PT-2020-1609 · Linux+6 · Linux Kernel+6
Tristan Madani
·
Published
2020-01-30
·
Updated
2024-06-15
·
CVE-2020-8648
CVSS v3.1
7.1
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions through 5.5.2
Description
The issue is related to a use-after-free vulnerability in the
n tty receive buf common function in drivers/tty/n tty.c. This vulnerability may allow an attacker to disclose protected information or cause a denial of service.Recommendations
For Linux kernel versions through 5.5.2, update to a version newer than 5.5.2 to resolve the issue.
As a temporary workaround, consider restricting access to the
n tty receive buf common function in drivers/tty/n tty.c until a patch is available.Exploit
Fix
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Almalinux
Centos
Linux Kernel
Red Hat
Suse
Ubuntu