Xen: x86: BTC/SRSO Fixes Not Fully Effective (XSA-446)

The fixes for XSA-422 Branch Type Confusion and XSA-434 Speculative Return Stack Overflow are not IRQ-safe as it was believed that the mitigations were always operated in contexts with IRQs disabled. However due to an unanticipated interaction with XSA-254 Meltdown, a race condition exists whereb...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-4911 GNU C Library Buffer Overflow Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks...

SUSE CVE-2023-46836

The fixes for XSA-422 Branch Type Confusion and XSA-434 Speculative Return Stack Overflow are not IRQ-safe. It was believed that the mitigations always operated in contexts with IRQs disabled. However, the original XSA-254 fix for Meltdown XPTI deliberately left interrupts enabled on two entry...

SUSE CVE-2023-42815

Kyverno is a policy engine designed for Kubernetes. A security vulnerability was found in Kyverno where an attacker could cause denial of service of Kyverno. The vulnerability was in Kyvernos Notary verifier. An attacker would need control over the registry from which Kyverno would fetch...

SUSE CVE-2023-42816

Kyverno is a policy engine designed for Kubernetes. A security vulnerability was found in Kyverno where an attacker could cause denial of service of Kyverno. The vulnerability was in Kyvernos Notary verifier. An attacker would need control over the registry from which Kyverno would fetch...

SUSE CVE-2023-42814

Kyverno is a policy engine designed for Kubernetes. A security vulnerability was found in Kyverno where an attacker could cause denial of service of Kyverno. The vulnerable component in Kyvernos Notary verifier. An attacker would need control over the registry from which Kyverno would fetch...

SUSE CVE-2023-42813

Kyverno is a policy engine designed for Kubernetes. A security vulnerability was found in Kyverno where an attacker could cause denial of service of Kyverno. The vulnerable component in Kyvernos Notary verifier. An attacker would need control over the registry from which Kyverno would fetch...

x86: BTC/SRSO fixes not fully effective

ISSUE DESCRIPTION The fixes for XSA-422 Branch Type Confusion and XSA-434 Speculative Return Stack Overflow are not IRQ-safe. It was believed that the mitigations always operated in contexts with IRQs disabled. However, the original XSA-254 fix for Meltdown XPTI deliberately left interrupts enabl...

SUSE: Security Advisory (SUSE-SU-2023:4431-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

PT-2023-28602 · Kyverno · Kyverno

Name of the Vulnerable Software and Affected Versions: Kyverno version 1.11.0 Description: A security issue was found in Kyverno, a policy engine for Kubernetes, where an attacker could cause denial of service. The issue is in Kyverno's Notary verifier. An attacker would need control over the...

PT-2023-28600 · Kyverno · Kyverno

Name of the Vulnerable Software and Affected Versions: Kyverno versions 1.11.0 and later built from the main branch Description: A security issue was found in Kyverno, a policy engine for Kubernetes, where an attacker could cause denial of service. The vulnerable component is Kyverno's Notary...

PT-2023-28603 · Kyverno · Kyverno

Name of the Vulnerable Software and Affected Versions: Kyverno versions 1.11.0 and later, built from the main branch Description: A security issue was found in Kyverno, a policy engine for Kubernetes, where an attacker could cause a denial of service. The issue lies in Kyverno's Notary verifier. ...

PT-2023-28601 · Kyverno · Kyverno

Name of the Vulnerable Software and Affected Versions: Kyverno versions 1.11.0 and later, built from the main branch Description: A security issue was found in Kyverno, a policy engine for Kubernetes, where an attacker could cause denial of service. The vulnerable component is Kyverno's Notary...

GHSA-RJJM-X32P-M3F7 gnark's range checker gadget allows wider inputs up to word alignment

Impact gnark provides a gadget in the standard library to allow optimized checking of the bitwidth of the inputs. The gadget works by constructing a fixed lookup table containing all valid entries, partitioning the input and checking that all parts are inside the lookup table. The range checker...

Symfony potential Cross-site Scripting in WebhookController

Description The error message in WebhookController returns unescaped user-submitted input. Resolution WebhookController now doesn't return any user-submitted input in its response. The patch for this issue is available here for branch 6.3. Credits We would like to thank Maxime Aknin for reporting...

GHSA-M2WJ-R6G3-FXFX Symfony possible session fixation vulnerability

Description SessionStrategyListener does not always migrate the session after a successful login. It only migrate the session when the logged-in user identifier changes. In some use cases, the user identifier doesn't change between the verification phase and the successful login, while the token...

CVE-2023-47120

Discourse is an open source platform for community discussion. In versions 3.1.0 through 3.1.2 of the stable branch and versions 3.1.0,beta6 through 3.2.0.beta2 of the beta and tests-passed branches, Redis memory can be depleted by crafting a site with an abnormally long favicon URL and drafting...

Design/Logic Flaw

Discourse is an open source platform for community discussion. In versions 3.1.0 through 3.1.2 of the stable branch and versions 3.1.0,beta6 through 3.2.0.beta2 of the beta and tests-passed branches, Redis memory can be depleted by crafting a site with an abnormally long favicon URL and drafting...

Server side request forgery (ssrf)

Discourse is an open source platform for community discussion. Prior to version 3.1.3 of the stable branch and version 3.2.0.beta3 of the beta and tests-passed branches, the embedding feature is susceptible to server side request forgery. The issue is patched in version 3.1.3 of the stable branch...

Design/Logic Flaw

Discourse is an open source platform for community discussion. Prior to version 3.1.3 of the stable branch and version 3.2.0.beta3 of the beta and tests-passed branches, if a user has been quoted and uses a | in their full name, they might be able to trigger a bug that generates a lot of duplicat...