RHSA-2021:2185: Important: kernel security and bug fix update
First published: Wed Jun 02 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 eventpoll.c may lead to escalation of privilege (CVE-2020-0466)</li> <li> kernel: Integer overflow in Intel(R) Graphics Drivers (CVE-2020-12362)</li> <li> kernel: SCSI target (LIO) write to any block on ILO backstore (CVE-2020-28374)</li> <li> kernel: DoS by corrupting mountpoint reference counter (CVE-2020-12114)</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> RHEL8.3 - Include patch: powerpc/pci: Remove LSI mappings on device teardown (xive/pci) (BZ#1931925)</li> <li> RHEL8.2 - [P10][Denali] System crash during a perf sanity test (perf:) (BZ#1933995)</li> <li> [RHEL 8.1] AMD/EPYC nested guest virtualization L1 guest crash (BZ#1945404)</li> <li> [HPEMC 8.1 REGRESSION] skx_uncore: probe of 0008:80:08.0 failed with error -22 (BZ#1947114)</li> <li> iperf3 over geneve created on vlan would fail (BZ#1947979)</li> <li> [Azure][RHEL-8]Mellanox Patches To Prevent Kernel Hang In MLX4 (BZ#1952071)</li> <li> [HPEMC 8.4 REGRESSION]: perf/x86/intel/uncore kernel panic vulnerability on Haswell and Broadwell servers (BZ#1956685)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/bpftool | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/bpftool-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-abi-whitelists | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-core | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-cross-headers | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debug | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debug-core | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debug-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debug-devel | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debug-modules | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debug-modules-extra | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-devel | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-doc | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-headers | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-modules | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-modules-extra | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-tools | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-tools-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-tools-libs | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/perf | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/perf-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/python3-perf | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/python3-perf-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/bpftool | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/bpftool-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-core | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-cross-headers | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debug | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debug-core | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debug-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debug-devel | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debug-modules | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debug-modules-extra | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debuginfo-common-s390x | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-devel | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-headers | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-modules | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-modules-extra | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-tools | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-tools-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-zfcpdump | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-zfcpdump-core | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-zfcpdump-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-zfcpdump-devel | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-zfcpdump-modules | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-zfcpdump-modules-extra | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/perf | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/perf-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/python3-perf | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/python3-perf-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/bpftool | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/bpftool-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-core | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-cross-headers | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debug | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debug-core | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debug-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debug-devel | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debug-modules | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debug-modules-extra | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-debuginfo-common-ppc64le | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-devel | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-headers | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-modules | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-modules-extra | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-tools | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-tools-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-tools-libs | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/perf | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/perf-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/python3-perf | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/python3-perf-debuginfo | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/bpftool | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/bpftool-debuginfo | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel-core | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel-cross-headers | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel-debug | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel-debug-core | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel-debug-debuginfo | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel-debug-devel | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel-debug-modules | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel-debug-modules-extra | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel-debuginfo | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel-debuginfo-common-aarch64 | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel-devel | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel-headers | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel-modules | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel-modules-extra | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel-tools | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel-tools-debuginfo | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel-tools-libs | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/perf | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/perf-debuginfo | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/python3-perf | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/python3-perf-debuginfo | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
| redhat/kernel-tools-libs-devel | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-tools-libs-devel | <4.18.0-193.56.1.el8_2 | 4.18.0-193.56.1.el8_2 |
| redhat/kernel-tools-libs-devel | <4.18.0-193.56.1.el8_2.aa | 4.18.0-193.56.1.el8_2.aa |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1848652
- https://bugzilla.redhat.com/show_bug.cgi?id=1899804
- https://bugzilla.redhat.com/show_bug.cgi?id=1920480
- https://bugzilla.redhat.com/show_bug.cgi?id=1930246
- https://access.redhat.com/security/updates/classification/#important
- https://access.redhat.com/errata/RHSA-2021:2185 (Advisory)
- agent/description
- agent/event
- agent/first-publish-date
- agent/last-modified-date
- agent/references
- agent/remedy
- agent/severity
- agent/softwarecombine
- agent/tags
- agent/title
- agent/type
- agent/weakness
- collector/redhat-errata
- source/Red Hat
- anchor-id/RHSA-2021:2185
- agent/software-canonical-lookup
- package-manager/redhat