Is CVE-2017-8797 in the CISA KEV catalog?

No. CVE-2017-8797 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-8797?

CVE-2017-8797 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-8797?

CVE-2017-8797 has an EPSS score of 8.67% (95th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-8797?

Upgrade linux on debian 11 to 4.9.30-1 or later.

CVE & CISA-KEV Catalog

CVE-2017-8797

HIGHEPSS 95th pctl

7.5

CVSS v3

NVD

Description

The NFSv4 server in the Linux kernel before 4.11.3 does not properly validate the layout type when processing the NFSv4 pNFS GETDEVICEINFO or LAYOUTGET operand in a UDP packet from a remote attacker. This type value is uninitialized upon encountering certain error conditions. This value is used as an array index for dereferencing, which leads to an OOPS and eventually a DoS of knfsd and a soft-lockup of the whole system.

CWE-129

How to fix

Remediation Available

linuxDebian

Fixed in:4.9.30-1CVE-2017-8797

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

8.67%probability of exploitation in 30 days

95thpercentile

High risk: more likely to be exploited than 95% of all known CVEs.

References

Patch5

Vendor Advisory1

kernel.org

Third-Party Advisory7

Related Vulnerabilities

Other CWE-129 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-35592	Medium	6.3	51%	-	Fix
CVE-2021-35598	Medium	6.3	50%	-	Fix
CVE-2021-35594	Medium	6.3	50%	-	Fix
CVE-2014-6317	High	7.1	18%	-	-
CVE-2022-35737	High	7.5	18%	-	Fix
CVE-2023-40477	High	7.8	13%	-	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 2026-05-13.