CVE-2022-1011

Name: CVE-2022-1011
Creator: NVD / NIST
Published: 2022-03-18T18:15:12.177+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.18%

Last modified Jun 17, 2026

CVE-2022-1011 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A use-after-free flaw was found in the Linux kernel’s FUSE filesystem in the way a user triggers write(). This flaw allows a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation.. EPSS estimates a 1.18% chance of exploitation in the next 30 days.

Description

A use-after-free flaw was found in the Linux kernel’s FUSE filesystem in the way a user triggers write(). This flaw allows a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.18%

63.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 5.17
Linux	Linux Kernel	5.17
Fedoraproject	Fedora	34
Fedoraproject	Fedora	35
Redhat	Build Of Quarkus	2.0
Redhat	Developer Tools	1.0
Redhat	Enterprise Linux	6.0
Redhat	Enterprise Linux	7.0
Redhat	Enterprise Linux	8.0
Redhat	Enterprise Linux Eus	8.6
Redhat	Enterprise Linux For Ibm Z Systems	8.0
Redhat	Enterprise Linux For Ibm Z Systems Eus	8.6
Redhat	Enterprise Linux For Power Little Endian	8.0
Redhat	Enterprise Linux For Power Little Endian Eus	8.6
Redhat	Enterprise Linux For Real Time	8
Redhat	Enterprise Linux For Real Time For Nfv	8
Redhat	Enterprise Linux For Real Time For Nfv Tus	8.6
Redhat	Enterprise Linux For Real Time Tus	8.6
Redhat	Enterprise Linux Server Aus	8.6
Redhat	Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions	8.6
Redhat	Enterprise Linux Server Tus	8.6
Redhat	Enterprise Linux Server Update Services For Sap Solutions	8.6
Redhat	Virtualization Host	4.0
Redhat	Codeready Linux Builder	All versions
Netapp	H300s Firmware	All versions
Netapp	H500s Firmware	All versions
Netapp	H700s Firmware	All versions
Netapp	H300e Firmware	All versions
Netapp	H500e Firmware	All versions
Netapp	H700e Firmware	All versions
Netapp	H410s Firmware	All versions
Netapp	H410c Firmware	All versions
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0
Oracle	Communications Cloud Native Core Binding Support Function	22.1.3

References

https://bugzilla.redhat.com/show_bug.cgi?id=2064855Issue Tracking, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git/commit/?h=for-nextVendor Advisory
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2022/dsa-5173Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.htmlThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2064855Issue Tracking, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git/commit/?h=for-nextVendor Advisory
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2022/dsa-5173Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.htmlThird Party Advisory

Timeline

Published: Mar 18, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-1011?

How severe is CVE-2022-1011?

CVE-2022-1011 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.18% probability of exploitation in the next 30 days.

How do I fix CVE-2022-1011?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-1011?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST