CVE-2023-0266
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- CVE-2023-0266
CVE Details
| Release Date: | 2023-01-30 | |
| Impact: | None | What is this? |
Description
A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit 56b88b50565cd8b946a2d00b0c83927b7ebb055e
See more information about CVE-2023-0266 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 8 (kernel) | ELSA-2023-1566 | 2023-04-05 |
| Oracle Linux version 8 (kernel-uek) | ELSA-2023-12196 | 2023-03-16 |
| Oracle Linux version 9 (kernel) | ELSA-2023-1470 | 2023-03-28 |
| Oracle Linux version 9 (kernel-uek) | ELSA-2023-12196 | 2023-03-16 |
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