- Issued:
- 2020-09-29
- Updated:
- 2020-09-29
RHSA-2020:4060 - Important: kernel security, bug fix, and enhancement update
Synopsis
Important: kernel security, bug fix, and enhancement update
Type/Severity
Security Advisory Important
Topic
An update for kernel is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
-
kernel: use-after-free in sound/core/timer.c (CVE-2019-19807)
-
kernel: out of bounds write in function i2c_smbus_xfer_emulated in drivers/i2c/i2c-core-smbus.c (CVE-2017-18551)
-
kernel: race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c leads to use-after-free (CVE-2018-20836)
-
kernel: out of bounds write in i2c driver leads to local escalation of privilege (CVE-2019-9454)
-
kernel: use after free due to race condition in the video driver leads to local privilege escalation (CVE-2019-9458)
Space precludes documenting all of the security fixes in this advisory. See the descriptions of the remaining security fixes in the related Knowledge Article:
https://access.redhat.com/articles/5442421
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes linked from the References section.
Solution
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
Affected Products
| Product | Version | Arch |
|---|---|---|
| Red Hat Virtualization Host | 4 | x86_64 |
| Red Hat Enterprise Linux for Scientific Computing | 7 | x86_64 |
| Red Hat Enterprise Linux for Power, little endian | 7 | ppc64le |
| Red Hat Enterprise Linux for Power, big endian | 7 | ppc64 |
| Red Hat Enterprise Linux for IBM z Systems | 7 | s390x |
| Red Hat Enterprise Linux Workstation | 7 | x86_64 |
| Red Hat Enterprise Linux Server | 7 | x86_64 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support | 7 | x86_64 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian | 7 | ppc64le |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian | 7 | ppc64 |
| Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) | 7 | s390x |
| Red Hat Enterprise Linux Desktop | 7 | x86_64 |
Updated Packages
- kernel-headers-3.10.0-1160.el7.ppc64le.rpm
- kernel-kdump-devel-3.10.0-1160.el7.s390x.rpm
- bpftool-debuginfo-3.10.0-1160.el7.ppc64.rpm
- kernel-debuginfo-common-s390x-3.10.0-1160.el7.s390x.rpm
- kernel-devel-3.10.0-1160.el7.s390x.rpm
- kernel-debug-3.10.0-1160.el7.ppc64.rpm
- kernel-bootwrapper-3.10.0-1160.el7.ppc64le.rpm
- kernel-tools-libs-devel-3.10.0-1160.el7.ppc64le.rpm
- kernel-debug-3.10.0-1160.el7.x86_64.rpm
- python-perf-3.10.0-1160.el7.x86_64.rpm
- python-perf-debuginfo-3.10.0-1160.el7.s390x.rpm
- kernel-kdump-debuginfo-3.10.0-1160.el7.s390x.rpm
- python-perf-debuginfo-3.10.0-1160.el7.ppc64.rpm
- python-perf-debuginfo-3.10.0-1160.el7.x86_64.rpm
- kernel-bootwrapper-3.10.0-1160.el7.ppc64.rpm
- kernel-tools-debuginfo-3.10.0-1160.el7.ppc64.rpm
- kernel-3.10.0-1160.el7.ppc64.rpm
- kernel-tools-libs-devel-3.10.0-1160.el7.x86_64.rpm
- kernel-debug-debuginfo-3.10.0-1160.el7.x86_64.rpm
- kernel-tools-3.10.0-1160.el7.x86_64.rpm
- kernel-abi-whitelists-3.10.0-1160.el7.noarch.rpm
- kernel-debuginfo-3.10.0-1160.el7.ppc64.rpm
- perf-debuginfo-3.10.0-1160.el7.ppc64le.rpm
- kernel-debug-3.10.0-1160.el7.ppc64le.rpm
- kernel-headers-3.10.0-1160.el7.ppc64.rpm
- perf-3.10.0-1160.el7.ppc64.rpm
- kernel-debuginfo-common-x86_64-3.10.0-1160.el7.x86_64.rpm
- kernel-doc-3.10.0-1160.el7.noarch.rpm
- kernel-kdump-3.10.0-1160.el7.s390x.rpm
- kernel-tools-libs-devel-3.10.0-1160.el7.ppc64.rpm
- kernel-debug-devel-3.10.0-1160.el7.x86_64.rpm
- bpftool-3.10.0-1160.el7.ppc64.rpm
- perf-3.10.0-1160.el7.x86_64.rpm
- bpftool-3.10.0-1160.el7.s390x.rpm
- kernel-debug-devel-3.10.0-1160.el7.ppc64le.rpm
- kernel-devel-3.10.0-1160.el7.x86_64.rpm
- kernel-tools-debuginfo-3.10.0-1160.el7.ppc64le.rpm
- kernel-headers-3.10.0-1160.el7.s390x.rpm
- perf-debuginfo-3.10.0-1160.el7.ppc64.rpm
- bpftool-3.10.0-1160.el7.x86_64.rpm
- kernel-debug-debuginfo-3.10.0-1160.el7.s390x.rpm
- python-perf-3.10.0-1160.el7.ppc64.rpm
- bpftool-3.10.0-1160.el7.ppc64le.rpm
- kernel-3.10.0-1160.el7.src.rpm
- kernel-debuginfo-3.10.0-1160.el7.ppc64le.rpm
- kernel-debug-devel-3.10.0-1160.el7.s390x.rpm
- python-perf-debuginfo-3.10.0-1160.el7.ppc64le.rpm
- kernel-debug-3.10.0-1160.el7.s390x.rpm
- bpftool-debuginfo-3.10.0-1160.el7.s390x.rpm
- kernel-tools-libs-3.10.0-1160.el7.x86_64.rpm
- kernel-3.10.0-1160.el7.s390x.rpm
- kernel-tools-3.10.0-1160.el7.ppc64le.rpm
- perf-debuginfo-3.10.0-1160.el7.s390x.rpm
- python-perf-3.10.0-1160.el7.s390x.rpm
- kernel-headers-3.10.0-1160.el7.x86_64.rpm
