CVE-2020-8992

Description

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://patchwork.ozlabs.org/patch/1236118/ third party advisory patch
https://security.netapp.com/advisory/ntap-20200313-0003/ third party advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html mailing list third party advisory vendor advisory
https://usn.ubuntu.com/4318-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4324-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4344-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4342-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4419-1/ third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-8992?
CVE-2020-8992 has been scored as a medium severity vulnerability.
How to fix CVE-2020-8992?
To fix CVE-2020-8992, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-8992 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-8992 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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