CVE-2018-12892

An issue was discovered in Xen 4.7 through 4.10.x. libxl fails to pass the readonly flag to qemu when setting up a SCSI disk, due to what was probably an erroneous merge conflict resolution. Malicious guest administrators or in some situations users may be able to write to supposedly read-only di...

CVE-2018-12892

An issue was discovered in Xen 4.7 through 4.10.x. libxl fails to pass the readonly flag to qemu when setting up a SCSI disk, due to what was probably an erroneous merge conflict resolution. Malicious guest administrators or in some situations users may be able to write to supposedly read-only di...

CVE-2018-12892

Concretely, CVE-2018-12892 affects Xen 4.7–4.10.x when using libxl with qemu-xen: libxl fails to pass the readonly flag to QEMU for emulated SCSI disks (disk type sd) due to an erroneous merge conflict resolution. This can allow malicious guest administrators or certain users to write to original...

CVE-2018-12892

An issue was discovered in Xen 4.7 through 4.10.x. libxl fails to pass the readonly flag to qemu when setting up a SCSI disk, due to what was probably an erroneous merge conflict resolution. Malicious guest administrators or in some situations users may be able to write to supposedly read-only di...

[SECURITY] [DSA 4236-1] xen security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4236-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff June 27, 2018 https://www.debian.org/security/faq -...

libxl fails to honour readonly flag on HVM emulated SCSI disks

ISSUE DESCRIPTION libxl fails to pass the readonly flag to qemu when setting up a SCSI disk, due to what was probably an erroneous merge conflict resolution. IMPACT Malicious guest administrators or in some situations users may be able to write to supposedly read-only disk images. VULNERABLE...

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

An update for qemu-kvm-rhev is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7. 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...

DEBIAN-CVE-2018-1000204

Linux Kernel version 3.18 to 4.16 incorrectly handles an SGIO ioctl on /dev/sg0 with dxferdirection=SGDXFERFROMDEV and an empty 6-byte cmdp. This may lead to copying up to 1000 kernel heap pages to the userspace. This has been fixed upstream in...

CVE-2018-1000204

Linux Kernel version 3.18 to 4.16 incorrectly handles an SGIO ioctl on /dev/sg0 with dxferdirection=SGDXFERFROMDEV and an empty 6-byte cmdp. This may lead to copying up to 1000 kernel heap pages to the userspace. This has been fixed upstream in...

CVE-2018-1000204

Linux Kernel version 3.18 to 4.16 incorrectly handles an SGIO ioctl on /dev/sg0 with dxferdirection=SGDXFERFROMDEV and an empty 6-byte cmdp. This may lead to copying up to 1000 kernel heap pages to the userspace. This has been fixed upstream in...

CVE-2018-1000204

Linux Kernel version 3.18 to 4.16 incorrectly handles an SGIO ioctl on /dev/sg0 with dxferdirection=SGDXFERFROMDEV and an empty 6-byte cmdp. This may lead to copying up to 1000 kernel heap pages to the userspace. This has been fixed upstream in...

UBUNTU-CVE-2018-1000204

Linux Kernel version 3.18 to 4.16 incorrectly handles an SGIO ioctl on /dev/sg0 with dxferdirection=SGDXFERFROMDEV and an empty 6-byte cmdp. This may lead to copying up to 1000 kernel heap pages to the userspace. This has been fixed upstream in...

Ubuntu: Security Advisory (USN-3678-4)

The remote host is missing an update for the SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu 18.04 LTS : Linux kernel (Azure) vulnerabilities (USN-3678-3)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3678-3 advisory. Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker...

Ubuntu: Security Advisory (USN-3678-3)

The remote host is missing an update for the SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-3678-3: Linux kernel (Azure) vulnerabilities

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker could use this to specially craft an ext4 file system that caused a denial of service system crash when mounted. CVE-2018-1092 It was discovere...

USN-3678-2 linux-azure vulnerabilities

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker could use this to specially craft an ext4 file system that caused a denial of service system crash when mounted. CVE-2018-1092 It was discovere...

USN-3678-2: Linux kernel (Azure) vulnerabilities

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker could use this to specially craft an ext4 file system that caused a denial of service system crash when mounted. CVE-2018-1092 It was discovere...

Ubuntu: Security Advisory (USN-3678-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu 16.04 LTS : Linux kernel (Azure) vulnerabilities (USN-3678-2)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3678-2 advisory. Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker...