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CVE-2022-49817

net: mhi: Fix memory leak in mhi_net_dellink()

No known exploitation. EPSS puts it in the 9th percentile. Fixed versions are out.

CVSS 3.15.5MediumEPSS percentile9th0.2% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix5 products3 fixed builds listed below

Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

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

  • LinuxAffected: ≥ 13adac032982c61bb590669e8e87e51558917ca1, < 88da008e5e2f9753726ea5a51ef2eb144e9de927Upgrade to: 88da008e5e2f9753726ea5a51ef2eb144e9de927Affected: ≥ 13adac032982c61bb590669e8e87e51558917ca1, < 25a270343b0f16e1f6e65f541a15975a35e238ffUpgrade to: 25a270343b0f16e1f6e65f541a15975a35e238ffAffected: ≥ 13adac032982c61bb590669e8e87e51558917ca1, < f7c125bd79f50ec6094761090be81d02726ec6f4Upgrade to: f7c125bd79f50ec6094761090be81d02726ec6f4Stated by: CVE record
  • Canonical Ltd. UbuntuAffected: 20.04 LTSUpgrade to: not statedStated by: BDU
  • Red Hat Inc. Red Hat Enterprise LinuxAffected: 9Upgrade to: not statedStated by: BDU
  • Сообщество свободного программного обеспечения LinuxAffected: до 6.1Upgrade to: not statedStated by: BDU
  • АО «СберТех» Platform V SberLinux OS ServerAffected: до 9.2.0-fstecUpgrade to: not statedStated by: BDU

Versions as the sources state them. Full version matrix after sign-in

What it is

From the CVE record

In the Linux kernel, the following vulnerability has been resolved: net: mhi: Fix memory leak in mhi_net_dellink() MHI driver registers network device without setting the needs_free_netdev flag, and does NOT call free_netdev() when unregisters network device, which causes a memory leak. This patch calls free_netdev() to fix it since netdev_priv is used after unregister.

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.

EPSS9th
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

0.2% chance of exploitation activity in the next 30 days, which ranks it in the 9th percentile of scored CVEs.

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

Lifecycle

4 events over 190 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. Publishedweakness classified

Affected products

And 1 more affected product. 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:N/I:N/A:H

Scored 5.5 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 NoneNo confidentiality impact
  • Integrity NoneNo integrity impact
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

Sources

References in the record

And 3 more references. See all after sign-in

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