GSD-2022-1000616 USB: core: Fix hang in usb_kill_urb by adding memory barriers

USB: core: Fix hang in usbkillurb by adding memory barriers This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.16.5 by commit...

GSD-2022-1000251 USB: core: Fix hang in usb_kill_urb by adding memory barriers

USB: core: Fix hang in usbkillurb by adding memory barriers This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.19 by commit...

GSD-2022-1000152 USB: core: Fix hang in usb_kill_urb by adding memory barriers

USB: core: Fix hang in usbkillurb by adding memory barriers This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.176 by commit...

GSD-2022-1000123 USB: core: Fix hang in usb_kill_urb by adding memory barriers

USB: core: Fix hang in usbkillurb by adding memory barriers This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.228 by commit...

GSD-2022-1000099 USB: core: Fix hang in usb_kill_urb by adding memory barriers

USB: core: Fix hang in usbkillurb by adding memory barriers This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.265 by commit...

GSD-2022-1000081 USB: core: Fix hang in usb_kill_urb by adding memory barriers

USB: core: Fix hang in usbkillurb by adding memory barriers This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.300 by commit...

SUSE-SU-2021:3388-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel was updated. The following security bugs were fixed: - CVE-2020-3702: Fixed a bug which could be triggered with specifically timed and handcrafted traffic and cause internal errors in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a...

Unbreakable Enterprise kernel security update

4.1.12-124.50.2 - btrfs: fix race when cloning extent buffer during rewind of an old root Filipe Manana Orabug: 32669454 CVE-2021-28964 - xen-blkback: don't leak persistent grants from xenblkbkmap Jan Beulich Orabug: 32697855 CVE-2021-28688 - netfilter: xtables: Use correct memory barriers. Mark...

Xen Missing memory barriers DoS (XSA-340)

A denial of service DoS vulnerability exists in Xen servers when accessing/allocating an event channel due to a missing memory barrier. An authenticated, local attacker may be able to cause a hypervisor crash resulting in a Denial of Service DoS. Note that Nessus has not tested for this issue but...

Fedora 31 : xen (2020-d46fe34349)

x86 pv: Crash when handling guest access to MSRMISCENABLE XSA-333, CVE-2020-25602 1881619 Missing unlock in XENMEMacquireresource error path XSA-334, CVE-2020-25598 1881616 race when migrating timers between x86 HVM vCPU-s XSA-336, CVE-2020-25604 1881618 PCI passthrough code reading back hardware...

Denial Of Service (DoS)

xen is vulnerable to denial of service DoS. There are missing memory barriers when accessing/allocating an event channel. Event channels control structures can be accessed lockless as long as the port is considered to be valid. Such a sequence is missing an appropriate memory barrier e.g., smpmb ...

ALPINE-CVE-2020-25603

An issue was discovered in Xen through 4.14.x. There are missing memory barriers when accessing/allocating an event channel. Event channels control structures can be accessed lockless as long as the port is considered to be valid. Such a sequence is missing an appropriate memory barrier e.g., smp...

CVE-2020-25603

An issue was discovered in Xen through 4.14.x. There are missing memory barriers when accessing/allocating an event channel. Event channels control structures can be accessed lockless as long as the port is considered to be valid. Such a sequence is missing an appropriate memory barrier e.g., smp...

DEBIAN-CVE-2020-25603

An issue was discovered in Xen through 4.14.x. There are missing memory barriers when accessing/allocating an event channel. Event channels control structures can be accessed lockless as long as the port is considered to be valid. Such a sequence is missing an appropriate memory barrier e.g., smp...

Privilege escalation

An issue was discovered in Xen through 4.14.x. There are missing memory barriers when accessing/allocating an event channel. Event channels control structures can be accessed lockless as long as the port is considered to be valid. Such a sequence is missing an appropriate memory barrier e.g., smp...

UBUNTU-CVE-2020-25603

An issue was discovered in Xen through 4.14.x. There are missing memory barriers when accessing/allocating an event channel. Event channels control structures can be accessed lockless as long as the port is considered to be valid. Such a sequence is missing an appropriate memory barrier e.g., smp...

CVE-2020-25603

CVE-2020-25603 affects Xen up to 4.14.x, where missing memory barriers in event-channel access/allocation allow lockless manipulation of event-channel state. A malicious guest could crash the hypervisor, causing a Denial of Service, with potential information leaks or privilege escalation. Public...

CVE-2020-25603

An issue was discovered in Xen through 4.14.x. There are missing memory barriers when accessing/allocating an event channel. Event channels control structures can be accessed lockless as long as the port is considered to be valid. Such a sequence is missing an appropriate memory barrier e.g., smp...

Missing memory barriers when accessing/allocating an event channel

ISSUE DESCRIPTION Event channels control structures can be accessed lockless as long as the port is considered to be valid. Such sequence is missing appropriate memory barrier e.g smpmb to prevent both the compiler and CPU to re-order access. IMPACT A malicious guest may be able to cause a...

SUSE SLES12 Security Update : xen (SUSE-SU-2020:2234-1)

This update for xen fixes the following issues : bsc1174543 - secure boot related fixes bsc1163019 - CVE-2020-8608: Potential OOB access due to unsafe snprintf usages bsc1169392 - CVE-2020-11742: Bad continuation handling in GNTTABOPcopy bsc1168140 - CVE-2020-11740, CVE-2020-11741: Multiple...