CVE-2023-34319
CVSS 3.1 Score 7.8 of 10 (high)
Details
Published Sep 22, 2023
Updated: Jun 26, 2024
CWE ID 787
Summary
CVE-2023-34319 is a newly discovered vulnerability in Linux's netback driver. The driver was previously patched for XSA-423, but the fix introduced logic to handle packets split by a frontend. This logic did not account for the extreme case where a packet is split into an unusually large number of pieces, smaller than the designated area, resulting in a buffer overrun in the driver.
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Affected Products
- Linux Kernel
- Xen
- Debian
Affected Vendors
- LINUX
- Xen
- Debian
Advisories, Assessments, and Mitigations
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