#ibm

Ubuntu Security Notice 6726-1 - Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service. It was discovered that the IPv6 implementation of the Linux kernel did not properly manage route cache memory usage. A remote attacker could use this to cause a denial of service.

Ubuntu Security Notice 6725-1 - Chih-Yen Chang discovered that the KSMBD implementation in the Linux kernel did not properly validate certain data structure fields when parsing lease contexts, leading to an out-of-bounds read vulnerability. A remote attacker could use this to cause a denial of service or possibly expose sensitive information. Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel, leading to a use-after-free vulnerability. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code.

We need more than "do-it-yourself" approaches to threats that clearly rise to the level of national security issues.

Red Hat Security Advisory 2024-1686-03 - A new image is available for Red Hat Single Sign-On 7.6.7, running on OpenShift Container Platform 3.10 and 3.11, and 4.3. Issues addressed include an information leakage vulnerability.

Cybersecurity is far more than a check-the-box exercise. To create companywide buy-in, CISOs need to secure board support, up their communication game, and offer awareness-training programs to fight social engineering and help employees apply what they've learned.

In confidential computing environments, attestation is crucial in verifying the trustworthiness of the location where you plan to run your workload or where you plan to send confidential information. Before actually running the workload or transmitting the confidential information, you need to perform attestation.This blog provides an overview of the components implemented in the confidential containers (CoCo) to support the IETF RATS model (Remote ATtestation procedureS Architecture). The components include the Attestation Service (AS), Key Broker Service (KBS), Reference Value Provider Servi

What cybersecurity professionals around the world can do to defend against the scourge of online disinformation in this year's election cycle.

Red Hat Security Advisory 2024-1608-03 - An update for opencryptoki is now available for Red Hat Enterprise Linux 8.

Red Hat Security Advisory 2024-1607-03 - An update for kernel is now available for Red Hat Enterprise Linux 8. Issues addressed include code execution, null pointer, privilege escalation, and use-after-free vulnerabilities.

Microsoft adds tools to protect Azure AI from threats such as prompt injection, as well as to give developers the capabilities to ensure generative AI apps are more resilient to model and content manipulation attacks.