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CVE-2019-8912

CVE information

Published

5 years ago

Last Modified

2 years ago

CVSSv2.0 Severity

High

CVSSv3.1 Severity

High

Impact Analysis

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Description

In the Linux kernel through 4.20.11, af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free in sockfs_setattr..

CVSSv2.0 Score

Severity
High
Base Score
7.2/10
Exploit Score
3.9/10
Access Vector
Local
Access Complexity
Low
Authentication Required
None
Impact Score
10/10
Confidentiality Impact
Complete
Availability Impact
Complete
Integrity Impact
Complete

CVSSv3.1 Score

Severity
High
Base Score
7.8/10
Exploit Score
1.8/10
Access Vector
Local
Access Complexity
Low
Privileges Required
Low
Impact Score
5.9/10
Confidentiality Impact
High
Availability Impact
High
Integrity Impact
High
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  Yes
4.20 4.20.12
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  Yes
4.19 4.19.25
cpe:2.3:o:linux:linux_kernel:5.0:rc7:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:linux:linux_kernel:5.0:rc1:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  Yes
4.10 4.14.103
cpe:2.3:o:linux:linux_kernel:5.0:rc2:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:linux:linux_kernel:5.0:rc3:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:linux:linux_kernel:5.0:rc4:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:linux:linux_kernel:5.0:rc5:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:linux:linux_kernel:5.0:rc6:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:linux:linux_kernel:5.0:rc8:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
  Yes
- -
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
  Yes
- -
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
  Yes
- -
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
  Yes
- -

References