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7.8highHigh

CVE-2022-1011

Linux Linux Kernel

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.

Exploitation status

  • A vendor advisory or patch reference has been published.

What the metrics mean

  • It is requires local access to the machine.
  • For an attacker who can reach it, no special conditions are needed to exploit it.
  • To exploit it, an ordinary user account is needed.
  • Beyond that, no action by a user is required.

Scoring

CVSS
7.8 (v3.1)
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-416
Assigned by
secalert@redhat.com

Dates

Published
2022-03-18
Last modified
2026-08-26
Sources
NVD

Affected products

  • Linux Linux Kernel2.6.35 - 4.9.320, 4.10 - 4.14.276, 4.15 - 4.19.238, 4.20 - 5.4.185, 5.5 - 5.10.106, 5.11 - 5.15.29, 5.16 - 5.16.15, 5.17
  • Fedoraproject Fedora34, 35
  • Redhat Build Of Quarkus2.0
  • Redhat Developer Tools1.0
  • Redhat Enterprise Linux6.0, 7.0, 8.0, 8.6
  • Redhat Enterprise Linux Eus8.6
  • Redhat Enterprise Linux For Ibm Z Systems8.0
  • Redhat Enterprise Linux For Ibm Z Systems Eus8.6
  • Redhat Enterprise Linux For Power Little Endian8.0
  • Redhat Enterprise Linux For Power Little Endian Eus8.6
  • Redhat Enterprise Linux For Real Time8
  • Redhat Enterprise Linux For Real Time For Nfv8

As listed in the NVD configuration data. Not a statement about your estate.

References