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...

Ubuntu: Security Advisory (USN-4748-1)

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...

USN-4749-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, linux-gke-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

Bodong Zhao discovered a use-after-free in the Sun keyboard driver implementation in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2020-25669 It was discovered that the jfs file system implementation in the Linux kernel...

USN-4748-1 linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that the jfs file system implementation in the Linux kernel contained an out-of-bounds read vulnerability. A local attacker could use this to possibly cause a denial of service system crash. CVE-2020-27815 It was discovered that the memory management subsystem in the Linux kerne...

SUSE-SU-2021:0377-1 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-2020-36158: Fixed a potential remote code execution in the Marvell mwifiex driver bsc1180562. - CVE-2020-0465: Fixed multiple missing bounds checks in hid-multitouch.c that could...

An issue was discovered in the Linux kernel before 5.7.3 related to mm/gup.c and mm/huge_memory.c. The get_user_pages (aka gup) implementation when used for a copy-on-write page does not properly consider the semantics of read operations and therefore can grant unintended write access aka CID-17839856fd58.

...

An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check aka CID-c444eb564fb1.

...

CVE-2020-29368

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. Mitigation Mitigation for this issue is either not available or the currently available options...

Linux kernel code issue vulnerability (CNVD-2020-68543)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in versions of Linux kernel prior to 5.7.5, which stems from a contention condition in split huge pmd in mm huge memoryc, where the copy-on-writ...

CVE-2020-29374

An issue was discovered in the Linux kernel before 5.7.3, related to mm/gup.c and mm/hugememory.c. The getuserpages aka gup implementation, when used for a copy-on-write page, does not properly consider the semantics of read operations and therefore can grant unintended write access, aka...

DEBIAN-CVE-2020-29374

An issue was discovered in the Linux kernel before 5.7.3, related to mm/gup.c and mm/hugememory.c. The getuserpages aka gup implementation, when used for a copy-on-write page, does not properly consider the semantics of read operations and therefore can grant unintended write access, aka...

DEBIAN-CVE-2020-29368

An issue was discovered in splithugepmd in mm/hugememory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1...

CVE-2020-29368

An issue was discovered in splithugepmd in mm/hugememory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1...

CVE-2020-29368

An issue was discovered in splithugepmd in mm/hugememory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1...

Race condition

An issue was discovered in splithugepmd in mm/hugememory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1...

Design/Logic Flaw

An issue was discovered in the Linux kernel before 5.7.3, related to mm/gup.c and mm/hugememory.c. The getuserpages aka gup implementation, when used for a copy-on-write page, does not properly consider the semantics of read operations and therefore can grant unintended write access, aka...

UBUNTU-CVE-2020-29374

An issue was discovered in the Linux kernel before 5.7.3, related to mm/gup.c and mm/hugememory.c. The getuserpages aka gup implementation, when used for a copy-on-write page, does not properly consider the semantics of read operations and therefore can grant unintended write access, aka...

UBUNTU-CVE-2020-29368

An issue was discovered in splithugepmd in mm/hugememory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1...

CVE-2020-29368

Affected software: Linux kernel up to version prior to 5.7.5 (pre-5.7.5). Vulnerability details: In mm/huge_memory.c, __split_huge_pmd, the copy-on-write CoW implementation can grant unintended write access due to a race in the THP mapcount check. This race condition can lead to local write acces...

CVE-2020-29374

An issue was discovered in the Linux kernel before 5.7.3, related to mm/gup.c and mm/hugememory.c. The getuserpages aka gup implementation, when used for a copy-on-write page, does not properly consider the semantics of read operations and therefore can grant unintended write access, aka...