CVE-2026-64171

In the Linux kernel, the following vulnerability has been resolved: i2c: tegra: fix pmruntime leak on mutexlock failure If tegrai2cmutexlock fails, the function returns without calling pmruntimeput, leaking the runtime PM reference acquired by the preceding pmruntimegetsync. This prevents the...

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-2026-63842

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set nouserfence for JPEG v5.0.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. cherry picked from commit 0f43893d3cd478fa57836697525b338817c9c23d...

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-2026-64122

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix use-after-free in mlx5etxreportertimeoutrecover mlx5etxreportertimeoutrecover accesses sq-netdev after mlx5esafereopenchannels has torn down and freed the channel and its embedded SQs. Replace the three sq-netdev...

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-2026-64141

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in compareguidkey sessionfdcheck walks the per-inode moplist during durable-handle session teardown and sets op-conn = NULL for every opinfo whose conn matched the closing session's connection...

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-2026-63961

In the Linux kernel, the following vulnerability has been resolved: usb: typec: altmodes/displayport: validate count before reading Status Update VDO A broken/malicious device can send the incorrect count for a status update VDO, which will cause the kernel to read uninitialized stack data and se...

CVE-2026-64173

In the Linux kernel, the following vulnerability has been resolved: tracing: Do not call map-ops-eltfree if eltalloc fails In paths where tracingmapeltalloc failed to allocate objects, the map-ops-eltalloc call was never successful. In this case, map-ops-eltfree should not be called...

CVE-2026-63968

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible infinite loop in fib6selectpath Found while auditing the same pattern Sashiko reported in rt6fillnode 1. Apply the same fix as commit f8d8ce1b515a "ipv6: fix possible infinite loop in fib6infousesdev". Writers...

UBUNTU-CVE-2026-63892

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: property: Reject dirlen length u16 widened to sizet. Two distinct OOB conditions follow when entry-length uuid, ... which always reads 4 dwords from diroffset. tbpropertyentryvalid only enforces diroffset +...

UBUNTU-CVE-2026-64063

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix streaming write being overwritten In order to avoid reading whilst writing, netfslib will allow "streaming writes" in which dirty data is stored directly into folios without reading them first. Such folios are marked...

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...

UBUNTU-CVE-2026-63994

In the Linux kernel, the following vulnerability has been resolved: tunnels: load network headers after skbcow in iptunnelpmtudbuildicmpv6 Sashiko found that iptunnelpmtudbuildicmp and iptunnelpmtudbuildicmpv6 were caching iphdr and ipv6hdr before an skbcow call which can reallocate skb-head. Fix...

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...