vulnerability
Ubuntu: (Multiple Advisories) (CVE-2021-47330): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | May 21, 2024 | Nov 19, 2024 | Mar 27, 2026 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
May 21, 2024
Added
Nov 19, 2024
Modified
Mar 27, 2026
Description
In the Linux kernel, the following vulnerability has been resolved:
tty: serial: 8250: serial_cs: Fix a memory leak in error handling path
In the probe function, if the final 'serial_config()' fails, 'info' is
leaking.
Add a resource handling path to free this memory.
Solutions
ubuntu-upgrade-linux-image-4-4-0-1119-fipsubuntu-upgrade-linux-image-4-4-0-1149-awsubuntu-upgrade-linux-image-4-4-0-1150-kvmubuntu-upgrade-linux-image-4-4-0-1187-awsubuntu-upgrade-linux-image-4-4-0-274-genericubuntu-upgrade-linux-image-4-4-0-274-lowlatencyubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-fipsubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-lts-xenialubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-lts-xenial
References
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.