What is CVE-2017-18249?

CVE-2017-18249 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10, classified as a Race Condition flaw (CWE-362). CVE-2017-18249 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

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

CVE-2017-18249 has a CVSS score of 7.0 out of 10, rated High severity. The vector string is CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2017-18249?

No patch is currently available for CVE-2017-18249. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2017-18249 actively exploited?

CVE-2017-18249 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/362.html

CVE-2017-18249

High

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.

Package Linux Kernel

Published 2018-03-26

Last modified 2024-11-21

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

7.0

out of 10

High

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-362

CVE-2017-18249 is a Race Condition vulnerability

What is Race Condition?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2017-18249 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Securitytracker
http://www.securitytracker.com/id/1041432

Third Party Advisory VDB Entry
Debian Security
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html

Mailing List Third Party Advisory
Ubuntu Security
https://usn.ubuntu.com/3932-1/
Ubuntu Security
https://usn.ubuntu.com/3932-2/
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=30a61ddf8117c26ac5b295e1233eaa9629a94ca3
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/30a61ddf8117c26ac5b295e1233eaa9629a94ca3
Patch

Details

CVE ID CVE-2017-18249

Severity High

CVSS score 7.0 / 10

CVSS version 3.0

Published 2018-03-26

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2017-18249?

CVE-2017-18249 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10 , classified as a Race Condition flaw (CWE-362) . CVE-2017-18249 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2017-18249?

CVE-2017-18249 has a CVSS score of 7.0 out of 10, rated High severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2017-18249?

No patch is currently available for CVE-2017-18249. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2017-18249 actively exploited?

No — CVE-2017-18249 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. View CWE-362 on MITRE CWE →