FKIE_CVE-2022-2586

Vulnerability from fkie_nvd - Published: 2024-01-08 18:15 - Updated: 2026-08-20 14:17
Severity
5.3 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
References
security@ubuntu.comhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586Third Party Advisory
security@ubuntu.comhttps://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#tMailing List, Patch
security@ubuntu.comhttps://ubuntu.com/security/notices/USN-5557-1Third Party Advisory
security@ubuntu.comhttps://ubuntu.com/security/notices/USN-5560-1Third Party Advisory
security@ubuntu.comhttps://ubuntu.com/security/notices/USN-5560-2Third Party Advisory
security@ubuntu.comhttps://ubuntu.com/security/notices/USN-5562-1Third Party Advisory
security@ubuntu.comhttps://ubuntu.com/security/notices/USN-5564-1Third Party Advisory
security@ubuntu.comhttps://ubuntu.com/security/notices/USN-5565-1Third Party Advisory
security@ubuntu.comhttps://ubuntu.com/security/notices/USN-5566-1Third Party Advisory
security@ubuntu.comhttps://ubuntu.com/security/notices/USN-5567-1Third Party Advisory
security@ubuntu.comhttps://ubuntu.com/security/notices/USN-5582-1Third Party Advisory
security@ubuntu.comhttps://www.openwall.com/lists/oss-security/2022/08/09/5Mailing List
security@ubuntu.comhttps://www.zerodayinitiative.com/advisories/ZDI-22-1118/Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#tMailing List, Patch
af854a3a-2127-422b-91ae-364da2661108https://ubuntu.com/security/notices/USN-5557-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://ubuntu.com/security/notices/USN-5560-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://ubuntu.com/security/notices/USN-5560-2Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://ubuntu.com/security/notices/USN-5562-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://ubuntu.com/security/notices/USN-5564-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://ubuntu.com/security/notices/USN-5565-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://ubuntu.com/security/notices/USN-5566-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://ubuntu.com/security/notices/USN-5567-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://ubuntu.com/security/notices/USN-5582-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2022/08/09/5Mailing List
af854a3a-2127-422b-91ae-364da2661108https://www.vicarius.io/vsociety/posts/use-after-free-vulnerability-linked-chain-between-nft-tables-cve-2022-2586Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.zerodayinitiative.com/advisories/ZDI-22-1118/Third Party Advisory, VDB Entry
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-2586US Government Resource
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
canonical ubuntu_linux 20.04
canonical ubuntu_linux 22.04
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "packageName": "linux",
          "platforms": [
            "Linux"
          ],
          "product": "linux",
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git",
          "vendor": "The Linux Kernel Organization",
          "versions": [
            {
              "lessThan": "4.14.316",
              "status": "affected",
              "version": "3.16",
              "versionType": "semver"
            },
            {
              "lessThan": "4.19.256",
              "status": "affected",
              "version": "4.15",
              "versionType": "semver"
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              "lessThan": "5.4.211",
              "status": "affected",
              "version": "4.20",
              "versionType": "semver"
            },
            {
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              "status": "affected",
              "version": "5.5",
              "versionType": "semver"
            },
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              "status": "affected",
              "version": "5.11",
              "versionType": "semver"
            },
            {
              "lessThan": "5.18.18",
              "status": "affected",
              "version": "5.16",
              "versionType": "semver"
            },
            {
              "lessThan": "5.19.2",
              "status": "affected",
              "version": "5.19",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@ubuntu.com"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "linux_kernel",
          "vendor": "linux",
          "versions": [
            {
              "lessThan": "6.0-rc1",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "cisaActionDue": "2024-07-17",
  "cisaExploitAdd": "2024-06-26",
  "cisaRequiredAction": "Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.",
  "cisaVulnerabilityName": "Linux Kernel Use-After-Free Vulnerability",
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  "cveTags": [],
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    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "Se descubri\u00f3 que un objeto o expresi\u00f3n nft pod\u00eda hacer referencia a un conjunto nft en una tabla nft diferente, lo que generaba un use-after-free una vez que se eliminaba esa tabla."
    }
  ],
  "id": "CVE-2022-2586",
  "lastModified": "2026-08-20T14:17:08.057",
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          "version": "2.0.3"
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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.


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.