CVE-2020-16119: DCCP CCID structure use-after-free
First published: Thu Jan 14 2021(Updated: )
Last updated 29 November 2024
Credit: security@ubuntu.com security@ubuntu.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | ||
| Canonical Ubuntu Linux | =12.04 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =20.04 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =11.0 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
Remedy
Blacklist the dccp ipv[46] autoloading aliases by adding the following lines to /etc/modprobe.d/blacklist-dccp.conf: alias net-pf-2-proto-0-type-6 off alias net-pf-2-proto-33-type-6 off alias net-pf-10-proto-0-type-6 off alias net-pf-10-proto-33-type-6 off
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Reference Links
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695
- https://launchpad.net/bugs/1883840
- https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza@canonical.com/T/
- https://security.netapp.com/advisory/ntap-20210304-0006/
- https://ubuntu.com/USN-4576-1
- https://ubuntu.com/USN-4577-1
- https://ubuntu.com/USN-4578-1
- https://ubuntu.com/USN-4579-1
- https://ubuntu.com/USN-4580-1
- https://www.debian.org/security/2021/dsa-4978
- https://launchpad.net/bugs/cve/CVE-2020-16119
- https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza%40canonical.com/T/
- https://www.openwall.com/lists/oss-security/2020/10/13/7
- https://git.kernel.org/linus/d9ea761fdd197351890418acd462c51f241014a7
- https://security-tracker.debian.org/tracker/CVE-2020-16119
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16119
- https://nvd.nist.gov/vuln/detail/CVE-2020-16119
- https://ubuntu.com/security/CVE-2020-16119
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