Security update for qemu (important)

openSUSE Security Update: Security update for qemu Announcement ID: openSUSE-SU-2022:0930-1 Rating: important References: 1178049 1192525 1193364 1193545 1194938 1195161 1196087 1196737 Cross-References: CVE-2021-3930 CVE-2022-0358 CVSS scores: CVE-2021-3930 NVD : 6.5...

AlmaLinux 8 : virt:rhel and virt-devel:rhel (ALSA-2021:5238)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2021:5238 advisory. QEMU: off-by-one error in modesensepage in hw/scsi/scsi-disk.c CVE-2021-3930 QEMU: net: e1000: infinite loop while processing transmit descriptors...

USN-5307-1 qemu vulnerabilities

Gaoning Pan discovered that QEMU incorrectly handled the floppy disk emulator. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2021-20196 Gaoning Pan discovered that the QEMU vmxnet3 NIC emulator incorrectly handled certain values. A...

Ubuntu 18.04 LTS / 20.04 LTS : QEMU vulnerabilities (USN-5307-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5307-1 advisory. Gaoning Pan discovered that QEMU incorrectly handled the floppy disk emulator. An attacker inside the guest could use this issue to cause QEM...

CVE-2021-3930

An off-by-one error was found in the SCSI device emulation in QEMU. It could occur while processing MODE SELECT commands in modesensepage if the 'page' argument was set to MODEPAGEALLS 0x3f. A malicious guest could use this flaw to potentially crash QEMU, resulting in a denial of service conditio...

CVE-2021-3930

An off-by-one error was found in the SCSI device emulation in QEMU. It could occur while processing MODE SELECT commands in modesensepage if the 'page' argument was set to MODEPAGEALLS 0x3f. A malicious guest could use this flaw to potentially crash QEMU, resulting in a denial of service conditio...

CVE-2021-3930: Off-by-one Error

An off-by-one error was found in the SCSI device emulation in QEMU. It could occur while processing MODE SELECT commands in modesensepage if the 'page' argument was set to MODEPAGEALLS 0x3f. A malicious guest could use this flaw to potentially crash QEMU, resulting in a denial of service conditio...

ROS-20220125-17

A vulnerability in the QEMU hardware emulator is related to a single offset error when emulating a SCSI device in QEMU. Exploitation of the vulnerability could allow an attacker acting remotely, cause QEMU to crash The QEMU hardware emulator vulnerability is related to a memory usage error after ...

Debian DSA-4980-1 : qemu - security update

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-4980 advisory. Multiple security issues were discovered in QEMU, a fast processor emulator, which could result in denial of service or the the execution of arbitrary code. For t...

kernel: SCSI target (LIO) write to any block on ILO backstore

A flaw was found in the Linux kernel’s implementation of the Linux SCSI target host, where an authenticated attacker could write to any block on the exported SCSI device backing store. This flaw allows an authenticated attacker to send LIO block requests to the Linux system to overwrite data on t...

CVE-2020-12652

A vulnerability was found in mptctlioctl in drivers/message/fusion/mptctl.c in Fusion MPT base driver 'mptctl' in the SCSI device module, where an incorrect lock leads to a race problem. This flaw allows an attacker with local access and special user or root privileges to cause a denial of servic...

kernel: Infoleak caused by incorrect handling of the SG_IO ioctl

A malformed SGIO ioctl issued for a SCSI device in the Linux kernel leads to a local kernel data leak manifesting in up to approximately 1000 memory pages copied to the userspace. The problem has limited scope as non-privileged users usually have no permissions to access SCSI device files...

SUSE SLES11 Security Update : kernel (SUSE-SU-2018:2332-1) (Foreshadow)

The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2018-3620: Local attackers on baremetal systems could use speculative code patterns on hyperthreaded processors to read data present in the L1 Datacache use...

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

A malformed SGIO ioctl issued for a SCSI device in the Linux kernel leads to a local kernel data leak manifesting in up to approximately 1000 memory pages copied to the userspace. The problem has limited scope as non-privileged users usually have no permissions to access SCSI device files...

Unauthorized Access

github.com/moby/moby is vulnerable to unauthorized access. A malicious user can write scsi remove-single-device to /proc/scsi/scsi, removing a scsi device from the system...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7.3 Extended 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...

Debian DLA-772-1 : linux security update

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. CVE-2012-6704, CVE-2016-9793 Eric Dumazet found that a local user with CAPNETADMIN capability could set a socket's buffer size to be negative, leading ...