Bug 2315178 (CVE-2024-46826)

Summary:	CVE-2024-46826 kernel: ELF: fix kernel.randomize_va_space double read
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	CC:	dfreiber, drow, jburrell, vkumar
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2315279
Bug Blocks:

Description OSIDB Bzimport 2024-09-27 13:21:46 UTC

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

ELF: fix kernel.randomize_va_space double read

ELF loader uses "randomize_va_space" twice. It is sysctl and can change
at any moment, so 2 loads could see 2 different values in theory with
unpredictable consequences.

Issue exactly one load for consistent value across one exec.

Comment 1 Robb Gatica 2024-09-27 15:14:42 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024092750-CVE-2024-46826-7b80@gregkh/T

Comment 2 errata-xmlrpc 2024-11-05 00:50:20 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:8870 https://access.redhat.com/errata/RHSA-2024:8870

Comment 3 errata-xmlrpc 2024-11-05 01:10:43 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:8856 https://access.redhat.com/errata/RHSA-2024:8856

Comment 4 errata-xmlrpc 2025-04-30 01:02:01 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:4341 https://access.redhat.com/errata/RHSA-2025:4341