CVE-2022-2586 (GCVE-0-2022-2586)

Vulnerability from cvelistv5 – Published: 2024-01-08 17:46 – Updated: 2025-10-21 23:05
VLAI CISA KEVIntel
Summary
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.
Severity
5.3 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
The Linux Kernel Organization linux Affected: 0 , < 6.0~rc1 (semver)
Create a notification for this product.
linux linux_kernel Affected: 0 , < 6.0-rc1 (custom)
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Team Orca of Sea Security (@seasecresponse) working with Trend Micro's Zero Day Initiative
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 4a5dc766-ee41-4e92-890c-64b5df492d84

Vulnerability ID: CVE-2022-2586

Status: Confirmed

Status Updated: 2024-06-26 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2024-06-26
Asserted: 2024-06-26
Scope
Notes: KEV entry: Linux Kernel Use-After-Free Vulnerability | Affected: Linux / Kernel | Description: Linux Kernel contains a use-after-free vulnerability in the nft_object, allowing local attackers to escalate privileges. | Required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable. | Due date: 2024-07-17 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. For more information, please see: https://seclists.org/oss-sec/2022/q3/131; https://nvd.nist.gov/vuln/detail/CVE-2022-2586
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-416
Feed CISA Known Exploited Vulnerabilities Catalog
Product Kernel
Due Date 2024-07-17
Date Added 2024-06-26
Vendorproject Linux
Vulnerabilityname Linux Kernel Use-After-Free Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 13:24 UTC | Updated: 2026-02-06 07:53 UTC
KEVIntel
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: a8c4ff65-8ff5-48aa-96ee-751c38699428

Vulnerability ID: CVE-2022-2586

Status: Confirmed

Status Updated: 2024-06-26 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2024-06-26
Asserted: 2024-06-26
Scope
Notes: KEVIntel entry: 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... | Affected: The Linux Kernel Organization / linux | CVSS: 5.3 (MEDIUM) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title 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...
Vendor The Linux Kernel Organization
Product linux
Added Date 2024-06-26T00:00:00.000Z
Cvss Score 5.3
Epss Score None
Cvss Severity MEDIUM
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 11:14 UTC | Updated: 2026-06-23 11:14 UTC
Show details on NVD website
To clipboard 

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      "status": "final",
      "title": "kernel: nf_tables cross-table potential use-after-free may lead to local privilege escalation",
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}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.