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CVE-2022-1011

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 filesyste...

No known exploitation. EPSS puts it in the 68th percentile. Fixed in 4.9.320.

CVSS 3.17.8HighEPSS percentile68th1.2% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix4.9.320Upgrade to this build
Check it yourself

OpenVAS · 80 checks

e.g. OID 1.3.6.1.4.1.25623.1.0.148378

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Published Updated Sources: CVE.org, NVD, BDU, CSAF

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • N/a KernelAffected: Linux kernel 5.16-rc8Upgrade to: not statedStated by: CVE record
  • Linux KernelAffected: ≥ 2.6.35, < 4.9.320Upgrade to: 4.9.320Stated by: NVD
  • ООО «РусБИТех-Астра» Astra Linux Special EditionAffected: 1.6 «Смоленск»Upgrade to: not statedStated by: BDU
  • Сообщество свободного программного обеспечения Debian GNU/LinuxAffected: 10Upgrade to: not statedStated by: BDU
  • ООО "Открытая мобильная платформа" ОС АврораAffected: до 4.0.2.172Upgrade to: not statedStated by: BDU

Versions as the sources state them. 2 more products have version data. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

Multiple third-party component vulnerabilities were reported for the Busybox applet, the Linux Kernel, OpenSSL, OpenVPN and various other components used by the RUGGEDCOM and SCALANCE products. The vulnerabilities range from improper neutralization of special elements to improper handling of commands under certain circumstances, that could lead to code injection and denial of service. Siemens has released updates for the affected products and recommends to update to the latest versions.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS68th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

1.2% chance of exploitation activity in the next 30 days, which ranks it in the 68th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

8 events over 1622 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. OpenVAS check added
  3. Patch availablerecord updated
  4. Publishedweakness classified, att&ck mapped

Affected products

And 15 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

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

Scored 7.8 by NVD.

How it is reached

  • Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required LowRequires basic user-level privileges
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

And 46 more references. See all after sign-in

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