Use After Free Affecting kernel-debuginfo-common-x86_64 package, versions <0:4.14.173-137.228.amzn2
Threat Intelligence
EPSS
0.08% (34th
percentile)
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Test your applications- Snyk ID SNYK-AMZN2-KERNELDEBUGINFOCOMMONX8664-1678812
- published 27 Sep 2021
- disclosed 6 Feb 2020
Introduced: 6 Feb 2020
CVE-2020-8648 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel-debuginfo-common-x86_64 to version 0:4.14.173-137.228.amzn2 or higher.
This issue was patched in ALAS2-2020-1405.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo-common-x86_64 package and not the kernel-debuginfo-common-x86_64 package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.
References
- https://security.netapp.com/advisory/ntap-20200924-0004/
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8648
- https://www.debian.org/security/2020/dsa-4698
- https://bugzilla.kernel.org/show_bug.cgi?id=206361
- 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
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
- https://usn.ubuntu.com/4342-1/
- https://usn.ubuntu.com/4344-1/
- https://usn.ubuntu.com/4345-1/
- https://usn.ubuntu.com/4346-1/
CVSS Scores
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