7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
38.3%
CentOS Errata and Security Advisory CESA-2021:1071
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
kernel: out-of-bounds read in libiscsi module (CVE-2021-27364)
kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)
kernel: iscsi: unrestricted access to sessions and handles (CVE-2021-27363)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
Customer testing eMMC sees and intermittent boot problem on 7.8+, was not seen on 7.3 (BZ#1918916)
tcm loopback driver causes double-start of scsi command when work is delayed (BZ#1925652)
[Azure][RHEL-7]Mellanox Patches To Prevent Kernel Hang In MLX4 (BZ#1925691)
A patch from upstream c365c292d059 causes us to end up leaving rt_nr_boosted in an inconsistent state, which causes a hard lockup. (BZ#1928082)
[RHEL7.9.z] Add fix to update snd_wl1 in bulk receiver fast path (BZ#1929804)
Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2021-April/086089.html
Affected packages:
bpftool
kernel
kernel-abi-whitelists
kernel-debug
kernel-debug-devel
kernel-devel
kernel-doc
kernel-headers
kernel-tools
kernel-tools-libs
kernel-tools-libs-devel
perf
python-perf
Upstream details at:
https://access.redhat.com/errata/RHSA-2021:1071
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
CentOS | 7 | x86_64 | bpftool | < 3.10.0-1160.24.1.el7 | bpftool-3.10.0-1160.24.1.el7.x86_64.rpm |
CentOS | 7 | x86_64 | kernel | < 3.10.0-1160.24.1.el7 | kernel-3.10.0-1160.24.1.el7.x86_64.rpm |
CentOS | 7 | noarch | kernel-abi-whitelists | < 3.10.0-1160.24.1.el7 | kernel-abi-whitelists-3.10.0-1160.24.1.el7.noarch.rpm |
CentOS | 7 | x86_64 | kernel-debug | < 3.10.0-1160.24.1.el7 | kernel-debug-3.10.0-1160.24.1.el7.x86_64.rpm |
CentOS | 7 | x86_64 | kernel-debug-devel | < 3.10.0-1160.24.1.el7 | kernel-debug-devel-3.10.0-1160.24.1.el7.x86_64.rpm |
CentOS | 7 | x86_64 | kernel-devel | < 3.10.0-1160.24.1.el7 | kernel-devel-3.10.0-1160.24.1.el7.x86_64.rpm |
CentOS | 7 | noarch | kernel-doc | < 3.10.0-1160.24.1.el7 | kernel-doc-3.10.0-1160.24.1.el7.noarch.rpm |
CentOS | 7 | x86_64 | kernel-headers | < 3.10.0-1160.24.1.el7 | kernel-headers-3.10.0-1160.24.1.el7.x86_64.rpm |
CentOS | 7 | x86_64 | kernel-tools | < 3.10.0-1160.24.1.el7 | kernel-tools-3.10.0-1160.24.1.el7.x86_64.rpm |
CentOS | 7 | x86_64 | kernel-tools-libs | < 3.10.0-1160.24.1.el7 | kernel-tools-libs-3.10.0-1160.24.1.el7.x86_64.rpm |
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
38.3%