Is CVE-2017-15126 in the CISA KEV catalog?

No. CVE-2017-15126 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-15126?

CVE-2017-15126 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2017-15126?

CVE-2017-15126 has an EPSS score of 4.08% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-15126?

Upgrade linux on debian 11 to 4.13.10-1 or later.

CVE & CISA-KEV Catalog

CVE-2017-15126

HIGHEPSS 89th pctl

8.1

CVSS v3

NVD

Description

A use-after-free flaw was found in fs/userfaultfd.c in the Linux kernel before 4.13.6. The issue is related to the handling of fork failure when dealing with event messages. Failure to fork correctly can lead to a situation where a fork event will be removed from an already freed list of events with userfaultfd_ctx_put().

CWE-119Buffer Overflow CWE-416Use After Free

How to fix

Remediation Available

linuxDebian

Fixed in:4.13.10-1CVE-2017-15126

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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

4.08%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Vendor Advisory2

Third-Party Advisory6

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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.