VulnerabilityModified
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.
HIGH 7.8EPSS 0.65%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.65% probability · 49th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel · redhat/enterprise linux · canonical/ubuntu linux · opensuse/leap
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.htmlMailing List, Third Party Advisory
- http://patchwork.ozlabs.org/patch/1042902/Patch, Third Party Advisory
- http://www.securityfocus.com/bid/107063Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2020:0174Third Party Advisory
- https://usn.ubuntu.com/3930-1/Third Party Advisory
- https://usn.ubuntu.com/3930-2/Third Party Advisory
- https://usn.ubuntu.com/3931-1/Third Party Advisory
- https://usn.ubuntu.com/3931-2/Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-8912Issue Tracking, Patch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.htmlMailing List, Third Party Advisory
- http://patchwork.ozlabs.org/patch/1042902/Patch, Third Party Advisory
- http://www.securityfocus.com/bid/107063Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2020:0174Third Party Advisory
- https://usn.ubuntu.com/3930-1/Third Party Advisory
- https://usn.ubuntu.com/3930-2/Third Party Advisory
- https://usn.ubuntu.com/3931-1/Third Party Advisory
- https://usn.ubuntu.com/3931-2/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.