CVE-2026-43500: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present
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/E:U
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-May
- Released
- 2026-05-12
- Last Updated
- 2026-06-23
- EPSS Score
- 92.64% (percentile: 99.8%)
Detection & Weaponization (2 sources)
Maturity: Exploit
- Metasploit modules: rxkad Page-Cache Write via CVE-2026-43500
- GitHub PoC: 2 repositories
Affected Products (3)
Open Source Software
- azl3 kernel 6.6.138.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.139.1-1 on Azure Linux 3.0
Other
Revision History
- 2026-05-12: Information published.
- 2026-05-17: Information published.
- 2026-06-17: Information published.
- 2026-06-23: Information published.