Lucene search

K
cve[email protected]CVE-2017-8824
HistoryDec 05, 2017 - 9:29 a.m.

CVE-2017-8824

2017-12-0509:29:00
CWE-416
web.nvd.nist.gov
223
cve-2017-8824
linux kernel
dccp_disconnect
net/dccp/proto.c
af_unspec
use-after-free
dccp_listen state
denial of service
privilege escalation
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

6.8

Confidence

High

EPSS

0

Percentile

0.4%

The dccp_disconnect function in net/dccp/proto.c in the Linux kernel through 4.14.3 allows local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state.

Affected configurations

NVD
Node
linuxlinux_kernelRange2.6.143.2.97
OR
linuxlinux_kernelRange3.33.16.52
OR
linuxlinux_kernelRange3.173.18.95
OR
linuxlinux_kernelRange3.194.1.50
OR
linuxlinux_kernelRange4.24.4.116
OR
linuxlinux_kernelRange4.54.9.82
OR
linuxlinux_kernelRange4.104.14.20

CNA Affected

[
  {
    "product": "Linux kernel through 4.14.3",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Linux kernel through 4.14.3"
      }
    ]
  }
]

References

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

6.8

Confidence

High

EPSS

0

Percentile

0.4%