CVE-2026-98980

In the Linux kernel, the following vulnerability has been resolved: namei: don't reveal overmounted entries in refwalk In rcuwalk the dentry is validated before it is accepted. stepinto stepinto rechecks dseq and followmountrcu rechecks mountlock. An entry that gets unlinked in between causes the...

CVE-2026-99076

In the Linux kernel, the following vulnerability has been resolved: ipv6: udp: Create exceptions before socket matching Currently, when ICMPv6 Packet Too Big and Redirect Message packets are locally delivered and quote a UDP packet, an exception is only created in the IPv6 exception cache if the...

CVE-2026-99009

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: connect the session socket without rfcommmutex An RFCOMM connect issued while a BR/EDR link is being authenticated makes lockdep report a circular dependency, and the reported cycle is a real AB/BA between...

CVE-2026-99006

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: Prevent overstepping exec array boundary It is possible for ebrelocateparseslow to call kvfree on entries outside the original exec array during following scenario inside ebrelocateparseslow: 1 ebcopyrelocations...

CVE-2026-98990

In the Linux kernel, the following vulnerability has been resolved: namespace: check a submount for references right before unmounting it shrinksubmounts and markmountsforexpiry first collect all the mounts they are allowed to unmount and then unmount them. Whether a mount is busy is decided by...

CVE-2026-99031

In the Linux kernel, the following vulnerability has been resolved: net: bridge: avoid recursive multicast port cleanup brmulticastsgdelexcludeports removes automatically added STAREXCL port groups by calling brmulticastdelpg. For S,G entries, that deletion calls back into...

UBUNTU-CVE-2026-98948

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumflower: Fix port range register leak in tmpltcreate mlxswspflowertmpltcreate parses a flowclsoffload template into a stack-local struct mlxswspaclruleinfo purely to compute rulei.values.elusage. Parsing can acquire...

UBUNTU-CVE-2026-98990

In the Linux kernel, the following vulnerability has been resolved: namespace: check a submount for references right before unmounting it shrinksubmounts and markmountsforexpiry first collect all the mounts they are allowed to unmount and then unmount them. Whether a mount is busy is decided by...

UBUNTU-CVE-2026-98978

In the Linux kernel, the following vulnerability has been resolved: namespace: never expire a locked mount Locked mounts are special. They protect the underlying files and directories from being revealed. doumount refuses to unmount locked mounts but shrinksubmounts doesn't. A shrinkable mount ca...

CVE-2026-98939

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Drop unnecessary PMD page copy when freeing On a box with a discrete GPU, lockdep reports a possible deadlock as soon as kswapd shrinks the TTM page pool. The immediate cause is an x86 commit that added an mmapreadlock to...

UBUNTU-CVE-2026-99035

In the Linux kernel, the following vulnerability has been resolved: mmc: mtk-sd: Cancel request timeout work on remove The driver queues reqtimeout while a request is active. msdcrequestdone uses canceldelayedwork, which does not wait for a timeout callback that has already started. The timeout...

CVE-2026-98972

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: Don't access cpusetcgrpsubsys.root in isinv2mode After seeing the patch 1 to guard isinv2mode with RCU, it makes me realize that isinv2mode may be called in a context where a new cgroup filesystem is being rebound...

UBUNTU-CVE-2026-99005

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Unmask interrupts only when ACTIVE is true There is a small race window between intelrpsboost reading a stale ACTIVE state and queuing rps-work, where ACTIVE may be changed via asynchronous calls triggered by wakeref...

UBUNTU-CVE-2026-98933

In the Linux kernel, the following vulnerability has been resolved: usb: hub: use shorter 120ms post resume hold for SS root hubs Holding a USB3 hub PM runtime reference for 200ms at hub resume triggers an AMD platform issue. Users running Android adb report crashes after adb has been polling and...

UBUNTU-CVE-2026-99004

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: Size page table preallocation by device address Commit 0a8224058a58 "drm/imagination: Fix page count for page table for map interface" passed the device address to pvrmmuopcontextcreate, but the preallocation is...

CVE-2026-98986

In the Linux kernel, the following vulnerability has been resolved: namespace: remove the fsnotify marks of a mount namespace in process context mntnsrelease drops the last passive reference of a mount namespace and removes its fanotify marks via fsnotifymntnsdelete. That takes the mutex of every...

UBUNTU-CVE-2026-99017

In the Linux kernel, the following vulnerability has been resolved: riscv: errata: select RISCVALTERNATIVEEARLY for THEAD GHOSTWRITE errataprobeghostwrite only marks the CPU as vulnerable when it is called at the RISCVALTERNATIVESEARLYBOOT stage, and the mitigation in ghostwriteenablemitigation...

CVE-2026-99038

In the Linux kernel, the following vulnerability has been resolved: memstick: rtsxusbms: complete requests after eject instead of dropping them memstickcheck can pass its host-removing check just before rtsxusbmsdrvremove sets eject/removing. Its next request is then silently dropped:...

UBUNTU-CVE-2026-98986

In the Linux kernel, the following vulnerability has been resolved: namespace: remove the fsnotify marks of a mount namespace in process context mntnsrelease drops the last passive reference of a mount namespace and removes its fanotify marks via fsnotifymntnsdelete. That takes the mutex of every...

UBUNTU-CVE-2026-99014

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix command skb lifetime during scan setup During PA sync scan setup, hcilesetextscanparamsync gets the address used for the PALINK lookup from hcisentcmddata. The returned pointer borrows storage from sentcmd...