github - ghsa-6647-2gmj-c8h8

GHSA-6647-2GMJ-C8H8

Vulnerability from github – Published: 2022-05-13 01:02 – Updated: 2022-05-13 01:02

Details

In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the "sctp_sendmsg()" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.

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-2019-8956"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-04-01T19:29:00Z",
    "severity": "HIGH"
  },
  "details": "In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the \"sctp_sendmsg()\" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.",
  "id": "GHSA-6647-2gmj-c8h8",
  "modified": "2022-05-13T01:02:54Z",
  "published": "2022-05-13T01:02:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-8956"
    },
    {
      "type": "WEB",
      "url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21"
    },
    {
      "type": "WEB",
      "url": "https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=ba59fb0273076637f0add4311faa990a5eec27c0"
    },
    {
      "type": "WEB",
      "url": "https://secuniaresearch.flexerasoftware.com/secunia_research/2019-5"
    },
    {
      "type": "WEB",
      "url": "https://support.f5.com/csp/article/K12671141"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3930-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3930-2"
    }
  ],
  "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-2019-8956 (GCVE-0-2019-8956)

Vulnerability from cvelistv5 – Published: 2019-04-01 18:39 – Updated: 2024-08-04 21:31

Summary

In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the "sctp_sendmsg()" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.

Severity ?

No CVSS data available.

CWE

Privilege escalation

Assigner

flexera

References

URL

Tags

	https://cdn.kernel.org/pub/linux/kernel/v4.x/Chan…	x_refsource_MISC
	https://cdn.kernel.org/pub/linux/kernel/v4.x/Chan…	x_refsource_MISC
	https://secuniaresearch.flexerasoftware.com/secun…	x_refsource_MISC
	https://git.kernel.org/cgit/linux/kernel/git/stab…	x_refsource_MISC
	https://usn.ubuntu.com/3930-1/	vendor-advisoryx_refsource_UBUNTU
	https://usn.ubuntu.com/3930-2/	vendor-advisoryx_refsource_UBUNTU
	https://support.f5.com/csp/article/K12671141	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	UNKNOWN	Linux Kernel	Affected: 4.20.x prior to 4.20.8 Affected: 4.19.x prior to 4.19.21

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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-6647-2GMJ-C8H8

CVE-2019-8956 (GCVE-0-2019-8956)

Tags

Sightings

Nomenclature