#linux

Red Hat Security Advisory 2023-3408-01 - OpenSSL is a toolkit that implements the Secure Sockets Layer and Transport Layer Security protocols, as well as a full-strength general-purpose cryptography library. Issues addressed include double free and use-after-free vulnerabilities.

Ubuntu Security Notice 6127-1 - Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Gwangun Jung discovered that the Quick Fair Queueing scheduler implementation in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

Red Hat Security Advisory 2023-3397-01 - QATzip is a user space library which builds on top of the Intel QuickAssist Technology user space library, to provide extended accelerated compression and decompression services by offloading the actual compression and decompression request to the Intel Chipset Series. Issues addressed include a privilege escalation vulnerability.

Red Hat Security Advisory 2023-3403-01 - The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-3394-01 - The Public Key Infrastructure Core contains fundamental packages required by Red Hat Certificate System.

Red Hat Security Advisory 2023-3388-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include bypass and use-after-free vulnerabilities.

Rukovoditel version 3.3.1 suffers from a CSV injection vulnerability.

The threat actors behind BlackCat ransomware have come up with an improved variant that prioritizes speed and stealth in an attempt to bypass security guardrails and achieve their goals. The new version, dubbed Sphynx and announced in February 2023, packs a "number of updated capabilities that strengthen the group's efforts to evade detection," IBM Security X-Force said in a new analysis. The "

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a recently patched critical security flaw in Zyxel gear to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. Tracked as CVE-2023-28771 (CVSS score: 9.8), the issue relates to a command injection flaw impacting different firewall models that could enable an unauthenticated attacker

A use after free flaw was found in hfsplus_put_super in fs/hfsplus/super.c in the Linux Kernel. This flaw could allow a local user to cause a denial of service problem.