CVE-2026-68421

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-2026-68122

In the Linux kernel, the following vulnerability has been resolved: ovpn: fix peer refcount leak in TCP error paths When either the TCP RX or TX error path calls ovpnpeerhold followed by schedulework&peer-tcp.deferdelwork, and the work item is already pending from the other path, schedulework...

CVE-2026-68129

In the Linux kernel, the following vulnerability has been resolved: gve: fix Rx queue stall on alloc failure When the system is under extreme memory pressure, page allocations can fail during the Rx buffer refill loop. If the number of buffers posted to hardware falls below a critical low thresho...

DEBIAN-CVE-2026-68087

In the Linux kernel, the following vulnerability has been resolved: HID: wacom: use GFPATOMIC in wacomwacqueueflush wacomwacqueueflush is called via the .rawevent callback wacomrawevent → wacomwacpenserialenforce → wacomwacqueueflush. For USB HID devices, this callback is invoked from hidirqin,...

UBUNTU-CVE-2026-68087

In the Linux kernel, the following vulnerability has been resolved: HID: wacom: use GFPATOMIC in wacomwacqueueflush wacomwacqueueflush is called via the .rawevent callback wacomrawevent → wacomwacpenserialenforce → wacomwacqueueflush. For USB HID devices, this callback is invoked from hidirqin,...

CVE-2026-68087

In the Linux kernel, the following vulnerability has been resolved: HID: wacom: use GFPATOMIC in wacomwacqueueflush wacomwacqueueflush is called via the .rawevent callback wacomrawevent → wacomwacpenserialenforce → wacomwacqueueflush. For USB HID devices, this callback is invoked from hidirqin,...

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 sched_ext: Don't warn on core-sched forced idle in put_prev_task_scx()

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-2026-68421 sched_ext: Don't warn on core-sched forced idle in put_prev_task_scx()

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...

EUVD-2026-55563

In the Linux kernel, the following vulnerability has been resolved: net/sched: acttunnelkey: Defer dstrelease to RCU callback Fix a race-condition use-after-free in tunnelkeyreleaseparams. The function releases the metadatadst of the old params synchronously via dstrelease while deferring the...

CVE-2026-68263

CVE-2026-68263 affects the Linux kernel’s drm/imagination component. The issue is a double call to drm_sched_entity_fini() during a two-step destruction path, causing a refcount underflow and use-after-free. Root cause: drm_sched_entity_fini() is invoked both from pvr_context_kill_queues() path a...

CVE-2026-68087

CVE-2026-68087 affects the Linux kernel HID wacom driver. The vulnerability stems from using GFP_KERNEL inside wacom_wac_queue_flush(), which is invoked from the atomic-context, URB-completion path (hid_irq_in()) via wacom_raw_event → wacom_wac_pen_serial_enforce → wacom_wac_queue_flush. Using GF...

CVE-2026-68087 HID: wacom: use GFP_ATOMIC in wacom_wac_queue_flush()

In the Linux kernel, the following vulnerability has been resolved: HID: wacom: use GFPATOMIC in wacomwacqueueflush wacomwacqueueflush is called via the .rawevent callback wacomrawevent → wacomwacpenserialenforce → wacomwacqueueflush. For USB HID devices, this callback is invoked from hidirqin,...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fixed a NULL dereference when deactivating an inactive aggregate in qfqreset. qfqclass-leafqdisc-q.qlen 0 does not imply that the class itself is active. Two qfqclass objects may point to the same leafqdisc. Th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: sched: actife: initialize struct tcife to fix KMSAN kernel-infoleak. This issue was fixed by using the syzbot tool to detect and address the KMSAN kernel-infoleak. In tcfifedump, the variable ‘opt’ was partially initialized...

Linux Distros Unpatched Vulnerability : CVE-2026-68421

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

EulerOS 2.0 SP11 : kernel (EulerOS-SA-2026-3071)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : bridge: brndsend: linearize skb before parsing ND optionsCVE-2026-31682 media: mc, v4l2: serialize REINIT and REQBUFS with...

CVE-2026-64586 wifi: brcmfmac: drain bus_reset work on device removal

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: drain busreset work on device removal brcmffwcrashed and the debugfs "reset" entry both schedule drvr-busreset, whose callback recovers drvr through containerof and dereferences it. The removal path frees drvr...

Oracle Linux 9 : kernel (ELSA-2026-49212)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-49212 advisory. - net/sched: clsapi: Handle TCACTCONSUMED in tcfqeventhandle CKI Backport Bot RHEL-213299 CVE-2026-64530 - ipc: limit nextid allocation to the valid I...