RHSA-2021:1279: Important: kernel-rt security and bug fix update
First published: Tue Apr 20 2021(Updated: )
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.<br>Security Fix(es):<br><li> kernel: Use after free via PI futex state (CVE-2021-3347)</li> <li> kernel: out-of-bounds read in libiscsi module (CVE-2021-27364)</li> <li> kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)</li> <li> kernel: iscsi: unrestricted access to sessions and handles (CVE-2021-27363)</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> kernel-rt: update RT source tree to the latest RHEL-8.2.z8 Batch source tree (BZ#1916765)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <4.18.0-193.51.1.rt13.101.el8_2 | 4.18.0-193.51.1.rt13.101.el8_2 |
| redhat/kernel-rt | <4.18.0-193.51.1.rt13.101.el8_2 | 4.18.0-193.51.1.rt13.101.el8_2 |
| redhat/kernel-rt-core | <4.18.0-193.51.1.rt13.101.el8_2 | 4.18.0-193.51.1.rt13.101.el8_2 |
| redhat/kernel-rt-debug | <4.18.0-193.51.1.rt13.101.el8_2 | 4.18.0-193.51.1.rt13.101.el8_2 |
| redhat/kernel-rt-debug-core | <4.18.0-193.51.1.rt13.101.el8_2 | 4.18.0-193.51.1.rt13.101.el8_2 |
| redhat/kernel-rt-debug-debuginfo | <4.18.0-193.51.1.rt13.101.el8_2 | 4.18.0-193.51.1.rt13.101.el8_2 |
| redhat/kernel-rt-debug-devel | <4.18.0-193.51.1.rt13.101.el8_2 | 4.18.0-193.51.1.rt13.101.el8_2 |
| redhat/kernel-rt-debug-modules | <4.18.0-193.51.1.rt13.101.el8_2 | 4.18.0-193.51.1.rt13.101.el8_2 |
| redhat/kernel-rt-debug-modules-extra | <4.18.0-193.51.1.rt13.101.el8_2 | 4.18.0-193.51.1.rt13.101.el8_2 |
| redhat/kernel-rt-debuginfo | <4.18.0-193.51.1.rt13.101.el8_2 | 4.18.0-193.51.1.rt13.101.el8_2 |
| redhat/kernel-rt-devel | <4.18.0-193.51.1.rt13.101.el8_2 | 4.18.0-193.51.1.rt13.101.el8_2 |
| redhat/kernel-rt-modules | <4.18.0-193.51.1.rt13.101.el8_2 | 4.18.0-193.51.1.rt13.101.el8_2 |
| redhat/kernel-rt-modules-extra | <4.18.0-193.51.1.rt13.101.el8_2 | 4.18.0-193.51.1.rt13.101.el8_2 |
| redhat/kernel-rt-debug-kvm | <4.18.0-193.51.1.rt13.101.el8_2 | 4.18.0-193.51.1.rt13.101.el8_2 |
| redhat/kernel-rt-kvm | <4.18.0-193.51.1.rt13.101.el8_2 | 4.18.0-193.51.1.rt13.101.el8_2 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1922249
- https://bugzilla.redhat.com/show_bug.cgi?id=1930078
- https://bugzilla.redhat.com/show_bug.cgi?id=1930079
- https://bugzilla.redhat.com/show_bug.cgi?id=1930080
- https://access.redhat.com/security/updates/classification/#important
- https://access.redhat.com/errata/RHSA-2021:1279 (Advisory)
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- anchor-id/RHSA-2021:1279
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