Bug 2042822 (CVE-2022-0322)

Summary:	CVE-2022-0322 kernel: DoS in sctp_addto_chunk in net/sctp/sm_make_chunk.c
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	acaringi, adscvr, airlied, alciregi, bhu, brdeoliv, bskeggs, chwhite, crwood, dhoward, dvlasenk, fhrbata, fpacheco, hdegoede, hkrzesin, jarod, jarodwilson, jburrell, jeremy, jfaracco, jforbes, jglisse, jlelli, jonathan, josef, jshortt, jstancek, jwboyer, kcarcia, kernel-maint, kernel-mgr, lgoncalv, linville, lzampier, masami256, mchehab, nmurray, ptalbert, qzhao, rkeshri, rvrbovsk, scweaver, steved, vkumar, walters, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 5.15 rc6	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in the sctp_make_strreset_req function in net/sctp/sm_make_chunk.c in the SCTP network protocol in the Linux kernel with a local user privilege access. In this flaw, an attempt to use more buffer than is allocated triggers a BUG_ON issue, leading to a denial of service (DOS).	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-05-11 15:45:52 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:	2020393, 2024909, 2042823, 2042883, 2042884, 2042885, 2042886
Bug Blocks:	2014939, 2033235, 2043152

Description Dhananjay Arunesh 2022-01-20 08:20:33 UTC

A flaw was found in sctp_make_strreset_req in net/sctp/sm_make_chunk.c in SCTP network protocol in the Linux kernel. In this flaw, an attempt to use more buffer than was allocated triggers BUG_ON to cause a denial of service (DOS).

References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a2d859e3fc97e79d907761550dbc03ff1b36479c

Comment 1 Dhananjay Arunesh 2022-01-20 08:22:02 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2042823]

Comment 6 Justin M. Forbes 2022-01-20 14:55:43 UTC

This was fixed for Fedora with the 5.14.14 stable kernel updates.

Comment 9 Rohit Keshri 2022-03-02 14:21:20 UTC

*** Bug 2014970 has been marked as a duplicate of this bug. ***

Comment 10 errata-xmlrpc 2022-05-10 14:41:04 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2022:1975 https://access.redhat.com/errata/RHSA-2022:1975

Comment 11 errata-xmlrpc 2022-05-10 14:47:11 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2022:1988 https://access.redhat.com/errata/RHSA-2022:1988

Comment 12 Product Security DevOps Team 2022-05-11 15:45:47 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-0322