github - ghsa-wqqm-p6gj-wr83

GHSA-WQQM-P6GJ-WR83

Vulnerability from github – Published: 2022-05-24 17:43 – Updated: 2023-06-30 18:31

Details

An out-of-bounds access flaw was found in the Linux kernel's implementation of the eBPF code verifier in the way a user running the eBPF script calls dev_map_init_map or sock_map_alloc. This flaw allows a local user to crash the system or possibly escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Severity ?

7.8 (High)


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

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  "aliases": [
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  ],
  "database_specific": {
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      "CWE-20"
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-03-09T18:15:00Z",
    "severity": "HIGH"
  },
  "details": "An out-of-bounds access flaw was found in the Linux kernel\u0027s implementation of the eBPF code verifier in the way a user running the eBPF script calls dev_map_init_map or sock_map_alloc. This flaw allows a local user to crash the system or possibly escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.",
  "id": "GHSA-wqqm-p6gj-wr83",
  "modified": "2023-06-30T18:31:00Z",
  "published": "2022-05-24T17:43:54Z",
  "references": [
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      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20268"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1923816"
    },
    {
      "type": "WEB",
      "url": "https://lore.kernel.org/bpf/CACAyw99bEYWJCSGqfLiJ9Jp5YE1ZsZSiJxb4RFUTwbofipf0dA@mail.gmail.com/T/#m8929643e99bea9c18ed490a7bc2591145eac6444"
    },
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      "url": "https://security.netapp.com/advisory/ntap-20210409-0006"
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      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-20268 (GCVE-0-2021-20268)

Vulnerability from cvelistv5 – Published: 2021-03-09 17:16 – Updated: 2024-08-03 17:37

Summary

Severity ?

No CVSS data available.

CWE

CWE-20

Assigner

redhat

References

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=1923816	x_refsource_MISC
	https://lore.kernel.org/bpf/CACAyw99bEYWJCSGqfLiJ…	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-2021040…	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	kernel	Affected: kernel 5.10.10

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-WQQM-P6GJ-WR83

CVE-2021-20268 (GCVE-0-2021-20268)

Tags

Sightings

Nomenclature