CVE-2026-68398: ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF

Overview

Severity
Medium (CVSS 4.7)
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploit Status
Not Exploited
Patch Tuesday
2026-Aug
Released
2026-08-11
Last Updated
2026-08-14
EPSS Score
0.18% (percentile: 6.3%)

Detection & Weaponization (1 sources)

Maturity: Exploit

  • GitHub PoC: 1 repositories

Affected Products (1)

Other

  • 21474-17084

Revision History

  • 2026-08-11: Information published.
  • 2026-08-12: Information published.
  • 2026-08-14: Information published.
  • 2026-08-14: Information published.
  • 2026-08-14: Information published.