Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

MiracleLinux 8 : kernel-4.18.0-553.92.1.el8_10 (AXSA:2026-065:02)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-065:02 advisory. kernel: media: rc: fix races with imondisconnect CVE-2025-39993 kernel: sctp: avoid NULL dereference when chunk data buffer is missing CVE-2025-40240...

RLSA-2026:0444 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: media: rc: fix races with imondisconnect CVE-2025-39993 kernel: sctp: avoid NULL dereference when chunk data buffer is missing CVE-2025-40240 kernel: libceph: fix potential use-after-free...

RockyLinux 8 : kernel (RLSA-2026:0444)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:0444 advisory. kernel: media: rc: fix races with imondisconnect CVE-2025-39993 kernel: sctp: avoid NULL dereference when chunk data buffer is missing CVE-2025-40240...

EulerOS 2.0 SP12 : kernel (EulerOS-SA-2026-1071)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : net: drop UFO packets in udprcvsegmentCVE-2025-38622 A transient execution vulnerability in some AMD processors may allow an attacker to infer dat...

kernel: media: rc: fix races with imon_disconnect()

A use-after-free flaw exists in the Linux kernel’s media/rc subsystem. When the device is disconnected via imondisconnect, the driver may unconditionally release a usbdevice reference via usbputdev even while other operations such as vfdwrite, sendpacket, displayopen, lcdwrite are still in...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a race condition in the imondisconnect function that could lead to reuse after release...

CVE-2025-39993: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: media: rc: fix races with imondisconnect Syzbot reports a KASAN issue as below: BUG: KASAN: use-after-free in createpipe include/linux/usb.h:1945 inline BUG: KASAN: use-after-free in sendpacket+0xa2d/0xbc0...