Gentoo Websites Logo
Go to: Gentoo Home Documentation Forums Lists Bugs Planet Store Wiki Get Gentoo!
Bug 709702 (CVE-2020-8992) - Kernel: ext4_protect_reserved_inode in fs/ext4/block_validity.c allows attackers to cause a denial of service via a crafted journal size (CVE-2020-8992)
Summary: Kernel: ext4_protect_reserved_inode in fs/ext4/block_validity.c allows attack...
Status: RESOLVED FIXED
Alias: CVE-2020-8992
Product: Gentoo Security
Classification: Unclassified
Component: Kernel (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Kernel Security
URL: https://nvd.nist.gov/vuln/detail/CVE-...
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2020-02-15 09:48 UTC by filip ambroz
Modified: 2022-03-26 01:07 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description filip ambroz 2020-02-15 09:48:16 UTC 
ext4_protect_reserved_inode in fs/ext4/block_validity.c in the Linux kernel through 5.5.3 allows attackers to cause a denial of service (soft lockup) via a crafted journal size

References:
https://patchwork.ozlabs.org/patch/1236118/
https://osint.geekcq.com/2020/02/14/cve-2020-8992/
Comment 1 John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2022-03-26 01:07:19 UTC 
Fix in 4.9.224, 4.14.182, 4.19.105, 5.4.21