CVE-2020-29372

kernel: IORING_OP_MADVISE races with coredumping

Published Nov 28, 2020 CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Description
An issue was discovered in do_madvise in mm/madvise.c in the Linux kernel before 5.6.8. There is a race condition between coredump operations and the IORING_OP_MADVISE implementation, aka CID-bc0c4d1e176e.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2020-21745 An issue was discovered in do_madvise in mm/madvise.c in the Linux kernel before 5.6.8. There is a race condition between coredump operations and the IORING_OP_MADVISE implementation, aka CID-bc0c4d1e176e.
History
Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
May 29, 2026, 3:41 PM
Reserved
Nov 28, 2020, 12:00 AM
Status
Modified
Published
Nov 28, 2020, 7:15 AM
Modified
Jun 17, 2026, 3:11 AM
Severity
Public date
Jul 23, 2020, 12:00 AM