CVE-2022-49122
Last modified
CVE-2022-49122 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: dm ioctl: prevent potential spectre v1 gadget It appears like cmd could be a Spectre v1 gadget as it's supplied by a user and used as an array index. Prevent the contents of kernel memory from being leaked to userspace via speculative execution by using array_index_nospec.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: dm ioctl: prevent potential spectre v1 gadget It appears like cmd could be a Spectre v1 gadget as it's supplied by a user and used as an array index. Prevent the contents of kernel memory from being leaked to userspace via speculative execution by using array_index_nospec.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.9.311 |
| Linux | Linux Kernel | >= 4.10, < 4.14.276 |
| Linux | Linux Kernel | >= 4.15, < 4.19.238 |
| Linux | Linux Kernel | >= 4.20, < 5.4.189 |
| Linux | Linux Kernel | >= 5.5, < 5.10.111 |
| Linux | Linux Kernel | >= 5.11, < 5.15.34 |
| Linux | Linux Kernel | >= 5.16, < 5.16.20 |
| Linux | Linux Kernel | >= 5.17, < 5.17.3 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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