Issued:: 2021-05-18
Updated:: 2021-05-18

RHBA-2021:1688 - Bug Fix Advisory

Overview
Updated Packages

Synopsis

kpatch bug fix and enhancement update

Type/Severity

Bug Fix Advisory

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for kpatch is now available for Red Hat Enterprise Linux 8.

Description

The kpatch management tool provides a kernel patching infrastructure which allows you to patch a running kernel without rebooting or restarting any processes. The kpatch tool works at the function level for replacing old functions with new functions using hot patch modules.

This update fixes the following bugs and adds enhancements:

[RFE] kpatch-patch dnf plugin (BZ#1798711)
rebase kpatch user utility code (BZ#1877857)
Kpatch unload issue under stress (BZ#1883238)
kpatch.spec use %config for dnf plugin's kpatch.conf (BZ#1898191)
kpatch-dnf: man page file permissions (BZ#1899341)
kpatch-dnf is in BaseOS but has AppStream dependency (BZ#1912224)

Users of kpatch are advised to upgrade to these updated packages, which fix these bugs and add enhancements.

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

Red Hat Enterprise Linux for x86_64 8 x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.8 x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.8 x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6 x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.6 x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4 x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.4 x86_64
Red Hat Enterprise Linux Server - AUS 8.6 x86_64
Red Hat Enterprise Linux Server - AUS 8.4 x86_64
Red Hat Enterprise Linux for IBM z Systems 8 s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.8 s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6 s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.4 s390x
Red Hat Enterprise Linux for Power, little endian 8 ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.8 ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6 ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.4 ppc64le
Red Hat Enterprise Linux Server - TUS 8.8 x86_64
Red Hat Enterprise Linux Server - TUS 8.6 x86_64
Red Hat Enterprise Linux Server - TUS 8.4 x86_64
Red Hat Enterprise Linux for ARM 64 8 aarch64
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.8 aarch64
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6 aarch64
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.4 aarch64
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8 ppc64le
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.4 ppc64le
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 x86_64
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.4 x86_64

Fixes

BZ - 1877857 - rebase kpatch user utility code
BZ - 1883238 - Kpatch unload issue under stress
BZ - 1898191 - kpatch.spec use %config for dnf plugin's kpatch.conf
BZ - 1899341 - kpatch-dnf: man page file permissions

CVEs

(none)

References

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/index

Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux for x86_64 8

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
x86_64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.8

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
x86_64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.8

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
x86_64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.6

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
x86_64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
x86_64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.4

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
x86_64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
x86_64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux Server - AUS 8.6

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
x86_64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux Server - AUS 8.4

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
x86_64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for IBM z Systems 8

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
s390x
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.8

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
s390x
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
s390x
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.4

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
s390x
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for Power, little endian 8

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
ppc64le
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.8

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
ppc64le
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
ppc64le
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.4

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
ppc64le
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux Server - TUS 8.8

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
x86_64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux Server - TUS 8.6

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
x86_64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux Server - TUS 8.4

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
x86_64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for ARM 64 8

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
aarch64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.8

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
aarch64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
aarch64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.4

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
aarch64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
ppc64le
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
ppc64le
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.4

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
ppc64le
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
x86_64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
x86_64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.4

SRPM
kpatch-0.9.2-3.el8.src.rpm	SHA-256: e058bfb594bbadf593e2b7f5da56ea037fa18c3e9999ca85d73aacfd78e47a2e
x86_64
kpatch-0.9.2-3.el8.noarch.rpm	SHA-256: abcfcd55100a573b989a02daca2589d4c1a82800c18881a4563c28ccf6e01a9d
kpatch-dnf-0.2-3.el8.noarch.rpm	SHA-256: 0260f54cec0a14356cc8e3d9986d80cdc1eafec1f4735fdb5f6faff14b8e6029

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.