Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: proc: use the same treatment to check proclseek as ones for procreaditer et.al CVE-2025-38653 kernel: ima: don't clear IMADIGSIG flag when setting or removing non-IMA xattr CVE-2025-68183...

kernel: nbd: defer config unlock in nbd_genl_connect

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config unlock in nbdgenlconnect There is one use-after-free warning when running NBDCMDCONNECT and NBDCLEARSOCK: nbdgenlconnect nbdallocandinitconfig // configrefs=1 nbdstartdevice // configrefs=2 set NBDRTHASCONFIGREF...

RHEL 9 : kernel (RHSA-2026:21209)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:21209 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: proc: fix UAF in procgetinode...

CLSA-2026-1778007485 libnbd: Fix of CVE-2023-5215

CVE-2023-5215: fix nbdgetsize returning negative value for sizes larger than INT64MAX...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013524)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013524 advisory. In the Linux kernel, the following vulnerability has been resolved: nbd: call genlunregisterfamily first in nbdcleanup Otherwise there may be race between module...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013212)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013212 advisory. In the Linux kernel, the following vulnerability has been resolved: nbd: fix incomplete validation of ioctl arg We tested and found an alarm caused by nbdioctl arg...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007609)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007609 advisory. In the Linux kernel, the following vulnerability has been resolved: nbd: Fix NULL pointer in flushworkqueue Open /dev/nbdX first, the configrefs will be 1 and the...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: pagepool: Fix use-after-free in pagepoolrecycleinring CVE-2025-38129 In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix a null-ptr access in the cursor snooper CVE-2025-40110 In th...

ROS-20260313-73-0020

A vulnerability in the nbdgenlconnect function of the nbd component of the Linux operating system kernel is related to the ability to use memory after it has been freed. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1280)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : nvme: nvme-fc: Ensure -ioerrwork is cancelled in nvmefcdeletectrlCVE-2025-40261 cifs: fix session state check in reconnect to avoid use-after-free...

EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1244)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : nvme: nvme-fc: Ensure -ioerrwork is cancelled in nvmefcdeletectrlCVE-2025-40261 cifs: fix session state check in reconnect to avoid use-after-free...

NewStart CGSL MAIN 6.06 (SP) : nbd Multiple Vulnerabilities (NS-SA-2026-0012)

The remote NewStart CGSL host, running version MAIN 6.06 SP, has nbd packages installed that are affected by multiple vulnerabilities: - In nbd-server in nbd before 3.24, there is a stack-based buffer overflow. An attacker can cause a buffer overflow in the parsing of the name field by sending a...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2026-098 (ALASKERNEL-5.15-2026-098)

The version of kernel installed on the remote host is prior to 5.15.201-140.219. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.15-2026-098 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/ttm: fix undefined behavior in b...

kernel: nbd: fix incomplete validation of ioctl arg

A flaw has been found in the Linux kernel’s NBD drivers.The issue stems from incomplete validation of IOCTL arguments passed to the NBD driver. Specifically, oversized or unchecked arguments may lead to a signed integer overflow in blockwritefullpage and misuse of argument values cast to int in...

Oracle Linux 8 : virt:kvm_utils3 (ELSA-2026-50118)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-50118 advisory. - Limit recursion in ri-records CVE-2021-3622 resolves: rhbz1976194 - Bounds check for block exceeding page length CVE-2021-3504 resolves: rhbz1950501...

virt:ol and virt-devel:ol security and bug fix update

hivex libguestfs 1.44.0-9.0.1 - Replace upstream references from description tag - Config supermin to use host yum.conf in ol8 Orabug: 29319324 - Set DISTROORACLELINUX correspeonding to ol 1:1.44.0-9 - Fix CVE-2022-2211 Denial of Service in --key parameter resolves: rhbz2101280 1:1.44.0-8 -...

The vulnerability of the nbd_genl_connect() function in the drivers/block/nbd.c module of the Linux kernel’s block devices driver allows a hacker to cause a service failure.

The vulnerability of the nbdgenlconnect function in the drivers/block/nbd.c module of the Linux kernel’s block devices driver is related to the repeated use of previously freed memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

EulerOS Virtualization 2.10.1 : kernel (EulerOS-SA-2026-1123)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : cifs: Fix UAF in cifsdemultiplexthreadCVE-2023-52572 net: fix data-races around sk-skforwardallocCVE-2024-53124 quota: flush...

Azure Linux 3.0 Security Update: kernel (CVE-2024-49855)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-49855 advisory. - In the Linux kernel, the following vulnerability has been resolved: nbd: fix race between timeout and normal...

MiracleLinux 8 : virt:rhel and virt-devel:rhel (AXSA:2024-8876:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-8876:01 advisory. QEMU: virtio: DMA reentrancy issue leads to double free vulnerability CVE-2024-3446 QEMU: Denial of Service via Improper Synchronization in QEMU NBD...