Bug 2080330 (CVE-2022-1836) - CVE-2022-1836 kernel: Concurrency use-after-free in floppy's raw_cmd
Summary: CVE-2022-1836 kernel: Concurrency use-after-free in floppy's raw_cmd
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2022-1836
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2080331 2089356 2089357
Blocks: 2080333
TreeView+ depends on / blocked
 
Reported: 2022-04-29 13:19 UTC by Pedro Sampaio
Modified: 2023-05-22 17:57 UTC (History)
49 users (show)

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.
Clone Of:
Environment:
Last Closed: 2022-08-29 10:19:20 UTC
Embargoed:


Attachments (Terms of Use)

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.


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