CVE-2022-49583
Last modified
CVE-2022-49583 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: iavf: Fix handling of dummy receive descriptors Fix memory leak caused by not handling dummy receive descriptor properly. iavf_get_rx_buffer now sets the rx_buffer return value for dummy receive descriptors. Without this patch, when the hardware writes a dummy descriptor, iavf would not free the page allocated for the previous receive buffer. EPSS estimates a 0.25% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: iavf: Fix handling of dummy receive descriptors Fix memory leak caused by not handling dummy receive descriptor properly. iavf_get_rx_buffer now sets the rx_buffer return value for dummy receive descriptors. Without this patch, when the hardware writes a dummy descriptor, iavf would not free the page allocated for the previous receive buffer. This is an unlikely event but can still happen. [Jesse: massaged commit message]
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 5.1.20, < 5.2 | — |
| Linux | Linux Kernel | >= 5.2.3, < 5.4.208 | — |
| Linux | Linux Kernel | >= 5.5, < 5.10.134 | — |
| Linux | Linux Kernel | >= 5.11, < 5.15.58 | — |
| Linux | Linux Kernel | >= 5.16, < 5.18.15 | — |
| Linux | Linux Kernel | 5.19 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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