UBUNTU-CVE-2026-80701

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: enforce cursor size limits for MOB cursors vmwcursorplaneatomiccheck bounds cursor width and height only on the legacy update path; the SVGACAP2CURSORMOB path -- the default on modern hosts -- accepts any size. When t...

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-2026-80600

In the Linux kernel, the following vulnerability has been resolved: batman-adv: dat: acquire ARP hw source only after skb realloc The pskbmaypull called by batadvgetvid could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an...

UBUNTU-CVE-2026-80598

In the Linux kernel, the following vulnerability has been resolved: ntfs3: fix out-of-bounds read in decompresslznt decompresslznt does not validate array index bounds before accessing the decompression table. A corrupted NTFS3 image with invalid compressed data can trigger an out-of-bounds read...

UBUNTU-CVE-2026-80684

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix NULL dereference on AIBV allocation failure The airqivcreate can return NULL on failure, but the return value was never checked. If it fails, zdev-aibv will be NULL and fail when dereferenced in kvmzpcisetairq...

UBUNTU-CVE-2026-80710

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Fix undersized format-check buffer fmtbuffersize in dasdeckdcheckdeviceformat is declared as int, even though one of the multiplicands, sizeofstruct eckdcount, is a sizet. The expression trkcount rptmax sizeofstruct...

UBUNTU-CVE-2026-80719

In the Linux kernel, the following vulnerability has been resolved: mm: mglru: fix stale batch updates after memcg reparenting The mglru page table walker batches per-generation size deltas in walk-nrpages while walking page tables without holding the lruvec lock. The resetbatchsize later folds...

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...

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-2026-80602

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd/lbr: 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-2026-80703

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix missing authorization check in KFDIOCDBGTRAPDISABLE Prevent unauthorized termination of active GPU debug sessions. Previously, users with /dev/kfd access could terminate another process's debug session without...

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-2026-80591

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix listxattr handling of corrupted xattr entries Validate the xattr entry before reading its fields in f2fslistxattr. Return -EFSCORRUPTED when the entry is outside the valid xattr storage area instead of returning a...

UBUNTU-CVE-2026-80693

In the Linux kernel, the following vulnerability has been resolved: idpf: bound interrupt-vector register fill to the allocated array idpfgetregintrvecs fills the caller-allocated regvals array from the VIRTCHNL2OPALLOCVECTORS reply in adapter-reqvecchunks, bounding its inner loop only by the...

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-2026-80673

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-2026-80667

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: LAG, MPESW, Fix missing complete on devcom error mlx5mpeswwork returned without calling complete when mlx5laggetdevcomcomp returned NULL. A caller that queued the work and waited on mpesww-comp would block indefinitely...

UBUNTU-CVE-2026-80592

In the Linux kernel, the following vulnerability has been resolved: samples/damon/mtier: fail early if address range parameters are invalid The comment on top of struct damonregion clearly says that For any use case, @ar should be non-zero positive size. which is now verified in...

UBUNTU-CVE-2026-80659

In the Linux kernel, the following vulnerability has been resolved: mmc: vub300: defer reset until cmdmutex is unlocked vub300cmndworkthread holds cmdmutex while it sends a command and waits for the command response. If the response wait times out, vub300commandresponse kills the command URBs and...

UBUNTU-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...