CVE-2019-8912

HIGH

Linux Kernel < 4.20.11 - Use-After-Free in af_alg_release

Title source: llm
STIX 2.1

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 (9)

Core 9
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/107063
Patch, Third Party Advisory x_refsource_misc
http://patchwork.ozlabs.org/patch/1042902/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3930-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3931-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3931-2/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3930-2/
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.html
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2020:0174
Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-8912

Scores

CVSS v3 7.8
EPSS 0.0037
EPSS Percentile 58.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (8)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 18.10
linux/linux_kernel 5.0 rc1 (8 CPE variants)
linux/linux_kernel 4.10 - 4.14.103
opensuse/leap 15.0
redhat/enterprise_linux 7.0
Published Feb 18, 2019
Tracked Since Feb 18, 2026