github - ghsa-w9w3-f8q7-x576

ghsa-w9w3-f8q7-x576

Vulnerability from github

Published

2022-05-24 19:06

Modified

2023-08-08 15:31

Severity ?

4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

In kernel/bpf/verifier.c in the Linux kernel before 5.12.13, a branch can be mispredicted (e.g., because of type confusion) and consequently an unprivileged BPF program can read arbitrary memory locations via a side-channel attack, aka CID-9183671af6db.

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2021-33624"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-203"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-06-23T16:15:00Z",
    "severity": "MODERATE"
  },
  "details": "In kernel/bpf/verifier.c in the Linux kernel before 5.12.13, a branch can be mispredicted (e.g., because of type confusion) and consequently an unprivileged BPF program can read arbitrary memory locations via a side-channel attack, aka CID-9183671af6db.",
  "id": "GHSA-w9w3-f8q7-x576",
  "modified": "2023-08-08T15:31:18Z",
  "published": "2022-05-24T19:06:02Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33624"
    },
    {
      "type": "WEB",
      "url": "https://github.com/torvalds/linux/commit/9183671af6dbf60a1219371d4ed73e23f43b49db"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html"
    },
    {
      "type": "WEB",
      "url": "https://www.usenix.org/conference/usenixsecurity21/presentation/kirzner"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2021/06/21/1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

cve-2021-33624

Vulnerability from cvelistv5

Published

2021-06-23 15:37

Modified

2024-08-03 23:58

Severity ?

Summary

References

▼	URL	Tags
	https://www.usenix.org/conference/usenixsecurity21/presentation/kirzner	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2021/06/21/1	x_refsource_CONFIRM
	https://github.com/torvalds/linux/commit/9183671af6dbf60a1219371d4ed73e23f43b49db	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html	mailing-list, x_refsource_MLIST

Impacted products

Vendor

Product

Version

▼

n/a

Version: n/a

Show details on NVD website

JSON

To clipboard

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            ],
            "url": "https://www.usenix.org/conference/usenixsecurity21/presentation/kirzner"
          },
          {
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              "x_refsource_CONFIRM",
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            ],
            "url": "http://www.openwall.com/lists/oss-security/2021/06/21/1"
          },
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            ],
            "url": "https://github.com/torvalds/linux/commit/9183671af6dbf60a1219371d4ed73e23f43b49db"
          },
          {
            "name": "[debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update",
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              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html"
          }
        ],
        "title": "CVE Program Container"
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    ],
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        }
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          "tags": [
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          ],
          "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html"
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    "dateReserved": "2021-05-28T00:00:00",
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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