EUVD-2026-55607

In the Linux kernel, the following vulnerability has been resolved: schedext: Don't warn on core-sched forced idle in putprevtaskscx putprevtaskscx warns when a runnable task drops to a lower schedclass without SCXOPSENQLAST, on the assumption that balanceone would have kept it running. Core...

CVE-2026-68421

The CVE-2026-68421 entry concerns the Linux kernel sched_ext path. The issue arises when put_prev_task_scx() warns about a runnable task dropping to a lower sched_class without ENQ_LAST, due to core scheduling forcing idle via an SMT sibling’s core_pick path which bypasses balance_one(). The miti...

CVE-2026-68377

CVE-2026-68377 affects the Linux kernel net/sched component, specifically act_tunnel_key. The issue is a race leading to use-after-free during tunnel_key_release_params() where metadata_dst is released synchronously via dst_release() while the old params are freed with kfree_rcu(), allowing a con...

EUVD-2026-55364

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: Fix double call to drmschedentityfini Call sequence of double call: pvrcontextdestroy pvrcontextkillqueues pvrqueuekill drmschedentitydestroy drmschedentityfini // here pvrcontextput...

EUVD-2026-55343

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Fix NULL deref on schedengine alloc failure Avoid using intelcontextput before intelcontextinit in execlistscreatevirtual as the krefput inside would lead to NULL deref on the IOCTL path when schedengine allocation...

CVE-2026-68242 drm/i915/gt: Fix NULL deref on sched_engine alloc failure

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Fix NULL deref on schedengine alloc failure Avoid using intelcontextput before intelcontextinit in execlistscreatevirtual as the krefput inside would lead to NULL deref on the IOCTL path when schedengine allocation...

CVE-2026-68242

The CVE-2026-68242 entry concerns the Linux kernel's drm/i915/gt subsystem, where a NULL dereference could occur on sched_engine allocation failure due to calling intel_context_put() before intel_context_init() in execlists_create_virtual(). The issue is resolved by a fix that prevents the NULL d...

EUVD-2026-55475

In the Linux kernel, the following vulnerability has been resolved: schedext: Preserve rq tracking across local DSQ dispatch dispatchtolocaldsq can run from scxbpfdsqmovetolocal while ops.dispatch has recorded the current rq. Moving a task to a local DSQ may switch to the source or destination rq...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a reproduction example for u32classify: Bug:...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: actskbedit: fix divide-by-zero in tcfskbedithash Commit 38a6f0865796 “net: sched: support hash selecting tx queue” added support for SKBEDITFTXQSKBHASH. The inclusive range size is computed as follows: mappingmod =...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: Always remove the class from the active list before deleting it in etsqdiscchange. The vulnerability is a race condition between etsqdiscdequeue and etsqdiscchange. This causes a Use-After-Freeze UAF error on the...

Linux Distros Unpatched Vulnerability : CVE-2026-68414

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - wifi: cfg80211: cancel sched scan results work on unregister cfg80211schedscanresults can queue rdev-schedscanreswk from a driver result notification while a...

Linux Distros Unpatched Vulnerability : CVE-2026-68377

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: acttunnelkey: Defer dstrelease to RCU callback Fix a race-condition use-after-free in tunnelkeyreleaseparams. The function releases the metadatadst o...

Linux Distros Unpatched Vulnerability : CVE-2026-68138

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: serialize qdiscrtablist against concurrent get/put qdiscgetrtab and qdiscputrtab mutate the process-global singly linked list qdiscrtablist and a pla...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: Fixed a issue where partial COW operations by pedit led to corruption of the page cache. tcfpeditact calculates the COW range for skbensurewritable once before the key loop, using tcfpoffmaxhint. However, this hint...

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500137)

The remote Oracle Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-500137 advisory. - KVM: x86: Check for invalid/obsolete root after making MMU pages available Sean Christopherson Orabug: 39832946 CVE-2026-64561 - x86/bugs: Make...

EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-2971)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : USB: core: Limit the length of unkillable synchronous timeoutsCVE-2026-43428 usb: typec: ucsi: validate connector number in...

kernel security update

An update is available for kernel. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6output CVE-2025-40158 In the Linux kernel, the following vulnerability has been resolved: xfrm: Wait for RCU readers during policy netns exit CVE-2026-43091 In the Linux kernel, the following...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2026-500121)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-500121 advisory. - xfs: resample the data fork mapping after cycling ILOCK Darrick J. Wong Orabug: 39776792 CVE-2026-64600 - net/sched: fix pedit partial COW...