CVE-2017-17450

High

net/netfilter/xt_osf.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations, which allows local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all net namespaces.

Package Linux Kernel
Published 2017-12-07
Last modified 2026-05-13
CVSS version 3.0
Patch available
Awaiting data

CVSS 3.0 score

7.8

out of 10
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-862

CVE-2017-17450 is classified as CWE-862

See CWE-862 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2017-17450 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2017-17450?

    CVE-2017-17450 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . CVE-2017-17450 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2017-17450?

    CVE-2017-17450 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2017-17450?

    No patch is currently available for CVE-2017-17450. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2017-17450 actively exploited?

    No — CVE-2017-17450 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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