CVE-2019-8912
High
CVE-2019-8912
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.
Exploit probability
0.7%
Published
February 18, 2019
Required by
Not available
Last source change
March 15, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2019-8912
View original source
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.
05 / REFERENCES
Further evidence
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.html
- http://patchwork.ozlabs.org/patch/1042902/
- http://www.securityfocus.com/bid/107063
- https://access.redhat.com/errata/RHSA-2020:0174
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-8912
- https://usn.ubuntu.com/3930-1/
- https://usn.ubuntu.com/3930-2/
- https://usn.ubuntu.com/3931-1/
- https://usn.ubuntu.com/3931-2/