HIGH

CVE-2022-1011

CVSS v3

7.8

HIGH

EPSS Score

1.2 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

kernelAlmaLinux:8all versions · fixed in 4.18.0-372.9.1.el8and 19 other packages

Vendor advisories

CVE-2022-1011 Red Hat Product Security243 products fixed · 25 known affected
kernel: FUSE allows UAF reads of write() buffers, allowing theft of (partial) /etc/shadow hashes
kernel as a component of Red Hat Enterprise Linux 6 · kernel-abi-whitelists as a component of Red Hat Enterprise Linux 6 · kernel-bootwrapper as a component of Red Hat Enterprise Linux 6
RHSA-2024:5259 Red Hat Product Security93 products fixed
Red Hat Security Advisory: kernel security update
ICSA-23-075-01 CISA20 known affected
Siemens SCALANCE, RUGGEDCOM Third-Party
RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) · RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) · SCALANCE M804PB (6GK5804-0AP00-2AA2)
SSA-419740 Siemens ProductCERT20 known affected
SSA-419740: Multiple Third-Party Component Vulnerabilities in RUGGEDCOM and SCALANCE Products before V7.2
RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) · RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) · SCALANCE M804PB (6GK5804-0AP00-2AA2)
RHSA-2022:1988 Red Hat Product Security120 products fixed
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
RHSA-2022:1975 Red Hat Product Security30 products fixed
Red Hat Security Advisory: kernel-rt security and bug fix update

Full record on NVD

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.

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2022-03-07
Last Modified: 2026-08-26

Frequently asked questions

What is CVE-2022-1011?

Is CVE-2022-1011 actively exploited?

Active exploitation of CVE-2022-1011 has not been confirmed. Its EPSS score was 1.2% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-1011?

CVE-2022-1011 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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