CVE-2021-4009
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- CVE-2021-4009
CVE Details
| Release Date: | 2021-12-17 | |
| Impact: | None | What is this? |
Description
A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SProcXFixesCreatePointerBarrier function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
See more information about CVE-2021-4009 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 7.8 |
| Vector String: | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Version: | 3.0 |
| Attack Vector: | Local |
| Attack Complexity: | Low |
| Privileges Required: | Low |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | High |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 7 (xorg-x11-server) | ELSA-2022-0003 | 2022-01-04 |
| Oracle Linux version 8 (xorg-x11-server) | ELSA-2022-1917 | 2022-05-17 |
| Oracle Linux version 8 (xorg-x11-server-Xwayland) | ELSA-2022-1917 | 2022-05-17 |
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