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CVE-2019-8912

Good to know:

Date: February 18, 2019

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.

Language: C

Severity Score

7.8

Related Resources (14)

Url: https://nvd.nist.gov/vuln/detail/CVE-2019-8912

Url: http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.html

Url: http://patchwork.ozlabs.org/patch/1042902/

Url: https://security-tracker.debian.org/tracker/CVE-2019-8912

Url: https://usn.ubuntu.com/3931-2/

Url: https://usn.ubuntu.com/3931-1/

Url: https://access.redhat.com/errata/RHSA-2020:0174

Url: https://usn.ubuntu.com/3930-2/

Url: https://access.redhat.com/security/cve/CVE-2019-8912

Url: http://www.securityfocus.com/bid/107063

Url: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-8912

Url: https://usn.ubuntu.com/3930-1/

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2019-8912

Url: https://www.mend.io/vulnerability-database/CVE-2019-8912

Severity Score

7.8

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

Upgrade Version

Upgrade to version v5.0-rc8

CVSS v3.1

Base Score:	7.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.2
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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