Astra Linux - уязвимость в linux-5.15

A flaw was discovered in KVM AMD Secure Encrypted Virtualization SEV within the Linux kernel. A KVM guest that uses SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race condition vulnerability and invoke the VMGEXIT handler recursively. If an attacker manages to call the handler...

DEBIAN-CVE-2026-31591

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Lock all vCPUs when synchronzing VMSAs for SNP launch finish Lock all vCPUs when synchronizing and encrypting VMSAs for SNP guests, as allowing userspace to manipulate and/or run a vCPU while its state is being...

CVE-2026-31561

In the Linux kernel, the following vulnerability has been resolved: x86/cpu: Remove X86CR4FRED from the CR4 pinned bits mask Commit in Fixes added the FRED CR4 bit to the CR4 pinned bits mask so that whenever something else modifies CR4, that bit remains set. Which in itself is a perfectly fine...

Couchbase Server 安全漏洞

Couchbase Server is a distributed open source NoSQL non-relational database from Couchbase, Inc. in the United States. It supports data query, full-text search and active global replication. A security vulnerability exists in Couchbase Server versions prior to 7.2.5 and versions 7.6.0 through...

PT-2019-16947 · Ibm · Ibm Cognos Controller

Name of the Vulnerable Software and Affected Versions: IBM Cognos Controller versions 10.3.0 through 10.4.1 Description: The issue allows an attacker to obtain sensitive information using man-in-the-middle techniques because it does not set the secure attribute on authorization tokens or session...

Subverting Backdoored Encryption

This is a really interesting research result. This paper proves that two parties can create a secure communications channel using a communications system with a backdoor. It's a theoretical result, so it doesn't talk about how easy that channel is to create. And the assumptions on the adversary a...

CipherShed - Secure Encryption Software (fork of the TrueCrypt Project)

CipherShed is free as in free-of-charge and free-speech encryption software for keeping your data secure and private. It started as a fork of the now-discontinued TrueCrypt Project. CipherShed is a program that can be used to create encrypted files or encrypt entire drives including USB flash...

Apple Safari finally gets a malware blocker

After years of lagging behind on important security features, Apple has finally added a malware-blocker, a phishing filter and support for EV extended validation certificates into the latest refresh of its Safari Web browser. The malware roadblock headlines a list of Safari 4 security features th...