Race Condition Affecting kernel-debuginfo package, versions <0:4.14.238-182.421.amzn2
Threat Intelligence
EPSS
0.08% (35th
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-AMZN2-KERNELDEBUGINFO-1702382
- published 27 Sep 2021
- disclosed 10 May 2021
Introduced: 10 May 2021
CVE-2021-32399 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel-debuginfo to version 0:4.14.238-182.421.amzn2 or higher.
This issue was patched in ALAS2-2021-1685.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo package and not the kernel-debuginfo package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
net/bluetooth/hci_request.c in the Linux kernel through 5.12.2 has a race condition for removal of the HCI controller.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32399
- http://www.openwall.com/lists/oss-security/2021/05/11/2
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e2cb6b891ad2b8caa9131e3be70f45243df82a80
- https://github.com/torvalds/linux/commit/e2cb6b891ad2b8caa9131e3be70f45243df82a80
- https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
- https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
- https://security.netapp.com/advisory/ntap-20210622-0006/
CVSS Scores
version 3.1