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FlexeraCVE-2019-8956

HistoryApr 01, 2019 - 7:29 p.m.

CVE-2019-8956

2019-04-0119:29:01

CWE-787

CWE-416

flexera

web.nvd.nist.gov

112

linux kernel

use-after-free error

sctp_sendmsg

cve-2019-8956

memory corruption

nvd

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.4

Confidence

High

EPSS

0.001

Percentile

20.6%

JSON

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.

Affected configurations

Nvd

Node

linuxlinux_kernelRange4.17–4.19.21

linuxlinux_kernelRange4.20–4.20.8

Node

canonicalubuntu_linuxMatch18.04lts

canonicalubuntu_linuxMatch18.10

CNA Affected

[
  {
    "product": "Linux Kernel",
    "vendor": "UNKNOWN",
    "versions": [
      {
        "status": "affected",
        "version": "4.20.x prior to 4.20.8"
      },
      {
        "status": "affected",
        "version": "4.19.x prior to 4.19.21"
      }
    ]
  }
]