Fuchsia 安全漏洞

Fuchsia is an open source general-purpose operating system. a security vulnerability exists in Fuchsia, which stems from the fact that the software can modify VMO data by accessing a copy-on-write snapshot, which can be exploited by local attackers to modify objects in VMO that they do not have...

CVE-2022-0247: Incorrect Permission Assignment for Critical Resource

An issue exists in Fuchsia where VMO data can be modified through access to copy-on-write snapshots. A local attacker could modify objects in the VMO that they do not have permission to. We recommend upgrading past commit d97c05d2301799ed585620a9c5c739d36e7b5d3d or any of the listed versions...

CentOS 8 : kernel (CESA-2021:4356)

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:4356 advisory. - kernel: Intel graphics card information leak. CVE-2019-14615 - kernel: out-of-bounds reads in pinctrl subsystem. CVE-2020-0427 - kernel: Improper inp...

RHEL 8 : kernel-rt (RHSA-2021:4140)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4140 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

kernel: the copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check

An issue was discovered in splithugepmd in mm/hugememory.c in the Linux kernel. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check...

kernel: the copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check

An issue was discovered in splithugepmd in mm/hugememory.c in the Linux kernel. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check...

SUSE: Security Advisory (SUSE-SU-2021:0736-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

CVE-2021-29626

In FreeBSD 13.0-STABLE before n245117, 12.2-STABLE before r369551, 11.4-STABLE before r369559, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, copy-on-write logic failed to invalidate shared memory page mappings between multiple processes allowing an unprivileged process t...

CVE-2021-29626

The CVE-2021-29626 issue affects FreeBSD memory management: copy-on-write logic fails to invalidate shared memory page mappings, allowing an unprivileged local process to read private data after freeing a mapping. Affected: FreeBSD 13.0-STABLE before n245117, 12.2-STABLE before r369551, 11.4-STAB...

CVE-2021-29626

In FreeBSD 13.0-STABLE before n245117, 12.2-STABLE before r369551, 11.4-STABLE before r369559, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, copy-on-write logic failed to invalidate shared memory page mappings between multiple processes allowing an unprivileged process t...

CVE-2021-29626

In FreeBSD 13.0-STABLE before n245117, 12.2-STABLE before r369551, 11.4-STABLE before r369559, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, copy-on-write logic failed to invalidate shared memory page mappings between multiple processes allowing an unprivileged process t...

CVE-2021-29626: Use After Free

In FreeBSD 13.0-STABLE before n245117, 12.2-STABLE before r369551, 11.4-STABLE before r369559, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, copy-on-write logic failed to invalidate shared memory page mappings between multiple processes allowing an unprivileged process t...

PT-2021-3594

Name of the Vulnerable Software and Affected Versions FreeBSD versions 13.0-STABLE before n245117 FreeBSD versions 12.2-STABLE before r369551 FreeBSD versions 11.4-STABLE before r369559 FreeBSD versions 13.0-RC5 before p1 FreeBSD versions 12.2-RELEASE before p6 FreeBSD versions 11.4-RELEASE befor...

FreeBSD -- Memory disclosure by stale virtual memory mapping

Problem Description: A particular case of memory sharing is mishandled in the virtual memory system. It is possible and legal to establish a relationship where multiple descendant processes share a mapping which shadows memory of an ancestor process. In this scenario, when one process modifies...

SUSE-SU-2021:0853-1 Security update for the Linux Kernel (Live Patch 9 for SLE 15 SP1)

This update for the Linux Kernel 4.12.14-19734 fixes several issues. The following security issues were fixed: - CVE-2020-29368: Fixed an issue in copy-on-write implementation which could have granted unintended write access because of a race condition in a THP mapcount check bsc1179664. - Fixed ...

SUSE-SU-2021:0864-1 Security update for the Linux Kernel (Live Patch 22 for SLE 15 SP1)

This update for the Linux Kernel 4.12.14-19783 fixes one issue. The following security issue was fixed: - CVE-2020-29368: Fixed an issue in copy-on-write implementation which could have granted unintended write access because of a race condition in a THP mapcount check bsc1179664...

SUSE-SU-2021:0841-1 Security update for the Linux Kernel (Live Patch 8 for SLE 15 SP2)

This update for the Linux Kernel 5.3.18-2443 fixes several issues. The following security issues were fixed: - CVE-2020-29368: Fixed an issue in copy-on-write implementation which could have granted unintended write access because of a race condition in a THP mapcount check bsc1179664. -...

SUSE SLES12 Security Update : kernel (SUSE-SU-2021:0736-1)

The SUSE Linux Enterprise 12 SP4 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2021-26930: Fixed an improper error handling in blkback's grant mapping XSA-365 bsc1181843. CVE-2021-26931: Fixed an issue where Linux kernel was treating gra...

SUSE SLES15 Security Update : kernel (SUSE-SU-2021:0740-1)

The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2021-26930: Fixed an improper error handling in blkback's grant mapping XSA-365 bsc1181843. CVE-2021-26931: Fixed an issue where Linux kernel was treating grant...

SUSE SLES15 Security Update : kernel (SUSE-SU-2021:0737-1)

The SUSE Linux Enterprise 15 SP1 kernel was updated receive various security and bugfixes. The following security bugs were fixed : CVE-2021-26930: Fixed an improper error handling in blkback's grant mapping XSA-365 bsc1181843. CVE-2021-26931: Fixed an issue where Linux kernel was treating grant...