CVE-2021-28692

inappropriate x86 IOMMU timeout detection / handling IOMMUs process commands issued to them in parallel with the operation of the CPUs issuing such commands. In the current implementation in Xen, asynchronous notification of the completion of such commands is not used. Instead, the issuing CPU...

OracleVM 3.4 : xen (OVMSA-2021-0020)

The remote OracleVM system is missing necessary patches to address security updates: - Observable response discrepancy in some IntelR Processors may allow an authorized user to potentially enable information disclosure via local access. CVE-2021-0089 - Potential speculative code store bypass in a...

hw: Vector Register Leakage-Active

A flaw was found in the Intel Advanced Vector Extensions AVX implementation, where a local authenticated attacker with the ability to execute AVX instructions can gather the AVX register state from previous AVX executions. This vulnerability allows information disclosure of the AVX register state...

A week in security (December 11 – December 17)

Last week we explained what fast flux is and how it's being abused, we showed you all kinds of Bitcoin-related scams, presented a video recording of a tech support scammer trying to sell free software, and pointed out some free software to keep an eye on your Internet traffic. We also informed yo...

Intel Hardware Accelerated Execution Manager Elevation of Privilege Vulnerability

Intel Hardware Accelerated Execution Manager is a hardware-accelerated execution manager based on Intel's virtualization technology from Intel USA. A privilege extraction vulnerability exists in the IntelHAXM.sys driver in Intel Hardware Accelerated Execution Manager versions prior to 6.0.6. A...

CVE-2017-5683

Privilege escalation in IntelHAXM.sys driver in the Intel Hardware Accelerated Execution Manager before version 6.0.6 allows a local user to gain system level access...

CVE-2017-5683

Privilege escalation in IntelHAXM.sys driver in the Intel Hardware Accelerated Execution Manager before version 6.0.6 allows a local user to gain system level access...

PT-2017-16669

Name of the Vulnerable Software and Affected Versions Intel Hardware Accelerated Execution Manager versions prior to 6.0.6 Description The issue allows a local user to gain system-level access due to a privilege escalation in the IntelHAXM.sys driver. Recommendations For versions prior to 6.0.6,...

FreeBSD : xen-kernel -- x86 null segments not always treated as unusable (50ac2e96-ba4d-11e6-ae1b-002590263bf5)

The Xen Project reports : The Xen x86 emulator erroneously failed to consider the unusability of segments when performing memory accesses. The intended behaviour is as follows: The user data segment %ds, %es, %fs and %gs selectors may be NULL in 32-bit to prevent access. In 64-bit, NULL has a...

xen-kernel -- x86 null segments not always treated as unusable

The Xen Project reports: The Xen x86 emulator erroneously failed to consider the unusability of segments when performing memory accesses. The intended behaviour is as follows: The user data segment %ds, %es, %fs and %gs selectors may be NULL in 32-bit to prevent access. In 64-bit, NULL has a...

Flaw in Intel Ethernet controller exposes to 'packet of death' attack

The hardware qualification is a very important issue, recent vulnerabilities discovered in network appliances of various manufacturer have alerted security community once again on the necessity to validate the hardware especially for large consume product. The last news is related to a...

CentOS 5 : kernel (CESA-2010:0147)

Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed...

CVE-2007-2387

The CVE-2007-2387 entry concerns Apple Xserve Lights-Out Management on Intel hardware prior to Firmware Update 1.0. The vulnerability is that IPMI remote access does not require a password, enabling an attacker to gain administrative access via remote requests using ipmitool. Impact is described ...

CVE-2007-2387

Apple Xserve Lights-Out Management before Firmware Update 1.0 on Intel hardware does not require a password for remote access to IPMI, which allows remote attackers to gain administrative access via unspecified requests with ipmitool...