Is CVE-2017-18249 in the CISA KEV catalog?

No. CVE-2017-18249 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-18249?

CVE-2017-18249 has a CVSS v3 base score of 7.0 (HIGH).

What is the EPSS score for CVE-2017-18249?

CVE-2017-18249 has an EPSS score of 0.32% (24th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-18249?

Upgrade linux on debian 11 to 4.12.6-1 or later. Fixes are available for 46 affected products.

CVE & CISA-KEV Catalog

CVE-2017-18249

HIGH

7.0

CVSS v3

NVD

Description

The add_free_nid function in fs/f2fs/node.c in the Linux kernel before 4.12 does not properly track an allocated nid, which allows local users to cause a denial of service (race condition) or possibly have unspecified other impact via concurrent threads.

CWE-362Race Condition

How to fix

Remediation Available

linuxDebian

Fixed in:4.12.6-1CVE-2017-18249

linuxUbuntu

Fixed in:4.4.0-145.171USN-3932-1

linux-awsUbuntu

Fixed in:4.4.0-1040.43USN-3932-2

Fixed in:4.4.0-1079.89USN-3932-1

linux-image-4.4.0-1040-awsUbuntu

Fixed in:4.4.0-1040.43USN-3932-2

linux-image-4.4.0-1043-kvmUbuntu

Fixed in:4.4.0-1043.49USN-3932-1

linux-image-4.4.0-1079-awsUbuntu

Fixed in:4.4.0-1079.89USN-3932-1

linux-image-4.4.0-1106-raspi2Ubuntu

Fixed in:4.4.0-1106.114USN-3932-1

linux-image-4.4.0-1110-snapdragonUbuntu

Fixed in:4.4.0-1110.115USN-3932-1

linux-image-4.4.0-144-genericUbuntu

Fixed in:4.4.0-144.170~14.04.1USN-3932-2

linux-image-4.4.0-144-generic-lpaeUbuntu

Fixed in:4.4.0-144.170~14.04.1USN-3932-2

linux-image-4.4.0-144-lowlatencyUbuntu

Fixed in:4.4.0-144.170~14.04.1USN-3932-2

linux-image-4.4.0-144-powerpc-e500mcUbuntu

Fixed in:4.4.0-144.170~14.04.1USN-3932-2

linux-image-4.4.0-144-powerpc-smpUbuntu

Fixed in:4.4.0-144.170~14.04.1USN-3932-2

linux-image-4.4.0-144-powerpc64-embUbuntu

Fixed in:4.4.0-144.170~14.04.1USN-3932-2

linux-image-4.4.0-144-powerpc64-smpUbuntu

Fixed in:4.4.0-144.170~14.04.1USN-3932-2

linux-image-4.4.0-145-genericUbuntu

Fixed in:4.4.0-145.171USN-3932-1

linux-image-4.4.0-145-generic-lpaeUbuntu

Fixed in:4.4.0-145.171USN-3932-1

linux-image-4.4.0-145-lowlatencyUbuntu

Fixed in:4.4.0-145.171USN-3932-1

linux-image-4.4.0-145-powerpc-e500mcUbuntu

Fixed in:4.4.0-145.171USN-3932-1

linux-image-4.4.0-145-powerpc-smpUbuntu

Fixed in:4.4.0-145.171USN-3932-1

linux-image-4.4.0-145-powerpc64-embUbuntu

Fixed in:4.4.0-145.171USN-3932-1

linux-image-4.4.0-145-powerpc64-smpUbuntu

Fixed in:4.4.0-145.171USN-3932-1

linux-image-awsUbuntu

Fixed in:4.4.0.1040.41USN-3932-2

Fixed in:4.4.0.1079.82USN-3932-1

linux-image-genericUbuntu

Fixed in:4.4.0.145.153USN-3932-1

linux-image-generic-lpaeUbuntu

Fixed in:4.4.0.145.153USN-3932-1

linux-image-generic-lpae-lts-xenialUbuntu

Fixed in:4.4.0.144.127USN-3932-2

linux-image-generic-lts-xenialUbuntu

Fixed in:4.4.0.144.127USN-3932-2

linux-image-kvmUbuntu

Fixed in:4.4.0.1043.43USN-3932-1

linux-image-lowlatencyUbuntu

Fixed in:4.4.0.145.153USN-3932-1

linux-image-lowlatency-lts-xenialUbuntu

Fixed in:4.4.0.144.127USN-3932-2

linux-image-powerpc-e500mcUbuntu

Fixed in:4.4.0.145.153USN-3932-1

linux-image-powerpc-e500mc-lts-xenialUbuntu

Fixed in:4.4.0.144.127USN-3932-2

linux-image-powerpc-smpUbuntu

Fixed in:4.4.0.145.153USN-3932-1

linux-image-powerpc-smp-lts-xenialUbuntu

Fixed in:4.4.0.144.127USN-3932-2

linux-image-powerpc64-embUbuntu

Fixed in:4.4.0.145.153USN-3932-1

linux-image-powerpc64-emb-lts-xenialUbuntu

Fixed in:4.4.0.144.127USN-3932-2

linux-image-powerpc64-smpUbuntu

Fixed in:4.4.0.145.153USN-3932-1

linux-image-powerpc64-smp-lts-xenialUbuntu

Fixed in:4.4.0.144.127USN-3932-2

linux-image-raspi2Ubuntu

Fixed in:4.4.0.1106.106USN-3932-1

linux-image-snapdragonUbuntu

Fixed in:4.4.0.1110.102USN-3932-1

linux-image-virtualUbuntu

Fixed in:4.4.0.145.153USN-3932-1

linux-image-virtual-lts-xenialUbuntu

Fixed in:4.4.0.144.127USN-3932-2

linux-kvmUbuntu

Fixed in:4.4.0-1043.49USN-3932-1

linux-lts-xenialUbuntu

Fixed in:4.4.0-144.170~14.04.1USN-3932-2

linux-raspi2Ubuntu

Fixed in:4.4.0-1106.114USN-3932-1

linux-snapdragonUbuntu

Fixed in:4.4.0-1110.115USN-3932-1

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

Exploit Intelligence

0.32%probability of exploitation in 30 days

24thpercentile

Low risk: more likely to be exploited than 24% of all known CVEs.

References

Patch2

Third-Party Advisory2

Other references2

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.