UBUNTU-CVE-2026-80685

In the Linux kernel, the following vulnerability has been resolved: mm/util: don't read page2 for order-1 folios in snapshotpage snapshotpage currently reads page2 after checking nrpages 1, but it should only do so when nrpages 2. If an order-1 folio is allocated at the end of a vmemmap section,...

UBUNTU-CVE-2026-80597

In the Linux kernel, the following vulnerability has been resolved: mtd: maps: vmu-flash: fix NULL pointer dereference in initialization The mtdinfo contains a struct device, which must be linked to its parent. Without this, the initialization of the MTD fails with a NULL pointer dereference...

UBUNTU-CVE-2026-80635

In the Linux kernel, the following vulnerability has been resolved: wifi: wcn36xx: fix OOB read from short trigger BA firmware response The firmware response length is only checked against sizeofrsp 20 bytes, but when candidatecnt = 1, a 22-byte candidate struct is read at buf + 20 without...

UBUNTU-CVE-2026-80698

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix double free of wq, engine, and group structs The release callbacks for wq, engine, and group devices idxdconfwqrelease, idxdconfenginerelease, idxdconfgrouprelease each call kfree on the enclosing struct. The...

UBUNTU-CVE-2026-80676

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: use generic driveroverride infrastructure When a driver is probed through driverattach, the bus' match callback is called without the device lock held, thus accessing the driveroverride field without a lock,...

UBUNTU-CVE-2026-80593

In the Linux kernel, the following vulnerability has been resolved: hwmon: asusatk0110 Check package count before accessing element atkecpresent walks the management group package returned by the GGRP ACPI method and, for each sub-package, reads its first element: id = &obj-package.elements0; if...

UBUNTU-CVE-2026-80673

In the Linux kernel, the following vulnerability has been resolved: ntfs: bound the look-ahead attribute-list entry in ntfsexternalattrfind When resolving an attribute lookup with a non-zero @lowestvcn, ntfsexternalattrfind peeks at the next $ATTRIBUTELIST entry to decide whether to keep searchin...

UBUNTU-CVE-2026-80687

In the Linux kernel, the following vulnerability has been resolved: iommufd/viommu: Release the igroup lock on the vdevicesize error path iommufdvdeviceallocioctl takes idev-igroup-lock, then validates the driver's vdevicesize against the core structure size with a WARNONONCE. On failure that gua...

UBUNTU-CVE-2026-80694

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtkethsoc: pass eth to mtkhandleirqrx in pollcontroller mtkhandleirqrx expects a struct mtketh matching the requestirq cookie, but mtkpollcontroller incorrectly passed the netdevice . Calling ndopollcontroller with...

UBUNTU-CVE-2026-80675

In the Linux kernel, the following vulnerability has been resolved: libbpf: Reject non-exclusive metadata maps in the signed loader The loader verifies map-sha against the metadata hash in its instructions. map-sha is calculated when BPFOBJGETINFOBYFD is called on the frozen map. While the map is...

UBUNTU-CVE-2026-80704

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: use proper context for logging The same as the rest of the code, getssinfofromatombios uses calcpllcs-ctx-logger for logging. But calcpllcs-ctx is initialized only later in calcpllmaxvcoconstruct. Therefore, any...

UBUNTU-CVE-2026-80699

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic: Avoid double-deactivate of IRQs in the nested context In the nested state, the physical interrupt has already been deactivated through the HW bit in the LR. The extra deactivation would be harmless but can hit a...

UBUNTU-CVE-2026-80639

In the Linux kernel, the following vulnerability has been resolved: cxl/test: Fix fortifypanic Fix a runtime assertion in setupxormapping. Fortify complains that it is potentially overflowing the xormaps array per countedbynrmaps. Quiet the false positive by initializing @nrmaps earlier. memcpy:...

UBUNTU-CVE-2026-80666

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: sco: Fix a race condition in scosocktimeout scosocktimeout runs asynchronously and locksocksk. If the socket is closing while the timer is running, it holds the same lock locksocksk twice, leading to a deadlock. CPU 0...

CVE-2026-80646

In the Linux kernel, the following vulnerability has been resolved: ipv6: guard against possible NULL deref in in6devstatsget devgetbyindexrcu could return NULL if the original physical device is unregistered. Found by Sashiko...

CVE-2026-80630

In the Linux kernel, the following vulnerability has been resolved: net/sched: schfqcodel: Do not call qdisctreereducebacklog during peek before restoring qlen Whenever fqcodel drops packets during peek, it calls qdisctreereducebacklog. An issue arises because it calls qdisctreereducebacklog befo...

CVE-2026-80714

In the Linux kernel, the following vulnerability has been resolved: ipvs: do not propagate one-packet flag to synced conns Synced connections can be created before their destination exists. When the destination is later added, ipvsbinddest copies connection flags from the destination into cp-flag...

CVE-2026-80723

In the Linux kernel, the following vulnerability has been resolved: of: reservedmem: prevent OOB when too many dynamic regions are defined On boot, fdtscanreservedmem saves each dynamically-placed /reserved-memory subnode into a local array of size MAXRESERVEDREGIONS. If the device tree defines...

CVE-2026-80677

In the Linux kernel, the following vulnerability has been resolved: driver core: use READONCE for dev-driver in devhassyncstate devhassyncstate reads dev-driver twice without holding devicelock -- once for the NULL check and once to dereference -syncstate. Some callers only hold...

CVE-2026-80681

In the Linux kernel, the following vulnerability has been resolved: vxlan: re-fetch eth header after routeshortcircuit Before routeshortcircuit, the eth header pointer is cached from ethhdrskb. Inside routeshortcircuit, pskbmaypull can be called, which may reallocate skb-head. In this case,...