CVE-2026-23248 perf/core: Fix refcount bug and potential UAF in perf_mmap

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix refcount bug and potential UAF in perfmmap Syzkaller reported a refcountt: addition on 0; use-after-free warning in perfmmap. The issue is caused by a race condition between a failing mmap setup and a concurrent mm...

CVE-2026-23248 perf/core: Fix refcount bug and potential UAF in perf_mmap

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix refcount bug and potential UAF in perfmmap Syzkaller reported a refcountt: addition on 0; use-after-free warning in perfmmap. The issue is caused by a race condition between a failing mmap setup and a concurrent mm...

CVE-2026-23248

CVE-2026-23248 affects the Linux kernel perf/core component, specifically the perf_mmap path that initializes a ring_buffer. The issue is a race between a failing mmap() setup and a concurrent mmap() on a dependent event (e.g., due to output redirection). The ring_buffer pointer (event->rb) is...

Linux Distros Unpatched Vulnerability : CVE-2026-23248

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - perf/core: Fix refcount bug and potential UAF in perfmmap Syzkaller reported a refcountt: addition on 0; use-after-free warning in perfmmap. The issue is caused...

SUSE CVE-2026-31890

Inspektor Gadget is a set of tools and framework for data collection and system inspection on Kubernetes clusters and Linux hosts using eBPF. Prior to 0.50.1, in a situation where the ring-buffer of a gadget is - incidentally or maliciously - already full, the gadget will silently drop events. Th...

CVE-2026-31890

Inspektor Gadget is a set of tools and framework for data collection and system inspection on Kubernetes clusters and Linux hosts using eBPF. Prior to 0.50.1, in a situation where the ring-buffer of a gadget is – incidentally or maliciously – already full, the gadget will silently drop events. Th...

EUVD-2026-11641

Inspektor Gadget is a set of tools and framework for data collection and system inspection on Kubernetes clusters and Linux hosts using eBPF. Prior to 0.50.1, in a situation where the ring-buffer of a gadget is – incidentally or maliciously – already full, the gadget will silently drop events. Th...

CVE-2026-31890

Inspektor Gadget (eBPF-based data collection framework for Kubernetes/Linux) contains a DoS vulnerability prior to 0.50.1. When the gadget’s ring-buffer (hard-coded to 256KB) is full, the transfer mechanism via ring-buffers can fail to enqueue events and silently drop them; similarly, a gadget_re...

CVE-2026-31890 Inspektor Gadget: Tracing Denial of Service via Event Flooding

Inspektor Gadget is a set of tools and framework for data collection and system inspection on Kubernetes clusters and Linux hosts using eBPF. Prior to 0.50.1, in a situation where the ring-buffer of a gadget is – incidentally or maliciously – already full, the gadget will silently drop events. Th...

CVE-2026-31890

Inspektor Gadget is a set of tools and framework for data collection and system inspection on Kubernetes clusters and Linux hosts using eBPF. Prior to 0.50.1, in a situation where the ring-buffer of a gadget is – incidentally or maliciously – already full, the gadget will silently drop events. Th...

CVE-2026-31890 Inspektor Gadget: Tracing Denial of Service via Event Flooding

Inspektor Gadget is a set of tools and framework for data collection and system inspection on Kubernetes clusters and Linux hosts using eBPF. Prior to 0.50.1, in a situation where the ring-buffer of a gadget is – incidentally or maliciously – already full, the gadget will silently drop events. Th...

PT-2026-25030

Inspektor Gadget is a set of tools and framework for data collection and system inspection on Kubernetes clusters and Linux hosts using eBPF. Prior to 0.50.1, in a situation where the ring-buffer of a gadget is – incidentally or maliciously – already full, the gadget will silently drop events. Th...

Inspektor Gadget 安全漏洞

Inspektor Gadget is a set of tools and frameworks based on eBPF developed by Inspektor Gadget Inc. Versions of Inspektor Gadget prior to 0.50.1 contained security vulnerabilities. These vulnerabilities stemmed from the silent discarding of events when the ring buffer was full, with the discard...

CLSA-2026-1773048865 kernel: Fix of 53 CVEs

xhci: Remove device endpoints from bandwidth list when freeing the device CVE-2022-50470 - HID: multitouch: Add NULL check in mtinputconfigured CVE-2024-58020 - netfilter: nftsetpipapo: clamp maximum map bucket size to INTMAX CVE-2025-38201 - fs: writeback: fix use-after-free in markinodedirty...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005735)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005735 advisory. In the Linux kernel, the following vulnerability has been resolved: tracing: Fix race issue between cpu buffer write and swap Warning happened in rbendcommit at cod...

SUSE SLES15 Security Update : kernel (Live Patch 0 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:0748-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2026:0748-1 advisory. This update for the SUSE Linux Enterprise kernel 6.4.0-150700.51 fixes one security issue The following security issue was fixed: - CVE-2025-38129:...

UBUNTU-CVE-2026-23217

In the Linux kernel, the following vulnerability has been resolved: riscv: trace: fix snapshot deadlock with sbi ecall If sbiecall.c's functions are traceable, echo "sbiecall:snapshot" /sys/kernel/tracing/setftracefilter may get the kernel into a deadlock. Functions in sbiecall.c are excluded fro...

CLSA-2026-1771239384 kernel: Fix of 75 CVEs

net/sched: Make cakeenqueue return NETXMITCN when past bufferlimit CVE-2025-39766 - NFSD: Avoid calling OPDESC with ops-opnum == OPILLEGAL CVE-2023-53680 - scsi: target: iscsi: Fix buffer overflow in liotargetnaclinfoshow CVE-2023-53676 - KVM: x86: use arrayindexnospec with indices that come from...

CLSA-2026-1771077729 kernel: Fix of 107 CVEs

net/ieee802154: don't warn zero-sized rawsendmsg CVE-2022-50706 - bpf: Don't redirect packets with invalid pktlen CVE-2022-49975 - media: uvcvideo: Fix 1-byte out-of-bounds read in uvcparseformat CVE-2025-38680 - ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to network...

SUSE SLES12: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2026:0316-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0316-1 advisory. The SUSE Linux Enterprise 12 SP5 kernel was updated to fix various security issues The following security issues were fixed: -...