Bug 2301528 (CVE-2024-42157)

Summary:	CVE-2024-42157 kernel: s390/pkey: Wipe sensitive data on failure
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
Whiteboard:
Fixed In Version:	kernel 4.19.318, kernel 5.4.280, kernel 5.10.222, kernel 5.15.163, kernel 6.1.98, kernel 6.6.39, kernel 6.9.9, kernel 6.10	Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability was found in the Linux kernel's s390 crypto driver, where improper secret management can lead to a situation where sensitive key material is not wiped from the stack when the copy_to_user() function fails. This could lead to sensitive information disclosure.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2302027
Bug Blocks:

Description OSIDB Bzimport 2024-07-30 08:50:30 UTC

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

s390/pkey: Wipe sensitive data on failure

Wipe sensitive data from stack also if the copy_to_user() fails.

Comment 1 Mauro Matteo Cascella 2024-07-31 11:20:38 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024073035-CVE-2024-42157-ca67@gregkh/T

Comment 2 Mauro Matteo Cascella 2024-07-31 11:21:00 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2302027]