vulnerability
Oracle Linux: CVE-2021-33656: ELSA-2022-9761: Unbreakable Enterprise kernel security update (IMPORTANT) (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Jan 5, 2021 | Sep 7, 2022 | Jan 23, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Jan 5, 2021
Added
Sep 7, 2022
Modified
Jan 23, 2025
Description
When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.
An out-of-bounds write flaw was found in the Linux kernel’s console driver functionality in the way a user triggers the ioctl PIO_FONT with malicious data. This flaw allows a local user to crash or potentially escalate their privileges on the system.
An out-of-bounds write flaw was found in the Linux kernel’s console driver functionality in the way a user triggers the ioctl PIO_FONT with malicious data. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Solution(s)
oracle-linux-upgrade-kerneloracle-linux-upgrade-kernel-uek
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