github - ghsa-7f3j-x5jc-j32w

GHSA-7F3J-X5JC-J32W

Vulnerability from github – Published: 2022-05-24 19:15 – Updated: 2022-05-24 19:15

Details

arch/mips/net/bpf_jit.c in the Linux kernel through 5.14.6 can generate undesirable machine code when transforming unprivileged cBPF programs, allowing execution of arbitrary code within the kernel context. This occurs because conditional branches can exceed the 128 KB limit of the MIPS architecture.

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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{
  "affected": [],
  "aliases": [
    "CVE-2021-38300"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-09-20T06:15:00Z",
    "severity": "HIGH"
  },
  "details": "arch/mips/net/bpf_jit.c in the Linux kernel through 5.14.6 can generate undesirable machine code when transforming unprivileged cBPF programs, allowing execution of arbitrary code within the kernel context. This occurs because conditional branches can exceed the 128 KB limit of the MIPS architecture.",
  "id": "GHSA-7f3j-x5jc-j32w",
  "modified": "2022-05-24T19:15:22Z",
  "published": "2022-05-24T19:15:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-38300"
    },
    {
      "type": "WEB",
      "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.10"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=37cb28ec7d3a36a5bace7063a3dba633ab110f8b"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20211008-0003"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2022/dsa-5096"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2021/09/15/5"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-38300 (GCVE-0-2021-38300)

Vulnerability from cvelistv5 – Published: 2021-09-20 05:25 – Updated: 2024-08-04 01:37

Summary

arch/mips/net/bpf_jit.c in the Linux kernel before 5.4.10 can generate undesirable machine code when transforming unprivileged cBPF programs, allowing execution of arbitrary code within the kernel context. This occurs because conditional branches can exceed the 128 KB limit of the MIPS architecture.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	http://www.openwall.com/lists/oss-security/2021/09/15/5	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-2021100…	x_refsource_CONFIRM
	https://git.kernel.org/pub/scm/linux/kernel/git/t…	x_refsource_CONFIRM
	https://cdn.kernel.org/pub/linux/kernel/v5.x/Chan…	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2022…	mailing-listx_refsource_MLIST
	https://www.debian.org/security/2022/dsa-5096	vendor-advisoryx_refsource_DEBIAN

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-7F3J-X5JC-J32W

CVE-2021-38300 (GCVE-0-2021-38300)

Tags

Sightings

Nomenclature