CASCACascade Atlas

Evidence dossier

CVE-2022-2586

CVE-2022-2586

60.4–81.6Priority evidence range
As known Jul 19, 2026, 5:00 AM UTCgen-56ccdaf9

Normalized restatement

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.

State
PUBLISHED
Published
Jan 8, 2024
Updated
Oct 21, 2025
Evidence coverage
72%
CISA KEVCatalog member

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

FIRST EPSS12.75%

2026-07-18 · v2026.06.15 · percentile 95.8%

Source stateConflict visible

Distinct CVSS assessments remain side by side; none are averaged.

Source comparison

Who said what

canonicaloriginal assertion
container

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.

CISA-ADPindependent enrichment
container

CISA ADP Vulnrichment

CVEderivative copy
container

CVE Program Container

CISA KEVoriginal assertion
observed_exploitation

Linux Kernel Use-After-Free Vulnerability

FIRST EPSSoriginal assertion
model_probability

Probability 0.127460000000; percentile 0.958360000000

Applicability

Cited product scope

Trace impact →
linuxlinux_kernel
[{"status": "affected", "version": "0", "lessThan": "6.0-rc1", "versionType": "custom"}]unknown
The Linux Kernel Organizationlinux
[{"status": "affected", "version": "0", "lessThan": "6.0~rc1", "versionType": "semver"}]unknown
Unknown vendorUnknown product
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*supported
Unknown vendorUnknown product
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*supported
Unknown vendorUnknown product
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:esm:*:*:*supported
Unknown vendorUnknown product
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*supported
Unknown vendorUnknown product
cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*supported
Unknown vendorUnknown product
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*; end including 5.19.17supported
Unknown vendorUnknown product
cpe:2.3:o:linux:linux_kernel:6.0:-:*:*:*:*:*:*supported

Assessments

CVSS by origin

7.8
nvd@nist.govCVSS 3.1 · role PrimaryCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
5.3
security@ubuntu.comCVSS 3.1 · role SecondaryCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
5.3
canonicalCVSS 3.1 · role unknownCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H

Limitations and unknowns

  • KEV membership is authoritative for the catalog, not proof of exposure in any environment.
  • EPSS is a dated model probability and not an individual-environment prediction.
  • Affected or fixed status applies only to the exact cited product and version scope; unresolved scope remains unknown.
  • NVD-carried upstream facts remain derivative and are not independent corroboration.
  • Only NVD metrics validated under the generation-bound calculator are Public Priority eligible; direct CVE record metrics remain display-only.
  • NVD CVSS source eligibility is closed: NVD-authored, exact record-source, or registered same-CVE container origin; unmapped sources remain display-only.
  • Factor D is unknown in Public Core because no accepted canonical mapping-obligation ledger is present.
  • Core replay supports the active and immediately prior generation; retrospective valid-at replay is deferred.