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Case File

CVE-2018-20856

HIGH · CVSS 7.8 EPSS 0.71% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-07-26 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗
External Security References
packetstormsecurity.com ↗ packetstormsecurity.com ↗ packetstormsecurity.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2018-20856
Severity
HIGH
CVSS
7.8
EPSS
0.71%
Linux

Original NVD Description

An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled.