Use After Free Affecting kernel-debug package, versions <0:4.18.0-305.el8
Threat Intelligence
EPSS
0.11% (45th
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-RHEL8-KERNELDEBUG-3965601
- published 26 Jul 2021
- disclosed 23 Mar 2020
Introduced: 23 Mar 2020
CVE-2020-12464 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-debug to version 0:4.18.0-305.el8 or higher.
This issue was patched in RHSA-2021:1578.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug package and not the kernel-debug package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
usb_sg_cancel in drivers/usb/core/message.c in the Linux kernel before 5.6.8 has a use-after-free because a transfer occurs without a reference, aka CID-056ad39ee925.
References
- https://security.netapp.com/advisory/ntap-20200608-0001/
- https://access.redhat.com/security/cve/CVE-2020-12464
- https://www.debian.org/security/2020/dsa-4698
- https://www.debian.org/security/2020/dsa-4699
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.8
- https://github.com/torvalds/linux/commit/056ad39ee9253873522f6469c3364964a322912b
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=056ad39ee9253873522f6469c3364964a322912b
- https://lkml.org/lkml/2020/3/23/52
- https://patchwork.kernel.org/patch/11463781/
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
- https://access.redhat.com/errata/RHSA-2021:1578
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
- https://usn.ubuntu.com/4387-1/
- https://usn.ubuntu.com/4388-1/
- https://usn.ubuntu.com/4389-1/
- https://usn.ubuntu.com/4390-1/
- https://usn.ubuntu.com/4391-1/
CVSS Scores
version 3.1