Bug 2432389 (CVE-2026-22984)

Summary:	CVE-2026-22984 kernel: libceph: prevent potential out-of-bounds reads in handle_auth_done()
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	Keywords:	Security
Target Milestone:	---
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Hardware:	All
OS:	Linux
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
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Description OSIDB Bzimport 2026-01-23 16:02:41 UTC

In the Linux kernel, the following vulnerability has been resolved:

libceph: prevent potential out-of-bounds reads in handle_auth_done()

Perform an explicit bounds check on payload_len to avoid a possible
out-of-bounds access in the callout.

[ idryomov: changelog ]

Comment 1 Keith Grant 2026-01-23 19:24:07 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026012349-CVE-2026-22984-001c@gregkh/T

Comment 3 errata-xmlrpc 2026-05-20 12:57:34 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:19568 https://access.redhat.com/errata/RHSA-2026:19568

Comment 6 errata-xmlrpc 2026-06-10 20:00:15 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:25120 https://access.redhat.com/errata/RHSA-2026:25120

Comment 7 errata-xmlrpc 2026-06-10 21:38:58 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:25121 https://access.redhat.com/errata/RHSA-2026:25121

Comment 8 errata-xmlrpc 2026-06-11 10:53:50 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:25218 https://access.redhat.com/errata/RHSA-2026:25218

Comment 9 errata-xmlrpc 2026-06-17 01:13:53 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:26462 https://access.redhat.com/errata/RHSA-2026:26462

Comment 10 errata-xmlrpc 2026-06-17 06:33:29 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:26515 https://access.redhat.com/errata/RHSA-2026:26515

Comment 11 errata-xmlrpc 2026-06-17 11:58:25 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.8 Telecommunications Update Service

Via RHSA-2026:26563 https://access.redhat.com/errata/RHSA-2026:26563

Comment 12 errata-xmlrpc 2026-06-22 06:02:05 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:27735 https://access.redhat.com/errata/RHSA-2026:27735

Comment 13 errata-xmlrpc 2026-07-01 00:15:49 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On

Via RHSA-2026:33899 https://access.redhat.com/errata/RHSA-2026:33899

Comment 14 errata-xmlrpc 2026-07-06 14:26:39 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On

Via RHSA-2026:35896 https://access.redhat.com/errata/RHSA-2026:35896

Comment 15 Jon Orris 2026-09-24 15:05:06 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:71602 https://access.redhat.com/errata/RHSA-2026:71602