Is CVE-2017-9074 in the CISA KEV catalog?

No. CVE-2017-9074 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-9074?

CVE-2017-9074 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2017-9074?

CVE-2017-9074 has an EPSS score of 0.42% (34th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-9074?

Upgrade linux on debian 11 to 4.9.30-1 or later. Fixes are available for 30 affected products.

CVE & CISA-KEV Catalog

CVE-2017-9074

HIGH

7.8

CVSS v3

NVD

Description

The IPv6 fragmentation implementation in the Linux kernel through 4.11.1 does not consider that the nexthdr field may be associated with an invalid option, which allows local users to cause a denial of service (out-of-bounds read and BUG) or possibly have unspecified other impact via crafted socket and send system calls.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

linuxDebian

Fixed in:4.9.30-1CVE-2017-9074

linuxUbuntu

Fixed in:3.13.0-123.172USN-3343-1

Fixed in:4.4.0-83.106USN-3344-1

linux-awsUbuntu

Fixed in:4.4.0-1022.31USN-3344-1

linux-gkeUbuntu

Fixed in:4.4.0-1018.18USN-3344-1

linux-hweUbuntu

Fixed in:4.8.0-58.63~16.04.1USN-3342-2

linux-image-3.13.0-123-genericUbuntu

Fixed in:3.13.0-123.172USN-3343-1

linux-image-3.13.0-123-generic-lpaeUbuntu

Fixed in:3.13.0-123.172USN-3343-1

linux-image-3.13.0-123-lowlatencyUbuntu

Fixed in:3.13.0-123.172USN-3343-1

linux-image-3.13.0-123-powerpc-e500Ubuntu

Fixed in:3.13.0-123.172USN-3343-1

linux-image-3.13.0-123-powerpc-e500mcUbuntu

Fixed in:3.13.0-123.172USN-3343-1

linux-image-3.13.0-123-powerpc-smpUbuntu

Fixed in:3.13.0-123.172USN-3343-1

linux-image-3.13.0-123-powerpc64-embUbuntu

Fixed in:3.13.0-123.172USN-3343-1

linux-image-3.13.0-123-powerpc64-smpUbuntu

Fixed in:3.13.0-123.172USN-3343-1

linux-image-4.4.0-1018-gkeUbuntu

Fixed in:4.4.0-1018.18USN-3344-1

linux-image-4.4.0-1022-awsUbuntu

Fixed in:4.4.0-1022.31USN-3344-1

linux-image-4.4.0-1061-raspi2Ubuntu

Fixed in:4.4.0-1061.69USN-3344-1

linux-image-4.4.0-1063-snapdragonUbuntu

Fixed in:4.4.0-1063.68USN-3344-1

linux-image-4.4.0-83-genericUbuntu

Fixed in:4.4.0-83.106~14.04.1USN-3344-2

Fixed in:4.4.0-83.106USN-3344-1

linux-image-4.4.0-83-generic-lpaeUbuntu

Fixed in:4.4.0-83.106~14.04.1USN-3344-2

Fixed in:4.4.0-83.106USN-3344-1

linux-image-4.4.0-83-lowlatencyUbuntu

Fixed in:4.4.0-83.106~14.04.1USN-3344-2

Fixed in:4.4.0-83.106USN-3344-1

linux-image-4.4.0-83-powerpc-e500mcUbuntu

Fixed in:4.4.0-83.106~14.04.1USN-3344-2

Fixed in:4.4.0-83.106USN-3344-1

linux-image-4.4.0-83-powerpc-smpUbuntu

Fixed in:4.4.0-83.106~14.04.1USN-3344-2

Fixed in:4.4.0-83.106USN-3344-1

linux-image-4.4.0-83-powerpc64-embUbuntu

Fixed in:4.4.0-83.106~14.04.1USN-3344-2

Fixed in:4.4.0-83.106USN-3344-1

linux-image-4.4.0-83-powerpc64-smpUbuntu

Fixed in:4.4.0-83.106~14.04.1USN-3344-2

Fixed in:4.4.0-83.106USN-3344-1

linux-image-4.8.0-58-genericUbuntu

Fixed in:4.8.0-58.63~16.04.1USN-3342-2

linux-image-4.8.0-58-generic-lpaeUbuntu

Fixed in:4.8.0-58.63~16.04.1USN-3342-2

linux-image-4.8.0-58-lowlatencyUbuntu

Fixed in:4.8.0-58.63~16.04.1USN-3342-2

linux-lts-xenialUbuntu

Fixed in:4.4.0-83.106~14.04.1USN-3344-2

linux-raspi2Ubuntu

Fixed in:4.4.0-1061.69USN-3344-1

linux-snapdragonUbuntu

Fixed in:4.4.0-1063.68USN-3344-1

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 ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.42%probability of exploitation in 30 days

34thpercentile

Low risk: more likely to be exploited than 34% of all known CVEs.

References

Patch3

Third-Party Advisory7

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	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.