OESA-2026-1761 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: iommu/s390: Implement blocking domain This fixes a crash when surprise hot-unplugging a PCI device. This crash happens because during hot-unplug...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: tls: Use skdstget and dstdevrcu in getnetdevforsock. CVE-2025-40149 In the Linux kernel, the following vulnerability has been resolved: tpm2-sessions: Fix out of range indexing in namesize CVE-2025-68792 In the...

The vulnerability of the scx_ops_bypass() function in the kernel/sched/ext.c module of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the scxopsbypass function in the kernel/sched/ext.c module of the Linux operating system is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to cause a service failure...

SUSE SLES15 / openSUSE 15 : Security update for the Linux Kernel (SUSE-SU-2026:1041-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1041-1 advisory. The SUSE Linux Enterprise 15 SP6 kernel was updated to receive various security bugfixes. The following security bugs...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2023-53817: crypto: lib/mpi - avoid null pointer deref in mpicmpui bsc1254992. CVE-2024-38542: RDMA/manaib: boundary check before installing cq callbacks bsc122659...

EUVD-2026-15368

In the Linux kernel, the following vulnerability has been resolved: net/sched: actife: Fix metalist update behavior Whenever an ife action replace changes the metalist, instead of replacing the old data on the metalist, the current ife code is appending the new metadata. Aside from being...

EUVD-2026-15253

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix invalid wait context in ctxschedin Lockdep found a bug in the event scheduling when a pinned event was failed and wakes up the threads in the ring buffer like below. It seems it should not grab a wait-queue lock...

AZL-80663 CVE-2026-23371 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: sched/deadline: Fix missing ENQUEUEREPLENISH during PI de-boosting Running stress-ng --schedpolicy 0 on an RT kernel on a big machine might lead to the following WARNINGs edited. sched: DL de-boosted task PID 22725: REPLENISH fla...

AZL-80666 CVE-2026-23340 affecting package kernel for versions less than 6.6.130.1-1

In the Linux kernel, the following vulnerability has been resolved: net: sched: avoid qdiscresetalltxgt vs dequeue race for lockless qdiscs When shrinking the number of real tx queues, netifsetrealnumtxqueues calls qdiscresetalltxgt to flush qdiscs for queues which will no longer be used...

UBUNTU-CVE-2026-23311

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix invalid wait context in ctxschedin Lockdep found a bug in the event scheduling when a pinned event was failed and wakes up the threads in the ring buffer like below. It seems it should not grab a wait-queue lock...

CVE-2026-23379 net/sched: ets: fix divide by zero in the offload path

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: fix divide by zero in the offload path Offloading ETS requires computing each class' WRR weight: this is done by averaging over the sums of quanta as 'qsum' and 'qpsum'. Using unsigned int, the same integer size a...

CVE-2026-23379

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: fix divide by zero in the offload path Offloading ETS requires computing each class' WRR weight: this is done by averaging over the sums of quanta as 'qsum' and 'qpsum'. Using unsigned int, the same integer size a...

CVE-2026-23379

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: fix divide by zero in the offload path Offloading ETS requires computing each class' WRR weight: this is done by averaging over the sums of quanta as 'qsum' and 'qpsum'. Using unsigned int, the same integer size a...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which arises from the possible absence of the ENQUEUEREPLENISH flag during the degradation of the SCHEDDEADLINE...

Linux Distros Unpatched Vulnerability : CVE-2026-23378

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: actife: Fix metalist update behavior Whenever an ife action replace changes the metalist, instead of replacing the old data on the metalist, the...

CVE-2026-23371: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: sched/deadline: Fix missing ENQUEUEREPLENISH during PI de-boosting Running stress-ng --schedpolicy 0 on an RT kernel on a big machine might lead to the following WARNINGs edited. sched: DL de-boosted task PID 22725: REPLENISH fla...

CVE-2026-23378: Out-of-bounds Write

In the Linux kernel, the following vulnerability has been resolved: net/sched: actife: Fix metalist update behavior Whenever an ife action replace changes the metalist, instead of replacing the old data on the metalist, the current ife code is appending the new metadata. Aside from being...

CVE-2026-23340: Use After Free

In the Linux kernel, the following vulnerability has been resolved: net: sched: avoid qdiscresetalltxgt vs dequeue race for lockless qdiscs When shrinking the number of real tx queues, netifsetrealnumtxqueues calls qdiscresetalltxgt to flush qdiscs for queues which will no longer be used...

CVE-2026-23379: Divide By Zero

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: fix divide by zero in the offload path Offloading ETS requires computing each class' WRR weight: this is done by averaging over the sums of quanta as 'qsum' and 'qpsum'. Using unsigned int, the same integer size a...

Oracle Linux 7 : kernel (ELSA-2026-3685)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-3685 advisory. - ext4: fix use-after-free in ext4orphancleanup CVE-2022-50673 Orabug: 39036029 - Squashfs: check return result of sbminblocksize CVE-2025-38415 Orabug...