CVE-2020-8649 — Vulnetix

CVE-2020-8649 PUBLISHED

There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vgacon_invert_region function in drivers/video/console/vgacon.c.

EPSS 0.09% · 25.1th percentile

Risk Scores

EPSS Score

0.09%

25.1th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:18.04:LTS	linux-gke-5.3	*, 0, 5.3.0-1012.13~18.04.1
Ubuntu:Pro:FIPS-updates:18.04:LTS	linux-azure-fips	0, 4.15.0-1002.2
Ubuntu:18.04:LTS	linux-raspi2-5.3	5.3.0-1022.24~18.04.1, 5.3.0-1021.23~18.04.1, 5.3.0-1018.20~18.04.1
Ubuntu:18.04:LTS	linux-oem	4.15.0-1017.20, 4.15.0-1050.57, 4.15.0-1002.3
Ubuntu:18.04:LTS	linux-azure	5.0.0-1035.37, ,
Ubuntu:22.04:LTS	linux-riscv	5.13.0-1006.6+22.04.1, 0, 5.15.0-1007.7
Ubuntu:16.04:LTS	linux	4.2.0-17.21, 4.4.0-174.204, 4.4.0-173.203
Ubuntu:18.04:LTS	linux-gke-4.15	4.15.0-1040.42, 4.15.0-1041.43, 4.15.0-1042.44
Ubuntu:18.04:LTS	linux-oem-osp1	5.0.0-1027.31, 5.0.0-1030.34, 5.0.0-1033.38
Ubuntu:18.04:LTS	linux-oracle	4.15.0-1022.25, 4.15.0-1023.26, 4.15.0-1025.28
Ubuntu:Pro:14.04:LTS	linux-azure	, , 0
Ubuntu:18.04:LTS	linux-azure-edge	0, 5.0.0-1012.12~18.04.2, 4.18.0-1008.8~18.04.1
Ubuntu:18.04:LTS	linux-aws-5.3	0, 5.3.0-1016.17~18.04.1
Ubuntu:20.04:LTS	linux-raspi2	5.3.0-1015.17, 0, 5.3.0-1007.8
Ubuntu:18.04:LTS	linux-raspi2	4.15.0-1057.61, 4.15.0-1037.39, 4.15.0-1011.12
Ubuntu:20.04:LTS	linux-gke	5.4.0-1104.111, 5.4.0-1067.70, 5.4.0-1068.71
Ubuntu:18.04:LTS	linux-oracle-5.0	0, 5.0.0-1007.12~18.04.1, 5.0.0-1013.18
Ubuntu:16.04:LTS	linux-oracle	4.15.0-1027.30~16.04.1, 4.15.0-1025.28~16.04.1, 4.15.0-1023.26~16.04.1
Ubuntu:18.04:LTS	linux-gcp-edge	4.18.0-1013.14~18.04.1, 0, 4.18.0-1005.6~18.04.1
Ubuntu:18.04:LTS	linux-gcp-5.3	5.3.0-1010.11~18.04.1, 5.3.0-1014.15~18.04.1, 5.3.0-1016.17~18.04.1

…and 33 more

Exploit Intelligence

https://bugzilla.kernel.org/show_bug.cgi?id=206357 (nist-nvd)
CVE-2008-5161 OpenSSH 4.7p1 Audit Helper Automates version checking and credential auditing of legacy OpenSSH 4.7p1 (Debian-8ubuntu1) targets by driving Metasploit’s auxiliary/scanner/ssh/ssh_login module from Python via pwntools. (github-poc)
CVE-2008-5161 OpenSSH 4.7p1 Audit Helper Automates version checking and credential auditing of legacy OpenSSH 4.7p1 (Debian-8ubuntu1) targets by driving Metasploit’s auxiliary/scanner/ssh/ssh_login module from Python via pwntools. (github-poc)
CVE-2008-5161 OpenSSH 4.7p1 Audit Helper Automates version checking and credential auditing of legacy OpenSSH 4.7p1 (Debian-8ubuntu1) targets by driving Metasploit’s auxiliary/scanner/ssh/ssh_login module from Python via pwntools. (github-poc)
CVE-2008-5161 OpenSSH 4.7p1 Audit Helper Automates version checking and credential auditing of legacy OpenSSH 4.7p1 (Debian-8ubuntu1) targets by driving Metasploit’s auxiliary/scanner/ssh/ssh_login module from Python via pwntools. (github-poc)
CVE-2008-5161 OpenSSH 4.7p1 Audit Helper Automates version checking and credential auditing of legacy OpenSSH 4.7p1 (Debian-8ubuntu1) targets by driving Metasploit’s auxiliary/scanner/ssh/ssh_login module from Python via pwntools. (github-poc)
CVE-2008-5161 OpenSSH 4.7p1 Audit Helper Automates version checking and credential auditing of legacy OpenSSH 4.7p1 (Debian-8ubuntu1) targets by driving Metasploit’s auxiliary/scanner/ssh/ssh_login module from Python via pwntools. (github-poc)

Timeline

Feb 6, 2020 CVE Published
Apr 14, 2021 EPSS Score
Jun 23, 2021 EPSS Score
Aug 24, 2021 EPSS Score
Oct 26, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Feb 28, 2022 EPSS Score
Apr 1, 2022 EPSS Score
May 1, 2022 EPSS Score
Jul 3, 2022 EPSS Score
Sep 4, 2022 EPSS Score

References

https://ubuntu.com/security/CVE-2020-8649 third-party-advisory
https://bugzilla.kernel.org/show_bug.cgi?id=206357 third-party-advisory
https://usn.ubuntu.com/lsn/0066-1/ third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2020-8649 third-party-advisory

Open in Interactive Console →