RHSA-2021:3438: Moderate: kernel security and bug fix update
First published: Tue Sep 07 2021(Updated: )
The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: use-after-free in route4_change() in net/sched/cls_route.c (CVE-2021-3715)</li> 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.<br>Bug Fix(es):<br><li> [RHEL 7.8][s390x][DASD]Crash in __list_del_entry, alias_pav_group list corrupt when running dasd_alias_remove_device() (BZ#1889418)</li> <li> EMBARGOED CVE-2021-3715 kernel: use-after-free in route4_change() in net/sched/cls_route.c (BZ#1992926)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/bpftool | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/bpftool-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-abi-whitelists | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-debug | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-debug-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-debug-devel | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-devel | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-doc | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-headers | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-tools | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-tools-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-tools-libs | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-tools-libs-devel | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/perf | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/perf-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/python-perf | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/python-perf-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/bpftool | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/bpftool-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-debug | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-debug-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-debug-devel | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-debuginfo-common-s390x | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-devel | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-headers | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-kdump | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-kdump-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-kdump-devel | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/perf | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/perf-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/python-perf | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/python-perf-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-bootwrapper | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-debuginfo-common-ppc64 | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-tools | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-tools-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-tools-libs | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-tools-libs-devel | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/bpftool | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/bpftool-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-bootwrapper | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-debug | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-debug-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-debug-devel | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-debuginfo-common-ppc64le | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-devel | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-headers | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-tools | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-tools-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-tools-libs | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/kernel-tools-libs-devel | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/perf | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/perf-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/python-perf | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
| redhat/python-perf-debuginfo | <3.10.0-1160.42.2.el7 | 3.10.0-1160.42.2.el7 |
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Reference Links
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- collector/redhat-errata
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- package-manager/redhat