Bug 2080330 (CVE-2022-1836)

Summary:	CVE-2022-1836 kernel: Concurrency use-after-free in floppy's raw_cmd
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	acaringi, adscvr, airlied, alciregi, bdettelb, bhu, bskeggs, chwhite, crwood, dhoward, dvlasenk, fhrbata, hdegoede, hkrzesin, hpa, jarod, jarodwilson, jburrell, jfaracco, jforbes, jglisse, jlelli, joe.lawrence, jonathan, josef, jshortt, jstancek, jwboyer, jwyatt, kcarcia, kernel-maint, kernel-mgr, kyoshida, lgoncalv, linville, lzampier, masami256, mchehab, minlei, 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 5.18 rc5	Doc Type:	If docs needed, set a value
Doc Text:	A use-after-free vulnerability was found in drivers/block/floppy.c in the floppy driver module in the Linux kernel between raw_cmd_ioctl and seek_interrupt. This flaw allows an attacker to cause a denial of service, leading to a leak of internal kernel information.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-08-29 10:19:20 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:	2080331, 2089356, 2089357
Bug Blocks:	2080333

Description Pedro Sampaio 2022-04-29 13:19:40 UTC

A concurrency use-after-free between raw_cmd_ioctl and seek_interrupt was discovered in the latest kernel version 5.17.4.

References:

https://seclists.org/oss-sec/2022/q2/66
https://github.com/torvalds/linux/commit/233087ca063686964a53c829d547c7571e3f67bf

Comment 1 Pedro Sampaio 2022-04-29 13:20:10 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2080331]

Comment 10 Pedro Sampaio 2022-07-04 14:50:44 UTC

Can you check comment#9 please? Thank you.

Comment 14 Rohit Keshri 2023-05-22 17:57:09 UTC

This CVE is rejected as a duplicate of CVE-2022-33981.