CVE-2019-8912

high

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.

References

Advisories

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

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

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

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

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

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

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

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

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

Details

Source: Mitre, NVD

Published: 2019-02-18

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H