Citrix Hypervisor Security Bulletin for CVE-2022-23825 and CVE-2022-29900

AMD has disclosed an issue that affects AMD CPU hardware and may allow code inside a guest VM to infer the contents of RAM memory elsewhere on the host. Although this is not an issue in the Citrix Hypervisor product itself, Citrix is releasing hotfixes that include product changes to mitigate thi...

Retbleed - arbitrary speculative code execution with return instructions

ISSUE DESCRIPTION Researchers at ETH Zurich have discovered Retbleed, allowing for arbitrary speculative execution in a victim context. For more details, see: https://comsec.ethz.ch/retbleed ETH Zurich have allocated CVE-2022-29900 for AMD and CVE-2022-29901 for Intel. Despite the similar...

SUSE-SU-2022:2376-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2022-29900, CVE-2022-29901: Fixed the RETBLEED attack, a new Spectre like Branch Target Buffer attack, that can leak arbitrary kernel information...

CVE-2022-23825

Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosure...

AMD: CVE-2022-23825 AMD CPU Branch Type Confusion

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AMD: CVE-2022-23816 AMD CPU Branch Type Confusion

REJECT DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate is unused by its CNA. Notes: none...

AMD: CVE-2022-29900 AMD CPU Branch Type Confusion

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VMware ESXi addresses Return-Stack-Buffer-Underflow and Branch Type Confusion vulnerabilities

3. Return-Stack-Buffer-Underflow CVE-2022-29901, CVE-2022-28693, CVE-2022-26373 and Branch Type Confusion CVE-2022-23816, CVE-2022-23825 vulnerabilities VMware ESXi contains Return-Stack-Buffer-Underflow CVE-2022-29901, CVE-2022-28693, CVE-2022-26373 and Branch Type Confusion CVE-2022-23816,...

Unbreakable Enterprise kernel security update

5.15.0-0.30.20 - floppy: use a statically allocated error counter Willy Tarreau Orabug: 34218638 CVE-2022-1652 - x86: Disable RET on kexec Konrad Rzeszutek Wilk Orabug: 34335631 CVE-2022-29901 CVE-2022-23816 - x86/bugs: do not enable IBPB-on-entry when IBPB is not supported Thadeu Lima de Souza...

CVE-2022-29900

Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions...

AMD CPU Branch Type Confusion

Bulletin ID: AMD-SB-1037 Potential Impact: Information disclosure, arbitrary speculative code execution Severity: Medium Summary This security bulletin addresses two issues related to CVE-2017-5715 previously known as Spectre Variant 2. As part of our efforts to continue improving security...

VMware ESXi addresses Return-Stack-Buffer-Underflow and Branch Type Confusion vulnerabilities

3. Return-Stack-Buffer-Underflow CVE-2022-29901, CVE-2022-28693, CVE-2022-26373 and Branch Type Confusion CVE-2022-23816, CVE-2022-23825 vulnerabilities VMware ESXi contains Return-Stack-Buffer-Underflow CVE-2022-29901, CVE-2022-28693, CVE-2022-26373 and Branch Type Confusion CVE-2022-23816,...

HP Wolf Security Software July 2022 Update

HP has been informed of potential vulnerabilities known as RETbleed identified in some Intel® Processors and in some AMD® Processors, which may allow information disclosure. HP is releasing updates to Wolf Security software to implement the suggested mitigations from the CPU vendors. HP has...

KLA12581 Multiple vulnerabilities in Microsoft Products (ESU)

Multiple vulnerabilities were found in Microsoft Products Extended Security Update. Malicious users can exploit these vulnerabilities to gain privileges, bypass security restrictions, obtain sensitive information, execute arbitrary code, cause denial of service. Below is a complete list of...

wolfssl -- multiple issues

wolfSSL blog reports: In release 5.4.0 there were 3 vulnerabilities listed as fixed in wolfSSL. Two relatively new reports, one dealing with a DTLS 1.0/1.2 denial of service attack and the other a ciphertext attack on ECC/DH operations. The last vulnerability listed was a public disclosure of a...

VMSA-2022-0020:VMware ESXi addresses Return-Stack-Buffer-UnderfLOW and Branch Type Confusion vulnerabilities

Advisory ID: VMSA-2022-0020.2 CVSSv3 Range: 5.6 Issue Date:2022-07-12 Updated On: 2022-10-25 CVEs: CVE-2022-29901, CVE-2022-28693, CVE-2022-23816, CVE-2022-23825, CVE-2022-26373 Synopsis: VMware ESXi addresses Return-Stack-Buffer-Underflow and Branch Type Confusion vulnerabilities RSS Feed Downlo...

AMD CPU Branch Type Confusion Vulnerabilities - Lenovo Support US

No description provided...

Xen PV Guest Non-SELFSNOOP CPU Memory Corruption

Xen: PV guest on non-SELFSNOOP CPUs can validate non-coherent L2 pagetable I'm not sure whether there are any major users of unshimmed Xen PV left, but https://xenbits.xen.org/docs/unstable/support-matrix.html says it's still a security-supported usecase for 64-bit guests. Tested on Debian's Xen...

RansomHouse claims to have stolen at least 450GB of AMD’s data

AMD is investigating the claim that the RansomHouse extortion group has its hands on more than 450GB of the companys data. AMDs breach revelation came to light after RansomHouse teased on Telegram about selling data belonging to a popular three-letter company that starts with the letter A. The...

450GB of Suspected AMD Data Stolen by RansomHouse Gang

By Waqas RansomHouse first appeared in cyberspace in December 2021. So far, the gang has claimed six victims, including Gaming… This is a post from HackRead.com Read the original post: 450GB of Suspected AMD Data Stolen by RansomHouse Gang...