November 13, 2026 Follow Egret
CVE-2022-2586 · CVE record: PUBLISHED

Linux Kernel Use-After-Free Vulnerability

The Linux Kernel Organization linux

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.

Exploitation evidence

Known exploited · CISA KEV listed

Added 2024-06-26. Ransomware campaign use: Unknown.

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

CISA due date: 2024-07-17. This is the catalog’s deadline, not an assessment of your organization’s exposure.

KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗

Reported products and versions

The Linux Kernel Organization / linux

Default status: unaffected

  • affected: 3.16 to < 4.14.316 (semver)
  • affected: 4.15 to < 4.19.256 (semver)
  • affected: 4.20 to < 5.4.211 (semver)
  • affected: 5.5 to < 5.10.137 (semver)
  • affected: 5.11 to < 5.15.61 (semver)
  • affected: 5.16 to < 5.18.18 (semver)
  • affected: 5.19 to < 5.19.2 (semver)

Fixes and workarounds

No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.

Sources and related reporting

CVE Program record ↗ · Download tracked evidence as JSON

Observed change timeline

History begins when Egret first downloads each source. It is not the complete upstream CVE history.

12 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-12",
  "epss": 0.10202,
  "percentile": 0.95735
}
10 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-10",
  "epss": 0.10202,
  "percentile": 0.95707
}
09 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-09",
  "epss": 0.10202,
  "percentile": 0.95702
}
08 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-08",
  "epss": 0.10202,
  "percentile": 0.95701
}
07 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-07",
  "epss": 0.10202,
  "percentile": 0.95698
}
06 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-06",
  "epss": 0.10202,
  "percentile": 0.95692
}
06 Nov 2026, 06:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-05",
  "epss": 0.10202,
  "percentile": 0.95688
}
05 Nov 2026, 06:20 Jerusalem · CVE Program record changed

Stored CNA snapshot at this observation.

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04 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
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  "percentile": 0.95685
}
03 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
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  "epss": 0.10202,
  "percentile": 0.95677
}
03 Nov 2026, 02:22 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
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  "percentile": 0.95671
}
03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed

Stored KEV snapshot at this observation.

{
  "cveID": "CVE-2022-2586",
  "cwes": [
    "CWE-416"
  ],
  "dateAdded": "2024-06-26",
  "dueDate": "2024-07-17",
  "forensicTriage": "No",
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "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",
  "product": "Kernel",
  "requiredAction": "Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.",
  "shortDescription": "Linux Kernel contains a use-after-free vulnerability in the nft_object, allowing local attackers to escalate privileges. ",
  "vendorProject": "Linux",
  "vulnerabilityName": "Linux Kernel Use-After-Free Vulnerability"
}
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