Is CVE-2020-29368 in the CISA KEV catalog?

No. CVE-2020-29368 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-29368?

CVE-2020-29368 has a CVSS v3 base score of 7.0 (HIGH).

What is the EPSS score for CVE-2020-29368?

CVE-2020-29368 has an EPSS score of 0.36% (28th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-29368?

Upgrade linux on debian 11 to 5.7.6-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2020-29368

HIGH

7.0

CVSS v3

NVD

Description

An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1.

CWE-362Race Condition

How to fix

Remediation Available

linuxDebian

Fixed in:5.7.6-1CVE-2020-29368

linux-image-5.6.0-1048-oemUbuntu

Fixed in:5.6.0-1048.52USN-4752-1

linux-image-oem-20.04Ubuntu

Fixed in:5.6.0.1048.44USN-4752-1

linux-oem-5.6Ubuntu

Fixed in:5.6.0-1048.52USN-4752-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.36%probability of exploitation in 30 days

28thpercentile

Low risk: more likely to be exploited than 28% of all known CVEs.

References

Patch2

Vendor Advisory1

cdn.kernel.org

Third-Party Advisory1

security.netapp.com

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-6387	High	8.1	100%	-	Fix
CVE-2023-36884	High	7.5	99%	KEV + Ransom	Fix
CVE-2018-15473	Medium	5.3	99%	-	Fix
CVE-2024-27983	High	8.2	87%	-	Fix
CVE-2014-0226	Medium	6.8	86%	-	Fix
CVE-2016-5195	High	7.0	84%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.