CVE-2023-0266
| CVE Published | 2023-01-30 |
|---|---|
| Related CWE(s) | CWE-416: Use After Free |
| Related Vendor(s) | linux |
| Related Product(s) | linux_kernel |
| Exploitation Reported (CISA KEV) | 2023-03-30 |
| CVSS 3 Base Score | 7.9 (HIGH) |
| CVSS 3 Attack Complexity | HIGH |
| CVSS 3 Attack Vector | ADJACENT_NETWORK |
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
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