RHSA-2022:1418: Important: kpatch-patch security update
This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.Security Fix(es): kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083) kernel: cgroups v1 releaseagent feature may allow privilege escalation (CVE-2022-0492) kernel: heap out of bounds write in nfdupnetdev.c (CVE-2022-25636) 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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305-1-12.el8 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_10_2-1-9.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_12_1-1-8.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_17_1-1-7.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_19_1-1-7.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_25_1-1-6.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_28_1-1-4.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_30_1-1-4.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_34_2-1-2.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_3_1-1-11.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_40_1-1-1.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_40_2-1-1.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_7_1-1-10.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305-debuginfo-1-12.el8 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305-debugsource-1-12.el8 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_10_2-debuginfo-1-9.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_10_2-debugsource-1-9.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_12_1-debuginfo-1-8.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_12_1-debugsource-1-8.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_17_1-debuginfo-1-7.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_17_1-debugsource-1-7.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_19_1-debuginfo-1-7.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_19_1-debugsource-1-7.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_25_1-debuginfo-1-6.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_25_1-debugsource-1-6.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_28_1-debuginfo-1-4.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_28_1-debugsource-1-4.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_30_1-debuginfo-1-4.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_30_1-debugsource-1-4.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_34_2-debuginfo-1-2.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_34_2-debugsource-1-2.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_3_1-debuginfo-1-11.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_3_1-debugsource-1-11.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_40_1-debuginfo-1-1.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_40_1-debugsource-1-1.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_40_2-debuginfo-1-1.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_40_2-debugsource-1-1.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_7_1-debuginfo-1-10.el8_4 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-305_7_1-debugsource-1-10.el8_4 - Upgrade
Upgrade
kernel (kpatch-patch live patch module)to a version that resolves this vulnerability.Patch CVE-2021-4083 - Compensating control
Apply the kpatch-patch security update so the RPM post-install script loads the kernel live patch module to address the listed kernel security fix(es, including the CVEs referenced in the advisory (CVE-2022-0492 and CVE-2022-25636).
Event History
Frequently Asked Questions
What is the severity of RHSA-2022:1418?
The severity of RHSA-2022:1418 is classified as important.
How do I fix RHSA-2022:1418?
To fix RHSA-2022:1418, update your kpatch-patch package to the latest version provided by Red Hat.
What does the vulnerability cover in RHSA-2022:1418?
RHSA-2022:1418 addresses issues in the kernel related to improper handling of file descriptors.
Which systems are affected by RHSA-2022:1418?
RHSA-2022:1418 affects Red Hat Enterprise Linux 8 systems running specific versions of the kpatch-patch package.
What components does RHSA-2022:1418 impact?
RHSA-2022:1418 impacts the kernel live patch module used for updating the running kernel without rebooting.