CVE-2022-2586 (GCVE-0-2022-2586)
Vulnerability from cvelistv5 – Published: 2024-01-08 17:46 – Updated: 2026-08-20 13:57Summary
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)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-26 15:34 UTC
CWE
Assigner
References
15 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| The Linux Kernel Organization | linux |
Affected:
3.16 , < 4.14.316
(semver)
Affected: 4.15 , < 4.19.256 (semver) Affected: 4.20 , < 5.4.211 (semver) Affected: 5.5 , < 5.10.137 (semver) Affected: 5.11 , < 5.15.61 (semver) Affected: 5.16 , < 5.18.18 (semver) Affected: 5.19 , < 5.19.2 (semver) cpe:2.3:a:the_linux_kernel_organization:linux:*:*:linux:*:*:*:*:* cpe:2.3:a:the_linux_kernel_organization:linux:*:*:linux:*:*:*:*:* cpe:2.3:a:the_linux_kernel_organization:linux:*:*:linux:*:*:*:*:* cpe:2.3:a:the_linux_kernel_organization:linux:*:*:linux:*:*:*:*:* cpe:2.3:a:the_linux_kernel_organization:linux:*:*:linux:*:*:*:*:* cpe:2.3:a:the_linux_kernel_organization:linux:*:*:linux:*:*:*:*:* cpe:2.3:a:the_linux_kernel_organization:linux:*:*:linux:*:*:*:*:* |
|
| linux | linux_kernel |
Affected:
0 , < 6.0-rc1
(custom)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 248cf63c-8d91-4b66-b51f-4b9efb8a06c4
Exploited: Yes
Timestamps
First Seen: 2024-06-26
Asserted: 2024-06-26
Scope
Notes: 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: 2026-10-02 08:09 CEST
| Updated: 2026-10-02 08:09 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: c48de786-bf75-4e8f-a118-7071227294af
Exploited: Yes
Timestamps
First Seen: 2024-06-26
Asserted: 2024-06-26
Scope
Notes: 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: Linux Kernel Organization / linux | CVSS: 5.3 (MEDIUM) | EPSS: 0.10202 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.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... |
| Cve Id | CVE-2022-2586 |
| Vendor | Linux Kernel Organization |
| Ghsa Id | None |
| Product | linux |
| Added Date | 2024-06-26T00:00:00.000Z |
| Cvss Score | 5.3 |
| Epss Score | 0.10202 |
| Previous Ids | |
| Cvss Severity | MEDIUM |
| Virtual Patch | False |
| Cvss Estimated | False |
| Epss Percentile | 0.95536 |
| Used In Malware | unknown |
| Vulnerability Id | CVE-2022-2586 |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-10-02 09:11 CEST
| Updated: 2026-10-02 09:11 CEST
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"third-party-advisory"
],
"url": "https://ubuntu.com/security/notices/USN-5566-1"
},
{
"tags": [
"issue-tracking"
],
"url": "https://www.openwall.com/lists/oss-security/2022/08/09/5"
},
{
"tags": [
"third-party-advisory"
],
"url": "https://ubuntu.com/security/notices/USN-5565-1"
},
{
"tags": [
"issue-tracking"
],
"url": "https://www.zerodayinitiative.com/advisories/ZDI-22-1118/"
},
{
"tags": [
"issue-tracking"
],
"url": "https://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#t"
},
{
"tags": [
"third-party-advisory"
],
"url": "https://ubuntu.com/security/notices/USN-5562-1"
},
{
"tags": [
"third-party-advisory"
],
"url": "https://ubuntu.com/security/notices/USN-5557-1"
},
{
"tags": [
"issue-tracking"
],
"url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "cvelib 1.8.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
"assignerShortName": "canonical",
"cveId": "CVE-2022-2586",
"datePublished": "2024-01-08T17:46:06.110Z",
"dateReserved": "2022-07-29T22:01:19.576Z",
"dateUpdated": "2026-10-14T13:11:40.118Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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