RHSA-2022:8831: 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: KVM: cmpxchggpte can write to pfns outside the userspace region (CVE-2022-1158) kernel: openvswitch: integer underflow leads to out-of-bounds write in reservesfasize() (CVE-2022-2639) 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_0-372_13_1-1-3.el8_6 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-372_16_1-1-3.el8_6 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-372_19_1-1-2.el8_6 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-372_26_1-1-2.el8_6 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-372_32_1-1-1.el8_6 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-372_9_1-1-4.el8 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-372_13_1-debuginfo-1-3.el8_6 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-372_13_1-debugsource-1-3.el8_6 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-372_16_1-debuginfo-1-3.el8_6 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-372_16_1-debugsource-1-3.el8_6 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-372_19_1-debuginfo-1-2.el8_6 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-372_19_1-debugsource-1-2.el8_6 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-372_26_1-debuginfo-1-2.el8_6 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-372_26_1-debugsource-1-2.el8_6 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-372_32_1-debuginfo-1-1.el8_6 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-372_32_1-debugsource-1-1.el8_6 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-372_9_1-debuginfo-1-4.el8 - Upgrade
Upgrade
redhat/kpatch-patchto a version that resolves this vulnerability.Fixed in 4_18_0-372_9_1-debugsource-1-4.el8 - Upgrade
Upgrade
openvswitch/kernel (CVE-2022-2639)to a version that resolves this vulnerability.Patch kpatch-patch security update - Upgrade
Upgrade
KVM (CVE-2022-1158)to a version that resolves this vulnerability.Patch kpatch-patch security update
Event History
Frequently Asked Questions
What is the severity of RHSA-2022:8831?
The severity of RHSA-2022:8831 is classified as important.
How do I fix RHSA-2022:8831?
To fix RHSA-2022:8831, update the kpatch-patch to the latest version available for your system.
What vulnerabilities does RHSA-2022:8831 address?
RHSA-2022:8831 addresses vulnerabilities including CVE-2022-1158 related to the kernel's KVM component.
Which versions of kpatch-patch are affected by RHSA-2022:8831?
Affected versions of kpatch-patch include 4_18_0-372_9_1-1-4.el8 and other specified versions up to 4_18_0-372_32_1-1-1.el8_6.
Is upgrading kpatch-patch sufficient to resolve RHSA-2022:8831?
Yes, upgrading kpatch-patch to the remedied versions will resolve the issues outlined in RHSA-2022:8831.