Vulnerability-Lookup

OESA-2022-1517 (CVE-2021-22600)

Vulnerability from osv_openeuler – Published: 2022-02-11 11:04 – Updated: 2026-08-06 11:04 – Source website

Summary

kernel security update

Details

The Linux Kernel, the operating system core itself.

Security Fix(es):

A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755(CVE-2021-22600)

A use-after-free flaw was found in the Linux kernel’s vmw_execbuf_copy_fence_user function in drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c in vmwgfx. This flaw allows a local attacker with user privileges to cause a privilege escalation problem.(CVE-2022-22942)

Severity

7.8 (High)


                    
                      CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

URL

Type

	https://www.openeuler.org/en/security/safety-bull…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2021-22600	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2022-22942	ADVISORY

JSON

To clipboard

{
  "affected": [
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      "ecosystem_specific": {
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      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP3",
        "name": "kernel",
        "purl": "pkg:rpm/openEuler/kernel\u0026distro=openEuler-20.03-LTS-SP3"
      },
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          "events": [
            {
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "High"
  },
  "details": "The Linux Kernel, the operating system core itself.\r\n\r\nSecurity Fix(es):\r\n\r\nA double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755(CVE-2021-22600)\r\n\r\nA use-after-free flaw was found in the Linux kernel\u2019s vmw_execbuf_copy_fence_user function in drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c in vmwgfx. This flaw allows a local attacker with user privileges to cause a privilege escalation problem.(CVE-2022-22942)",
  "id": "OESA-2022-1517",
  "modified": "2026-08-06T11:04:47Z",
  "published": "2022-02-11T11:04:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1517"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-22600"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-22942"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "kernel security update",
  "upstream": [
    "CVE-2021-22600",
    "CVE-2022-22942"
  ]
}

CVE-2021-22600 (GCVE-0-2021-22600)

Vulnerability from cvelistv5 – Published: 2022-01-26 00:00 – Updated: 2025-10-21 23:15

Title

Double Free in net/packet/af_packet.c leading to priviledge escalation

Summary

Severity

6.6 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:H

SSVC

Exploitation: active Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-01-29 20:47 UTC

CWE

CWE-415 - Double Free

Assigner

Google Google root

References

5 references

URL	Tags
https://git.kernel.org/pub/scm/linux/kernel/git/t…
https://lists.debian.org/debian-lts-announce/2022…	mailing-list
https://www.debian.org/security/2022/dsa-5096	vendor-advisory
https://security.netapp.com/advisory/ntap-2023011…
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

1 product

Vendor	Product	Version
Linux Kernel	Kernel	Affected: unspecified , < 5.4.168 (custom) Affected: unspecified , < 5.10.88 (custom) Affected: unspecified , < 5.15.11 (custom) Affected: unspecified , < 5.16-rc6 (custom)

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:44:13.906Z",
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          {
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            "url": "https://www.debian.org/security/2022/dsa-5096"
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            "tags": [
              "x_transferred"
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            "url": "https://security.netapp.com/advisory/ntap-20230110-0002/"
          }
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        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-22600",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
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                "timestamp": "2025-01-29T20:47:54.395065Z",
                "version": "2.0.3"
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          {
            "other": {
              "content": {
                "dateAdded": "2022-04-11",
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          "product": "Kernel",
          "vendor": "Linux Kernel",
          "versions": [
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    "dateReserved": "2021-01-05T00:00:00.000Z",
    "dateUpdated": "2025-10-21T23:15:48.681Z",
    "state": "PUBLISHED"
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}

CVE-2022-22942 (GCVE-0-2022-22942)

Vulnerability from cvelistv5 – Published: 2023-12-13 08:16 – Updated: 2024-08-03 03:28

Summary

The vmwgfx driver contains a local privilege escalation vulnerability that allows unprivileged users to gain access to files opened by other processes on the system through a dangling 'file' pointer.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

Privilege escalation

Assigner

vmware mitre root

References

3 references

URL	Tags
https://github.com/vmware/photon/wiki/Security-Up…
https://github.com/vmware/photon/wiki/Security-Up…
https://www.openwall.com/lists/oss-security/2022/…

Impacted products

1 product

Vendor	Product	Version
n/a	Photon OS	Affected: 3.0, 4.0

Date Public

2022-01-27 07:06

Show details on NVD website

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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.

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.

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.

Action not permitted

OESA-2022-1517 (CVE-2021-22600)

CVE-2021-22600 (GCVE-0-2021-22600)

CVE-2022-22942 (GCVE-0-2022-22942)

Tags

Sightings

Nomenclature

Related by attack behaviour