RHSA-2021:1069: Important: kpatch-patch security update

Published Apr 6, 2021
·
Updated

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: out-of-bounds read in libiscsi module (CVE-2021-27364) kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365) 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

35 affected componentsFixes available
redhat/kpatch-patch<3_10_0-1160-1-5.el7
3_10_0-1160-1-5.el7
redhat/kpatch-patch<3_10_0-1160_11_1-1-4.el7
3_10_0-1160_11_1-1-4.el7
redhat/kpatch-patch<3_10_0-1160_15_2-1-4.el7
3_10_0-1160_15_2-1-4.el7
redhat/kpatch-patch<3_10_0-1160_21_1-1-2.el7
3_10_0-1160_21_1-1-2.el7
redhat/kpatch-patch<3_10_0-1160_2_1-1-5.el7
3_10_0-1160_2_1-1-5.el7
redhat/kpatch-patch<3_10_0-1160_2_2-1-5.el7
3_10_0-1160_2_2-1-5.el7
redhat/kpatch-patch<3_10_0-1160_6_1-1-5.el7
3_10_0-1160_6_1-1-5.el7
redhat/kpatch-patch<3_10_0-1160-1-5.el7
3_10_0-1160-1-5.el7
redhat/kpatch-patch<3_10_0-1160-debuginfo-1-5.el7
3_10_0-1160-debuginfo-1-5.el7
redhat/kpatch-patch<3_10_0-1160_11_1-1-4.el7
3_10_0-1160_11_1-1-4.el7
redhat/kpatch-patch<3_10_0-1160_11_1-debuginfo-1-4.el7
3_10_0-1160_11_1-debuginfo-1-4.el7
redhat/kpatch-patch<3_10_0-1160_15_2-1-4.el7
3_10_0-1160_15_2-1-4.el7
redhat/kpatch-patch<3_10_0-1160_15_2-debuginfo-1-4.el7
3_10_0-1160_15_2-debuginfo-1-4.el7
redhat/kpatch-patch<3_10_0-1160_21_1-1-2.el7
3_10_0-1160_21_1-1-2.el7
redhat/kpatch-patch<3_10_0-1160_21_1-debuginfo-1-2.el7
3_10_0-1160_21_1-debuginfo-1-2.el7
redhat/kpatch-patch<3_10_0-1160_2_1-1-5.el7
3_10_0-1160_2_1-1-5.el7
redhat/kpatch-patch<3_10_0-1160_2_1-debuginfo-1-5.el7
3_10_0-1160_2_1-debuginfo-1-5.el7
redhat/kpatch-patch<3_10_0-1160_2_2-1-5.el7
3_10_0-1160_2_2-1-5.el7
redhat/kpatch-patch<3_10_0-1160_2_2-debuginfo-1-5.el7
3_10_0-1160_2_2-debuginfo-1-5.el7
redhat/kpatch-patch<3_10_0-1160_6_1-1-5.el7
3_10_0-1160_6_1-1-5.el7
redhat/kpatch-patch<3_10_0-1160_6_1-debuginfo-1-5.el7
3_10_0-1160_6_1-debuginfo-1-5.el7
redhat/kpatch-patch<3_10_0-1160-1-5.el7
3_10_0-1160-1-5.el7
redhat/kpatch-patch<3_10_0-1160-debuginfo-1-5.el7
3_10_0-1160-debuginfo-1-5.el7
redhat/kpatch-patch<3_10_0-1160_11_1-1-4.el7
3_10_0-1160_11_1-1-4.el7
redhat/kpatch-patch<3_10_0-1160_11_1-debuginfo-1-4.el7
3_10_0-1160_11_1-debuginfo-1-4.el7
redhat/kpatch-patch<3_10_0-1160_15_2-1-4.el7
3_10_0-1160_15_2-1-4.el7
redhat/kpatch-patch<3_10_0-1160_15_2-debuginfo-1-4.el7
3_10_0-1160_15_2-debuginfo-1-4.el7
redhat/kpatch-patch<3_10_0-1160_21_1-1-2.el7
3_10_0-1160_21_1-1-2.el7
redhat/kpatch-patch<3_10_0-1160_21_1-debuginfo-1-2.el7
3_10_0-1160_21_1-debuginfo-1-2.el7
redhat/kpatch-patch<3_10_0-1160_2_1-1-5.el7
3_10_0-1160_2_1-1-5.el7
redhat/kpatch-patch<3_10_0-1160_2_1-debuginfo-1-5.el7
3_10_0-1160_2_1-debuginfo-1-5.el7
redhat/kpatch-patch<3_10_0-1160_2_2-1-5.el7
3_10_0-1160_2_2-1-5.el7
redhat/kpatch-patch<3_10_0-1160_2_2-debuginfo-1-5.el7
3_10_0-1160_2_2-debuginfo-1-5.el7
redhat/kpatch-patch<3_10_0-1160_6_1-1-5.el7
3_10_0-1160_6_1-1-5.el7
redhat/kpatch-patch<3_10_0-1160_6_1-debuginfo-1-5.el7
3_10_0-1160_6_1-debuginfo-1-5.el7

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 3_10_0-1160-1-5.el7
  2. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 3_10_0-1160_11_1-1-4.el7
  3. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 3_10_0-1160_15_2-1-4.el7
  4. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 3_10_0-1160_21_1-1-2.el7
  5. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 3_10_0-1160_2_1-1-5.el7
  6. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 3_10_0-1160_2_2-1-5.el7
  7. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 3_10_0-1160_6_1-1-5.el7
  8. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 3_10_0-1160-debuginfo-1-5.el7
  9. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 3_10_0-1160_11_1-debuginfo-1-4.el7
  10. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 3_10_0-1160_15_2-debuginfo-1-4.el7
  11. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 3_10_0-1160_21_1-debuginfo-1-2.el7
  12. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 3_10_0-1160_2_1-debuginfo-1-5.el7
  13. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 3_10_0-1160_2_2-debuginfo-1-5.el7
  14. Upgrade

    Upgrade redhat/kpatch-patch to a version that resolves this vulnerability.

    Fixed in 3_10_0-1160_6_1-debuginfo-1-5.el7

Event History

Jul 27, 2026
Advisory Published
via Red Hat·09:33 PM
Data Sourced
via Red Hat·09:33 PM
RemedyDescriptionAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of RHSA-2021:1069?

The severity of RHSA-2021:1069 is classified as important.

2

How do I fix RHSA-2021:1069?

To fix RHSA-2021:1069, apply the latest kernel live patch provided by Red Hat for the package kpatch-patch.

3

What vulnerabilities are addressed in RHSA-2021:1069?

RHSA-2021:1069 addresses an out-of-bounds read in the libiscsi module and a heap buffer overflow in the iSCSI subsystem.

4

Which systems are affected by RHSA-2021:1069?

The affected systems include those using kpatch-patch versions prior to 3_10_0-1160-1-5.el7 on Red Hat Enterprise Linux.

5

What is the impact of not addressing RHSA-2021:1069?

Not addressing RHSA-2021:1069 could lead to potential exploitation of the out-of-bounds read and heap buffer overflow vulnerabilities.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203