Linux: backends treating grant mapping errors as bugs

ISSUE DESCRIPTION Block, net, and SCSI backends consider certain errors a plain bug, deliberately causing a kernel crash. For errors potentially being at least under the influence of guests, like out of memory conditions, it isn't correct to assume so. Memory allocations potentially causing such...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9053)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9053 advisory. - xen-blkback: fix error handling in xenblkbkmap Jan Beulich Orabug: 32492109 CVE-2021-26930 - xen-scsiback: don't 'handle' error by BUG Jan Beulic...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. There are security vulnerabilities in the Linux kernel. An attacker can exploit the vulnerability to cause the kernel to crash...

Kernel update: Virtuozzo ReadyKernel patch 121.5 for Virtuozzo Hybrid Server 7.5

The cumulative Virtuozzo ReadyKernel patch was updated with a stability fix. The patch applies to the kernel 3.10.0-1127.18.2.vz7.163.46 Virtuozzo Hybrid Server 7.5. Vulnerability id: VSTOR-39656 fusekiopcs: Potential kernel crash in fusemapresolve...

CVE-2020-24360

An issue with ARP packets in Arista’s EOS affecting the 7800R3, 7500R3, and 7280R3 series of products may result in issues that cause a kernel crash, followed by a device reload. The affected Arista EOS versions are: 4.24.2.4F and below releases in the 4.24.x train; 4.23.4M and below releases in...

CVE-2020-24360

An issue with ARP packets in Arista’s EOS affecting the 7800R3, 7500R3, and 7280R3 series of products may result in issues that cause a kernel crash, followed by a device reload. The affected Arista EOS versions are: 4.24.2.4F and below releases in the 4.24.x train; 4.23.4M and below releases in...

Design/Logic Flaw

An issue with ARP packets in Arista’s EOS affecting the 7800R3, 7500R3, and 7280R3 series of products may result in issues that cause a kernel crash, followed by a device reload. The affected Arista EOS versions are: 4.24.2.4F and below releases in the 4.24.x train; 4.23.4M and below releases in...

CVE-2020-24360

Summary of CVE-2020-24360 (Arista EOS ARP issue) An ARP-related vulnerability affects Arista EOS on 7500R3, 7800R3, and 7280R3 platforms running EOS releases in the 4.24.x, 4.23.x, or 4.22.x trains. The issue can cause a kernel crash leading to a device reload, with a noted crash signature in aff...

CVE-2020-24360

An issue with ARP packets in Arista’s EOS affecting the 7800R3, 7500R3, and 7280R3 series of products may result in issues that cause a kernel crash, followed by a device reload. The affected Arista EOS versions are: 4.24.2.4F and below releases in the 4.24.x train; 4.23.4M and below releases in...

Arista Networks Arista EOS Security Breach

Arista Networks Arista EOS is a scalable operating system for data centers and cloud network centers from Arista Networks, Inc. Arista EOS builds cloud architectures that scale to hundreds of thousands of compute and storage nodes with management and provisioning capabilities for large-scale jobs...

Security Advisory 0059

Security Advisory 0059 . CSAF PDF Date: December 16th, 2020 Version: 1.0 Revision | Date | Changes ---|---|--- 1.0 | December 16th, 2020 | Initial Release The CVE-ID tracking this issue is: CVE-2020-24360 CVSSv3.1 Base Score: 7.4/10 AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H Description This advisory...

Security update for the Linux Kernel (important)

openSUSE Security Update: Security update for the Linux Kernel Announcement ID: openSUSE-SU-2020:2193-1 Rating: important References: 1050242 1050536 1050545 1056653 1056657 1056787 1064802 1066129 1103990 1103992 1104389 1104393 1109837 1110096 1111666 1112178 1112374 1118657 1122971 1136460...

A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel aka CID-3c4e0dff2095. This occurs because KD_FONT_OP_COPY in drivers/tty/vt/vt.c can be used for manipulations such as font height.

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Kernel update: Virtuozzo ReadyKernel patch 119.5 for Virtuozzo Hybrid Server 7.0 and Virtuozzo Hybrid Infrastructure 4.0

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to the kernels 3.10.0-1127.8.2.vz7.151.14 Virtuozzo Hybrid Server 7.0.14, 3.10.0-1127.8.2.vz7.158.8 Virtuozzo Hybrid Infrastructure 4.0. Vulnerability id: PSBM-122035 3.10.0-1127.8.2.vz7.151.14 to...

CVE-2020-28974

A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095. This occurs because KDFONTOPCOPY in drivers/tty/vt/vt.c can be used for manipulations such as font height...

DEBIAN-CVE-2020-28974

A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095. This occurs because KDFONTOPCOPY in drivers/tty/vt/vt.c can be used for manipulations such as font height...

CVE-2020-28974

A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095. This occurs because KDFONTOPCOPY in drivers/tty/vt/vt.c can be used for manipulations such as font height...

Design/Logic Flaw

A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095. This occurs because KDFONTOPCOPY in drivers/tty/vt/vt.c can be used for manipulations such as font height...

CVE-2020-28974

A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095. This occurs because KDFONTOPCOPY in drivers/tty/vt/vt.c can be used for manipulations such as font height...

CVE-2020-28974

CVE-2020-28974 is a slab-out-of-bounds read in the Linux kernel’s fbcon driver, fixed in kernel 5.9.7. The flaw arises in KD_FONT_OP_COPY within drivers/tty/vt/vt.c and could allow a local attacker to read privileged kernel memory or cause a kernel crash. Several connected documents describe the ...