vulnerability
Debian: CVE-2021-20226: linux -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:L/AC:L/Au:N/C:P/I:P/A:C) | Feb 23, 2021 | Jul 30, 2024 | Aug 15, 2025 |
Severity
6
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:C)
Published
Feb 23, 2021
Added
Jul 30, 2024
Modified
Aug 15, 2025
Description
A use-after-free flaw was found in the io_uring in Linux kernel, where a local attacker with a user privilege could cause a denial of service problem on the system The issue results from the lack of validating the existence of an object prior to performing operations on the object by not incrementing the file reference counter while in use. The highest threat from this vulnerability is to data integrity, confidentiality and system availability.
Solution
debian-upgrade-linux
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