CVE-2022-50073: net: tap: NULL pointer derefence in dev_parse_header_protocol when skb->dev is null

Overview

Severity

Medium (CVSS 5.5)

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Status

Not Exploited

Patch Tuesday

2025-Jun

Released

2025-11-19

Last Updated

2026-09-05

EPSS Score

0.19% (percentile: 8.5%)

Affected Products (5)

Other

• 17087-17086
• 21093-17086
• 21093
• 21093-21692
• 20925-17086

Security Updates (1)

• Security Update

Revision History

• 2025-11-19: Information published.
• 2026-03-03: Information published.
• 2026-03-31: Information published.
• 2026-08-07: Information published.
• 2026-08-23: Information published.
• 2026-09-05: Information published.