefore cannot be used to manage lifetime of objects directly unlike spinlocks and refcounts. 12 Use ...

UBUNTU-CVE-2026-64395

In the Linux kernel, the following vulnerability has been resolved: ksmbd: require source read access for duplicate extents FSCTLDUPLICATEEXTENTSTOFILE passes the source file directly to vfsclonefilerange or vfscopyfilerange without checking the SMB access mask granted to the source handle. A...

UBUNTU-CVE-2026-64312

In the Linux kernel, the following vulnerability has been resolved: crypto: pcrypt - restore callback for non-parallel fallback pcrypt installs pcryptaeaddone on the child AEAD request before trying to submit it through padata. If padatadoparallel returns -EBUSY, pcrypt falls back to calling the...

UBUNTU-CVE-2026-64309

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Do not initialize SNP for ioctlSNPCOMMIT Sashiko notes: if SEV initialization fails and KVM is actively running normal VMs, could a userspace process trigger this code path via /dev/sev ioctls e.g., SEVPDHGEN and ze...

UBUNTU-CVE-2026-64421

In the Linux kernel, the following vulnerability has been resolved: media: nxp: imx8-isi: Fix use-after-free on remove KASAN reports a slab-use-after-free in mediaentityremovelink during rmmod of imx8isi: BUG: KASAN: slab-use-after-free in mediaentityremovelink+0x608/0x650 Read of size 2 at addr...

UBUNTU-CVE-2026-64451

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix NULL pointer dereference in funcsetflag funcsetflag dereferences tr-currenttraceflags before verifying that the current tracer is actually the function tracer. When the active tracer has been switched away from...

UBUNTU-CVE-2026-64364

In the Linux kernel, the following vulnerability has been resolved: HID: multitouch: fix out-of-bounds bit access on mtioflags mtioflags is a single unsigned long, but mtprocessslot, mtreleasependingpalms and mtreleasecontacts use it as a per-slot bitmap indexed by the slot number. That slot numb...

UBUNTU-CVE-2026-64374

In the Linux kernel, the following vulnerability has been resolved: sched/rt: Have RTPUSHIPI be default off for non PREEMPTRT RT migration is done aggressively. When a CPU schedules out a high priority RT task for a lower priority task, it will look to see if there's any RT tasks that are waiting...

UBUNTU-CVE-2026-64416

In the Linux kernel, the following vulnerability has been resolved: mm: swapcgroup: fix NULL deref in lookupswapcgroupid on swapless host lookupswapcgroupid passes swapcgroupctrltype.map to swapcgroupidlookup without checking that the type was ever registered via swapcgroupswapon. On a swapless...

UBUNTU-CVE-2026-64450

In the Linux kernel, the following vulnerability has been resolved: tipc: fix out-of-bounds read in broadcast Gap ACK blocks A broadcast PROTOCOL/STATEMSG can carry a Gap ACK blocks record in its data area. tipcgetgapackblks only verifies that the record's len field is self-consistent with its...

UBUNTU-CVE-2026-64323

In the Linux kernel, the following vulnerability has been resolved: udf: validate VAT header length against the VAT inode size udfloadvat takes the virtual partition's start offset straight from the on-disk VAT 2.0 header without checking it against the VAT inode size:...

UBUNTU-CVE-2026-64505

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: function: rndis: add length check for header Add a length check for the rndis header in rndisrmhdr, to ensure that MessageType, MessageLength, DataOffset, and DataLength fields are present before they are accessed...

UBUNTU-CVE-2026-64500

In the Linux kernel, the following vulnerability has been resolved: iio: adc: lpc32xx: Initialize completion before requesting IRQ In the report from Jaeyoung Chung: "lpc32xxadcprobe in drivers/iio/adc/lpc32xxadc.c registers its interrupt handler with devmrequestirq before it initializes...

UBUNTU-CVE-2026-64380

In the Linux kernel, the following vulnerability has been resolved: smb: client: harden POSIX SID length parsing posixinfosidsize reads sid1 to obtain the subauthority count, but its existing boundary check still accepts buffers with only one remaining byte. Require two bytes before reading sid1 ...