Vulnerability Details : CVE-2023-34319

The fix for XSA-423 added logic to Linux'es netback driver to deal with a frontend splitting a packet in a way such that not all of the headers would come in one piece. Unfortunately the logic introduced there didn't account for the extreme case of the entire packet being split into as many pieces as permitted by the protocol, yet still being smaller than the area that's specially dealt with to keep all (possible) headers together. Such an unusual packet would therefore trigger a buffer overrun in the driver.
Published 2023-09-22 14:15:46
Updated 2024-06-26 15:54:53
Source Xen Project
View at NVD,   CVE.org
Vulnerability category: Overflow

Products affected by CVE-2023-34319

Exploit prediction scoring system (EPSS) score for CVE-2023-34319

EPSS FAQ
0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 7 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-34319

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.8
 HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
 NIST

CWE ids for CVE-2023-34319

  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2023-34319

Jump to
This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!
Accept Close