github - ghsa-3wq8-wfw2-w4xm

ghsa-3wq8-wfw2-w4xm

Vulnerability from github

Published

2022-05-17 01:18

Modified

2022-05-17 01:18

Severity ?

7.8 (High) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

The replace_map_fd_with_map_ptr function in kernel/bpf/verifier.c in the Linux kernel before 4.5.5 does not properly maintain an fd data structure, which allows local users to gain privileges or cause a denial of service (use-after-free) via crafted BPF instructions that reference an incorrect file descriptor.

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{
  "affected": [],
  "aliases": [
    "CVE-2016-4557"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2016-05-23T10:59:00Z",
    "severity": "HIGH"
  },
  "details": "The replace_map_fd_with_map_ptr function in kernel/bpf/verifier.c in the Linux kernel before 4.5.5 does not properly maintain an fd data structure, which allows local users to gain privileges or cause a denial of service (use-after-free) via crafted BPF instructions that reference an incorrect file descriptor.",
  "id": "GHSA-3wq8-wfw2-w4xm",
  "modified": "2022-05-17T01:18:09Z",
  "published": "2022-05-17T01:18:09Z",
  "references": [
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-4557"
    },
    {
      "type": "WEB",
      "url": "https://github.com/torvalds/linux/commit/8358b02bf67d3a5d8a825070e1aa73f25fb2e4c7"
    },
    {
      "type": "WEB",
      "url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=808"
    },
    {
      "type": "WEB",
      "url": "https://bugs.debian.org/823603"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1334307"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/40759"
    },
    {
      "type": "WEB",
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8358b02bf67d3a5d8a825070e1aa73f25fb2e4c7"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html"
    },
    {
      "type": "WEB",
      "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2016/05/06/4"
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  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2016-4557

Vulnerability from cvelistv5

Published

2016-05-23 10:00

Modified

2024-08-06 00:32

Severity ?

Summary

References

▼	URL	Tags
	https://bugs.debian.org/823603	x_refsource_CONFIRM
	http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html	vendor-advisory, x_refsource_SUSE
	https://bugzilla.redhat.com/show_bug.cgi?id=1334307	x_refsource_CONFIRM
	https://github.com/torvalds/linux/commit/8358b02bf67d3a5d8a825070e1aa73f25fb2e4c7	x_refsource_CONFIRM
	http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5	x_refsource_CONFIRM
	https://bugs.chromium.org/p/project-zero/issues/detail?id=808	x_refsource_MISC
	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8358b02bf67d3a5d8a825070e1aa73f25fb2e4c7	x_refsource_CONFIRM
	http://www.openwall.com/lists/oss-security/2016/05/06/4	mailing-list, x_refsource_MLIST
	https://www.exploit-db.com/exploits/40759/	exploit, x_refsource_EXPLOIT-DB

Impacted products

Vendor

Product

Version

▼

n/a

Version: n/a

Show details on NVD website

JSON

To clipboard

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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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