CVE-2026-64164

In the Linux kernel, the following vulnerability has been resolved: btrfs: tracepoints: fix sleep while in atomic context in btrfssyncfile The trace event btrfssyncfile is called in an atomic context all trace events are and its call to dput, which is needed due to the call to dgetparent, can...

CVE-2026-63841

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set nouserfence for JPEG v5.0.1 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. cherry picked from commit 742a98e2e81702df8fe1b1eccee5223220a03dc2...

CVE-2026-64124

In the Linux kernel, the following vulnerability has been resolved: net: devmem: reject dma-buf bind with non-page-aligned size or SG length netdevmembinddmabuf trusts dmabuf-size and sgdmalen to be PAGESIZE multiples without checking: - txvec is sized dmabuf-size / PAGESIZE, and netdevmemgetniov...

CVE-2026-63918

In the Linux kernel, the following vulnerability has been resolved: l2tp: use refcountincnotzero in l2tpsessiongetbyifname A reader in l2tpsessiongetbyifname can return a pointer to a session whose refcount has reached zero. The getter takes its reference with plain refcountinc, but every other...

CVE-2026-63953

In the Linux kernel, the following vulnerability has been resolved: mm/migratedevice: fix pgtable leak in migratevmainserthugepmdpage When migratevmainserthugepmdpage jumps to unlockabort due to a PMD check failure, the pgtable allocated earlier via pteallocone is never freed, causing a memory...

CVE-2026-64159

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix zeropoint update where isize remoteisize Fix the update of the zero point by netfsreleasefolio when there is uncommitted data in the pagecache beyond the folio being released but the on-server EOF is in this folio ie...

CVE-2026-64042

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Check BAR resources before exporting a DMABUF A DMABUF exports access to BAR resources and, although they are requested at startup time, we need to ensure they really were reserved before exporting. Otherwise, it's...

CVE-2026-63854

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set nouserfence for VCN v3.0 enc/dec rings VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences. cherry picked from commit...

CVE-2026-64140

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in procshowfiles When a SMB2 client opens a file with a durable v2 handle and then issues SMB2 SESSIONLOGOFF, sessionfdcheck clears fp-tcon = NULL on the reconnectable file pointer but leaves t...

CVE-2026-63922

In the Linux kernel, the following vulnerability has been resolved: ipv6: exthdrs: refresh nh after handling HAO option ip6parsetlv caches skbnetworkheaderskb in nh while walking IPv6 TLVs. ipv6desthao may call pskbexpandhead for a cloned skb, which can move the skb head and invalidate the cached...

CVE-2026-64132

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: refresh hdr pointer before ioam6event Reported by Sashiko: In ipv6hopioam, the hdr pointer is initialized to point into the skb's linear data buffer. Later, the code calls skbensurewritable, which might reallocate the...

CVE-2026-64082

In the Linux kernel, the following vulnerability has been resolved: riscv: Fix register corruption from uninitialized cregs on error compatriscvgprset calls cregstoregs unconditionally, even when userregsetcopyin fails. Since cregs is an uninitialized stack variable, a copyin failure causes...

CVE-2026-64127

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: ecredreconfigure: send packed pdu, not stack pointer Commit 1c08108f3014 "Bluetooth: L2CAP: Avoid -Wflex-array-member-not-at-end warnings" converted the on-stack request PDU in l2capecredreconfigure from an...

CVE-2026-63986

In the Linux kernel, the following vulnerability has been resolved: ethtool: tsinfo: don't pass ERRPTR to genlmsgcancel on prepare failure The goto err label leads to: genlmsgcancelskb, ehdr; return ret; If ethnltsinfopreparedump failed, it has not started a genlmsg. There's nothing to cancel, an...

CVE-2026-63924

In the Linux kernel, the following vulnerability has been resolved: ipv6: exthdrs: refresh nh pointer after ipv6hopjumbo ipv6hopjumbo calls pskbtrimrcsum, which can change skb pointers. Let's recompute nh pointer to make sure any change won't mess things up...

CVE-2026-64079

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: allocate hook ops while under mutex arp/ip6tregistertable add the table to the per-netns list via xtregistertable before allocating the per-netns hook ops copy via kmemduparray. This leaves a window where the...

CVE-2026-63956

In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypressm8: fix memory corruption with small endpoint Make sure that the interrupt-out endpoint max packet size is at least eight bytes to avoid user-controlled slab corruption or NULL-pointer dereference should a...

CVE-2026-64002

In the Linux kernel, the following vulnerability has been resolved: ipv4: free net-ipv4.sysctllocalreservedports after unregisternetsysctltable ipv4sysctlexitnet is currently freeing net-ipv4.sysctllocalreservedports too soon. Only after unregisternetsysctltable we can be sure no threads can...

UBUNTU-CVE-2026-64003

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Run queues for all non-SDEVDEL devices from scsirunhostqueues While a SCSI host is in a recovery state, scsimqrequeuecmd will not set the requeue list for a requeued command to be kicked in the future. The expectation...

UBUNTU-CVE-2026-63946

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix UAF in isorecvframe isorecvframe reads conn-sk under isoconnlock but releases the lock before using sk, with no reference held. A concurrent isosockkill can free sk in that window, causing use-after-free on...