Bug 2096901 (CVE-2022-32296)

Summary:	CVE-2022-32296 kernel: insufficient TCP source port randomness leads to client identification
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED DUPLICATE	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	acaringi, adscvr, airlied, alciregi, bhu, bskeggs, chwhite, crwood, ddepaula, dhoward, dvlasenk, fhrbata, fpacheco, hdegoede, hkrzesin, hpa, jarod, jarodwilson, jburrell, jfaracco, jferlan, jforbes, jglisse, jlelli, joe.lawrence, jonathan, josef, jshortt, jstancek, jwboyer, jwyatt, kcarcia, kernel-maint, kernel-mgr, lgoncalv, linville, lzampier, masami256, mchehab, nmurray, ptalbert, qzhao, rvrbovsk, scweaver, steved, vkumar, walters, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 5.18-rc6	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-08-01 14:44:35 UTC	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:	2096902
Bug Blocks:	2096903

Description Marian Rehak 2022-06-14 14:12:21 UTC

The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used.

Reference:

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.9

Comment 1 Marian Rehak 2022-06-14 14:12:49 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2096902]

Comment 2 Justin M. Forbes 2022-06-14 14:35:03 UTC

This was fixed for Fedora with the 5.17.9 stable kernel updates.

Comment 6 Rohit Keshri 2022-08-01 14:44:35 UTC


*** This bug has been marked as a duplicate of bug 2064604 ***