CVE-2022-35897

An stack buffer overflow vulnerability leads to arbitrary code execution issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. If the attacker modifies specific UEFI variables, it can cause a stack overflow, leading to arbitrary code execution. The specific variables are normally...

Multiple race conditions due to TOCTOU flaws in various UEFI Implementations

Overview Multiple Unified Extensible Firmware Interface UEFI implementations are vulnerable to code execution in System Management Mode SMM by an attacker who gains administrative privileges on the local machine. An attacker can corrupt the memory using Direct Memory Access DMA timing attacks tha...

subscription-manager bug fix and enhancement update

An update is available for subscription-manager. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The subscription-manager packages provide programs and libraries...

Unbreakable Enterprise kernel security update

5.15.0-0.30.19 - net/mlx4: Increase numsrq in lowmemprofile Dave Kleikamp Orabug: 34052160 5.15.0-0.30.18 - Revert ocfs2: mount shared volume without ha stack Junxiao Bi Orabug: 33701900 - KVM: x86/speculation: Disable Fill buffer clear within guests Pawan Gupta Orabug: 34202258 CVE-2022-21123...

Unbreakable Enterprise kernel security update

4.14.35-2047.514.3 - uek-rpm: Update OL7 SecureBoot certificate files Saeed Mirzamohammadi Orabug: 34219958 4.14.35-2047.514.2 - perf: Fix sysperfeventopen race against self Peter Zijlstra Orabug: 34207044 CVE-2022-1729 - debug: Lock down kgdb Stephen Brennan Orabug: 34207043 CVE-2022-21499...

Unbreakable Enterprise kernel security update

5.4.17-2136.308.7 - uek-rpm: Update OL7/8 Secureboot certificate and shim versions Sherry Yang Orabug: 34248329 5.4.17-2136.308.6 - mac80211hwsim: call ieee80211txprepareskb under RCU protection Johannes Berg - arm: remove CONFIGARCHHASHOLESMEMORYMODEL Mike Rapoport - x86/cpu: Load microcode duri...

kernel security, bug fix, and enhancement update

4.18.0-372.9.1.OL8 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and...

InsydeH2O UEFI software impacted by multiple vulnerabilities in SMM

Overview The InsydeH2O Hardware-2-Operating System H2O UEFI firmware contains multiple vulnerabilities related to memory management in System Management Mode SMM. Description UEFI software provides an extensible interface between an operating system and platform firmware. UEFI software uses a...

Mageia: Security Advisory (MGASA-2021-0315)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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...

Dell DBUtilDrv2.sys Memory Protection Modifier

The Dell DBUtilDrv2.sys drivers version 2.5 and 2.7 have a write-what-where condition that allows an attacker to read and write arbitrary kernel-mode memory. This module installs the provided driver, enables or disables LSA protection on the provided PID, and then removes the driver. This would...

NewStart CGSL MAIN 6.02 : grub2 Multiple Vulnerabilities (NS-SA-2021-0133)

The remote NewStart CGSL host, running version MAIN 6.02, has grub2 packages installed that are affected by multiple vulnerabilities: - A flaw was found in grub2 in versions prior to 2.06, where it incorrectly enables the usage of the ACPI command when Secure Boot is enabled. This flaw allows an...

MGASA-2021-0315 Updated grub2 packages fix security vulnerabilities

All CVEs below are against the SecureBoot functionality in GRUB2. We do not ship this as part of Mageia. Therefore, we ship an updated grub2 package to 2.06 for Mageia 8 fixing upstream bugfixes. A flaw was found in grub2, prior to version 2.06. An attacker may use the GRUB 2 flaw to hijack and...

Unbreakable Enterprise kernel security update

4.1.12-124.52.4 - IB/core: Only update PKEY and GID caches on respective events Hakon Bugge Orabug: 32816368 - Revert 'Allow mce to reset instead of panic on UE' William Roche Orabug: 32820278 - Bluetooth: verify AMP hcichan before ampdestroy Archie Pusaka Orabug: 32912103 CVE-2021-33034 -...

Unbreakable Enterprise kernel security update

4.14.35-2047.502.4 - Revert 'rds: ib: Remove two ibmodifyqp calls' Sharath Srinivasan Orabug: 32715567 - uek-rpm: Update SecureBoot Digicert 2021 certificates Somasundaram Krishnasamy Orabug: 32532514 4.14.35-2047.502.3 - video: hypervfb: Fix the mmap regression for v5.4.y and older Dexuan Cui...

Unbreakable Enterprise kernel security update

4.1.12-124.49.3.1 - SecureBoot Digicert 2021 certificates update Brian Maly Orabug: 32532671 4.1.12-124.49.3 - xen/netback: avoid race in xenvifrxringslotsavailable Juergen Gross Orabug: 32485156 - audit: fix error handling in auditdatatoentry Paul Moore Orabug: 32608451 CVE-2020-0444...

CVE-2021-3418

If certificates that signed grub are installed into db, grub can be booted directly. It will then boot any kernel without signature validation. The booted kernel will think it was booted in secureboot mode and will implement lockdown, yet it could have been tampered. This flaw is a reintroduction...

CVE-2021-3418

If certificates that signed grub are installed into db, grub can be booted directly. It will then boot any kernel without signature validation. The booted kernel will think it was booted in secureboot mode and will implement lockdown, yet it could have been tampered. This flaw is a reintroduction...

Input validation

If certificates that signed grub are installed into db, grub can be booted directly. It will then boot any kernel without signature validation. The booted kernel will think it was booted in secureboot mode and will implement lockdown, yet it could have been tampered. This flaw is a reintroduction...

CVE-2021-3418

If certificates that signed grub are installed into db, grub can be booted directly. It will then boot any kernel without signature validation. The booted kernel will think it was booted in secureboot mode and will implement lockdown, yet it could have been tampered. This flaw is a reintroduction...

CVE-2021-3418

CVE-2021-3418 affects GRUB2 where, if certificates that sign GRUB are installed into the database, GRUB can boot any kernel without signature validation. The booted kernel may believe it is in Secure Boot lockdown, potentially allowing tampering. Affected: GRUB2 before 2.06 (including upstream an...