CVE-2026-31700: net/packet: fix TOCTOU race on mmap'd vnet_hdr in tpacket_snd()
Overview
- Severity
- High (CVSS 7.8)
- CVSS Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-May
- Released
- 2026-05-02
- Last Updated
- 2026-05-04
- EPSS Score
- 0.10% (percentile: 1.2%)
Affected Products (1)
Open Source Software
- azl3 kernel 6.6.134.1-2 on Azure Linux 3.0
Revision History
- 2026-05-02: Information published.
- 2026-05-02: Information published.
- 2026-05-04: Information published.