CVE-2026-80887

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: use checkaddoverflow for shader size+offset bound vmwshaderdefine validates the user-supplied shader window against its backing buffer with u64buffer-tbo.base.size guestmemoryoffset and forwarded to host SVGA...

CVE-2026-80888

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: drop dmabuf reference on foreign-fd prime import ttmprimefdtohandle returns -ENOSYS when the imported fd's dmabuf-ops do not match the ttmobjectdevice's ops, but does so without releasing the reference acquired by...

CVE-2026-80893

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix swap entry corruption when clearing uffd-wp at fork copyhugetlbpagerange clears the uffd-wp bit of migration and hwpoison entries with hugepteclearuffdwp, which operates on the present-PTE bit position. Swap entri...

CVE-2026-80903

In the Linux kernel, the following vulnerability has been resolved: drm/xe/oa: Fix sync entry leak on OA config emit failure xeoaemitoaconfig releases the sync entries and the syncs array only on its success path. When it fails before the point of no return fence allocation, config buffer...

UBUNTU-CVE-2026-80904

In the Linux kernel, the following vulnerability has been resolved: net/tls: Fail tlsswspliceread after a failed async decrypt When an async decrypt fails, tlsdecryptdone records the error in ctx-asyncwait.err and calls tlserrabort, which stores it in skerr. tlsswrecvmsg and tlsswreadsock each re...

UBUNTU-CVE-2026-80887

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: use checkaddoverflow for shader size+offset bound vmwshaderdefine validates the user-supplied shader window against its backing buffer with u64buffer-tbo.base.size guestmemoryoffset and forwarded to host SVGA...

UBUNTU-CVE-2026-80894

In the Linux kernel, the following vulnerability has been resolved: iommufd: Fix wrong hwpt passed to iommufdautoresponsefaults on replace iommufdhwptreplacedevice calls: iommufdautoresponsefaultshwpt, oldhandle; passing the new hwpt together with the handle of the device's old domain. This shoul...

UBUNTU-CVE-2026-80896

In the Linux kernel, the following vulnerability has been resolved: mshv: Fix race in mshvirqfddeassign mshvirqfddeactivate and the hlist traversal of ptirqfdslist require pt-ptirqfdslock to be held, but mshvirqfddeassign omits it. This races with the EPOLLHUP path in mshvirqfdwakeup, which does...

UBUNTU-CVE-2026-80899

In the Linux kernel, the following vulnerability has been resolved: erofs: remove fscache backend entirely EROFS over fscache was introduced to provide image lazy pulling functionality. After the feature landed, the fscache subsystem made netfs a new hard dependency, which is unexpected for a loc...

UBUNTU-CVE-2026-80898

In the Linux kernel, the following vulnerability has been resolved: netfs: clear PGprivate2 on copy-to-cache append failure netfspgpriv2copytocache marks the folio with PGprivate2 before netfspgpriv2copyfolio appends it to the copy-to-cache rolling buffer. If the append fails, the folio is not...

UBUNTU-CVE-2026-80888

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: drop dmabuf reference on foreign-fd prime import ttmprimefdtohandle returns -ENOSYS when the imported fd's dmabuf-ops do not match the ttmobjectdevice's ops, but does so without releasing the reference acquired by...

UBUNTU-CVE-2026-80893

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix swap entry corruption when clearing uffd-wp at fork copyhugetlbpagerange clears the uffd-wp bit of migration and hwpoison entries with hugepteclearuffdwp, which operates on the present-PTE bit position. Swap entri...

UBUNTU-CVE-2026-80891

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Validate AIBV and AISB before pinning guest pages The AIBV holds one bit per MSI-X vector for a given function. The size of the bit vector is derived from the NOI and the AIBVO. If the size of the AIBV exceeds a...

UBUNTU-CVE-2026-80892

In the Linux kernel, the following vulnerability has been resolved: erofs: cap LZMA stream pool size fs/erofs/decompressorlzma.c sizes the module-global MicroLZMA stream pool from numpossiblecpus when the lzmastreams module parameter is unset, then zerofsloadlzmaconfig preallocates one...

UBUNTU-CVE-2026-80895

In the Linux kernel, the following vulnerability has been resolved: mshv: Order ptvparray publish against irqfd assertion path mshvpartitionioctlcreatevp initialises a VP struct allocations, mutexinit, initwaitqueuehead, page mappings and then publishes the pointer into partition-ptvparray. Sever...

UBUNTU-CVE-2026-80900

In the Linux kernel, the following vulnerability has been resolved: ASoC: SDCA: Make UMP message size check more robust If message offset was larger than the buffer length the size check will pass incorrectly. Refactor the check such that it is more robust to invalid sizes...

UBUNTU-CVE-2026-80889

In the Linux kernel, the following vulnerability has been resolved: can: isotp: fix timer drain order, wakeup handling and txgen ordering This patch is a follow-up to commit cf070fe33bfb "can: isotp: serialize TX state transitions under so-rxlock" which addresses following sashiko-bot findings: -...

CVE-2026-80881

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix buffer head management in ocfs2readblocks In ocfs2readblocks, caller should't assume that buffer head returned by 'sbgetblk' is exclusively owned and so 'putbh' always drops bcount from 1 to 0. If it is not so, buffer...

UBUNTU-CVE-2026-80881

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix buffer head management in ocfs2readblocks In ocfs2readblocks, caller should't assume that buffer head returned by 'sbgetblk' is exclusively owned and so 'putbh' always drops bcount from 1 to 0. If it is not so, buffer...

UBUNTU-CVE-2026-80883

In the Linux kernel, the following vulnerability has been resolved: drm/tegra: gr2d/gr3d: Initialize address register map before HOST1X client is registered The host1xclientregister function is called just prior to register map initialization loop, making the device available to userspace. This m...