Bug 2297512 (CVE-2024-40928)

Summary:	CVE-2024-40928 kernel: net: ethtool: fix the error condition in ethtool_get_phy_stats_ethtool()
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 6.6.35, kernel 6.9.6, kernel 6.10-rc3	Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability was found in the Linux kernel's ethtool implementation in the ethtool_get_phy_stats_ethtool() function, where the issue arises when a null function pointer is dereferenced if the 'ops->get_ethtool_phy_stats' is NULL, potentially leading to a crash.	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:

Description OSIDB Bzimport 2024-07-12 13:34:06 UTC

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

net: ethtool: fix the error condition in ethtool_get_phy_stats_ethtool()

Clang static checker (scan-build) warning:
net/ethtool/ioctl.c:line 2233, column 2
Called function pointer is null (null dereference).

Return '-EOPNOTSUPP' when 'ops->get_ethtool_phy_stats' is NULL to fix
this typo error.

Comment 5 errata-xmlrpc 2024-08-14 00:52:07 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:5363 https://access.redhat.com/errata/RHSA-2024:5363