- perf-debuginfo-3.10.0-1160.el7.x86_64.rpm
- kernel-debuginfo-3.10.0-1160.el7.x86_64.rpm
- kernel-devel-3.10.0-1160.el7.ppc64.rpm
- kernel-3.10.0-1160.el7.x86_64.rpm
- perf-3.10.0-1160.el7.s390x.rpm
- kernel-tools-libs-3.10.0-1160.el7.ppc64.rpm
- python-perf-3.10.0-1160.el7.ppc64le.rpm
- kernel-tools-debuginfo-3.10.0-1160.el7.x86_64.rpm
- kernel-debug-debuginfo-3.10.0-1160.el7.ppc64le.rpm
- perf-3.10.0-1160.el7.ppc64le.rpm
- kernel-debug-devel-3.10.0-1160.el7.ppc64.rpm
- kernel-debuginfo-common-ppc64-3.10.0-1160.el7.ppc64.rpm
- kernel-tools-3.10.0-1160.el7.ppc64.rpm
- kernel-tools-libs-3.10.0-1160.el7.ppc64le.rpm
- kernel-debuginfo-common-ppc64le-3.10.0-1160.el7.ppc64le.rpm
- bpftool-debuginfo-3.10.0-1160.el7.ppc64le.rpm
- bpftool-debuginfo-3.10.0-1160.el7.x86_64.rpm
- kernel-debug-debuginfo-3.10.0-1160.el7.ppc64.rpm
- kernel-3.10.0-1160.el7.ppc64le.rpm
- kernel-debuginfo-3.10.0-1160.el7.s390x.rpm
- kernel-devel-3.10.0-1160.el7.ppc64le.rpm
Fixes
- This content is not included.BZ - 1448750
- This content is not included.BZ - 1699402
- This content is not included.BZ - 1707796
- This content is not included.BZ - 1718176
- This content is not included.BZ - 1724345
- This content is not included.BZ - 1745528
- This content is not included.BZ - 1747216
- This content is not included.BZ - 1757368
- This content is not included.BZ - 1758242
- This content is not included.BZ - 1758248
- This content is not included.BZ - 1759681
- This content is not included.BZ - 1760100
- This content is not included.BZ - 1760310
- This content is not included.BZ - 1760420
- This content is not included.BZ - 1774988
- This content is not included.BZ - 1775015
- This content is not included.BZ - 1775021
- This content is not included.BZ - 1775042
- This content is not included.BZ - 1775047
- This content is not included.BZ - 1775074
- This content is not included.BZ - 1777239
- This content is not included.BZ - 1777418
- This content is not included.BZ - 1779594
- This content is not included.BZ - 1781679
- This content is not included.BZ - 1783434
- This content is not included.BZ - 1783459
- This content is not included.BZ - 1783518
- This content is not included.BZ - 1783540
- This content is not included.BZ - 1783554
- This content is not included.BZ - 1783561
- This content is not included.BZ - 1786078
- This content is not included.BZ - 1786160
- This content is not included.BZ - 1790063
- This content is not included.BZ - 1791954
- This content is not included.BZ - 1802555
- This content is not included.BZ - 1802563
- This content is not included.BZ - 1805135
- This content is not included.BZ - 1809833
- This content is not included.BZ - 1810685
- This content is not included.BZ - 1817141
- This content is not included.BZ - 1817718
- This content is not included.BZ - 1818818
- This content is not included.BZ - 1819377
- This content is not included.BZ - 1822077
- This content is not included.BZ - 1824059
- This content is not included.BZ - 1824270
- This content is not included.BZ - 1824918
- This content is not included.BZ - 1829662
- This content is not included.BZ - 1831399
- This content is not included.BZ - 1832332
- This content is not included.BZ - 1834845
- This content is not included.BZ - 1835127
- This content is not included.BZ - 1839634
- This content is not included.BZ - 1845326
- This content is not included.BZ - 1850716
CVEs
- CVE-2017-18551
- CVE-2018-20836
- CVE-2019-9454
- CVE-2019-9458
- CVE-2019-12614
- CVE-2019-15217
- CVE-2019-15807
- CVE-2019-15917
- CVE-2019-16231
- CVE-2019-16233
- CVE-2019-16994
- CVE-2019-17053
- CVE-2019-17055
- CVE-2019-18808
- CVE-2019-19046
- CVE-2019-19055
- CVE-2019-19058
- CVE-2019-19059
- CVE-2019-19062
- CVE-2019-19063
- CVE-2019-19332
- CVE-2019-19447
- CVE-2019-19523
- CVE-2019-19524
- CVE-2019-19530
- CVE-2019-19534
- CVE-2019-19537
- CVE-2019-19767
- CVE-2019-19807
- CVE-2019-20054
- CVE-2019-20095
- CVE-2019-20636
- CVE-2020-1749
- CVE-2020-2732
- CVE-2020-8647
- CVE-2020-8649
- CVE-2020-9383
- CVE-2020-10690
- CVE-2020-10732
- CVE-2020-10742
- CVE-2020-10751
- CVE-2020-10942
- CVE-2020-11565
- CVE-2020-12770
- CVE-2020-12826
- CVE-2020-14305
References
- https://access.redhat.com/security/updates/classification/#important
- https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index
- https://access.redhat.com/articles/5442421
Additional information
- The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
- Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.