Bug 2293461 (CVE-2024-38538)

Summary:	CVE-2024-38538 kernel: net: bridge: xmit: make sure we have at least eth header len bytes
Product:	[Other] Security Response	Reporter:	Patrick Del Bello <pdelbell>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	dfreiber, drow, jburrell, rkeshri, vkumar
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 6.1.93, kernel 6.6.33, kernel 6.8.12, kernel 6.9.3, kernel 6.10-rc1	Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability was found in the Linux kernel in the net: bridge component, where the xmit function in the bridge device could trigger an uninitialized value error if a short skb (less than the required ETH_HLEN bytes) is sent. This condition could cause unexpected behavior due to insufficient checks before pulling data from the packet, potentially leading to data inconsistency.	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:
Bug Blocks:	2293462

Description Patrick Del Bello 2024-06-20 17:49:23 UTC

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

net: bridge: xmit: make sure we have at least eth header len bytes

The Linux kernel CVE team has assigned CVE-2024-38538 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024061947-CVE-2024-38538-e28a@gregkh/T

Comment 9 errata-xmlrpc 2024-08-08 04:46:15 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:5102 https://access.redhat.com/errata/RHSA-2024:5102

Comment 10 errata-xmlrpc 2024-08-08 04:57:41 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:5101 https://access.redhat.com/errata/RHSA-2024:5101

Comment 11 errata-xmlrpc 2024-08-13 00:27:25 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Extended Update Support

Via RHSA-2024:5255 https://access.redhat.com/errata/RHSA-2024:5255

Comment 12 errata-xmlrpc 2024-08-14 00:17:09 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Extended Update Support

Via RHSA-2024:5365 https://access.redhat.com/errata/RHSA-2024:5365

Comment 13 errata-xmlrpc 2024-08-14 00:37:37 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Extended Update Support

Via RHSA-2024:5364 https://access.redhat.com/errata/RHSA-2024:5364

Comment 14 errata-xmlrpc 2024-08-28 12:20:56 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:5928 https://access.redhat.com/errata/RHSA-2024:5928