CVE-2026-45855

A flaw was found in the Linux kernel's libata-scsi component. This vulnerability allows for a denial of service DoS where non-Native Command Queuing NCQ commands can experience significant delays or complete starvation. This occurs when non-NCQ commands are issued while NCQ commands are actively...

CVE-2026-45855 ata: libata-scsi: avoid Non-NCQ command starvation

In the Linux kernel, the following vulnerability has been resolved: ata: libata-scsi: avoid Non-NCQ command starvation When a non-NCQ command is issued while NCQ commands are being executed, atascsiqcissue indicates to the SCSI layer that the command issuing should be deferred by returning...

Denial Of Service (DoS)

qemu-kvm-rhev is vulnerable to denial of service DoS attacks. The vulnerability exists as a use-after-free vulnerability in hw/ide/ahci.c in QEMU, when built with IDE AHCI Emulation support, allows guest OS users to cause a denial of service instance crash or possibly execute arbitrary code via a...

CVE-2016-1568

CVE-2016-1568 is a use-after-free in QEMU’s AHCI emulation (hw/ide/ahci.c) when IDE AHCI Emulation is enabled. A guest user can cause a denial of service (QEMU process crash) and potentially execute arbitrary code via an invalid AHCI NCQ AIO command. The issue is triggered by use-after-free in NC...

CVE-2016-1568

Use-after-free vulnerability in hw/ide/ahci.c in QEMU, when built with IDE AHCI Emulation support, allows guest OS users to cause a denial of service instance crash or possibly execute arbitrary code via an invalid AHCI Native Command Queuing NCQ AIO command...

Qemu: ide: ahci use-after-free vulnerability in aio port commands

A use-after-free flaw was found in the way QEMU's IDE AHCI emulator processed certain AHCI Native Command Queuing NCQ AIO commands. A privileged guest user could use this flaw to crash the QEMU process instance or, potentially, execute arbitrary code on the host with privileges of the QEMU proces...

Important: Red Hat Security Advisory: qemu-kvm-rhev security update

Updated qemu-kvm-rhev packages that fix two security issues are now available for Red Hat Enterprise Linux OpenStack Platform 5.0 for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base score...

Qemu: ide: ahci use-after-free vulnerability in aio port commands

A use-after-free flaw was found in the way QEMU's IDE AHCI emulator processed certain AHCI Native Command Queuing NCQ AIO commands. A privileged guest user could use this flaw to crash the QEMU process instance or, potentially, execute arbitrary code on the host with privileges of the QEMU proces...

Important: Red Hat Security Advisory: qemu-kvm-rhev security update

Updated qemu-kvm-rhev packages that fix two security issues are now available for Red Hat Enterprise Linux OpenStack Platform 6. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity...

Fedora Core 6 : kernel-2.6.20-1.2944.fc6 (2007-432)

Updated to upstream linux kernel 2.6.20.6: http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.5 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.6 CVE-2007-1357: The atalksumskb function in AppleTalk for Linux kernel 2.6.x before 2.6.21, and possibly 2.4.x, allows remote...