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CVE-2022-2586

7.8, high Known exploited

Linux Kernel Use-After-Free Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
7.8, high high CVSS v3.1
EPSS, next 30 days
10% higher than 95.6% of scored CVEs
Exploitation
Confirmed in the wild
Published
8 Jan 20242 years ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 26 Jun 2024. US federal agencies had to remediate by 17 Jul 2024, a deadline that has passed.

Required action. Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

Description

It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.

Details

Vendor
Linux and 2 more
Product
linux
Weakness
CWE-416 (opens in a new tab)
Status
Analyzed
Updated
14 Oct 2026
Assigner
security@ubuntu.com

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

References 17

Exploit code 1

Patches and fixes 1

Advisories 14

6 more

Other references 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Linux CVEs

Every Linux CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-53362 Linux Kernel Unspecified Vulnerability KEV EPSS 0.7% 7.8, high
  • CVE-2026-53266 Linux Kernel Out-of-Bounds Write Vulnerability KEV EPSS 0.8% 8.8, high
  • CVE-2026-31431 Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability KEV EPSS 3% 7.8, high
  • CVE-2025-39964 Linux Kernel Race Condition Vulnerability KEV EPSS 1% 5.5, medium
  • CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Vulnerability KEV EPSS 3% 9.8, critical
  • CVE-2025-38352 Linux Kernel Time-of-Check Time-of-Use (TOCTOU) Race Condition Vulnerability KEV EPSS 1% 7.8, high
  • CVE-2024-53197 Linux Kernel Out-of-Bounds Access Vulnerability KEV EPSS 4% 7.8, high
  • CVE-2024-53150 Linux Kernel Out-of-Bounds Read Vulnerability KEV EPSS 1% 7.1, high

Beyond this page

Is CVE-2022-2586 in your network?

This page tells you how dangerous CVE-2022-2586 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2022-2586 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2022-2586 comes with the devices to patch.

    Learn more about EXYS7600 OCELOT

  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.