CVE-2017-18075

High

crypto/pcrypt.c in the Linux kernel before 4.14.13 mishandles freeing instances, allowing a local user able to access the AF_ALG-based AEAD interface (CONFIG_CRYPTO_USER_API_AEAD) and pcrypt (CONFIG_CRYPTO_PCRYPT) to cause a denial of service (kfree of an incorrect pointer) or possibly have unspecified other impact by executing a crafted sequence of system calls.

Package Linux Kernel
Published 2018-01-24
Last modified 2024-11-21
CVSS version 3.1
Patch available
Awaiting data

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

Weakness type

CWE-763

CVE-2017-18075 is a Release of Invalid Pointer or Reference vulnerability

What is Release of Invalid Pointer or Reference?

The product attempts to return a memory resource to the system but calls the wrong release function. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2017-18075 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-2017-18075?

    CVE-2017-18075 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as a Release of Invalid Pointer or Reference flaw (CWE-763) . CVE-2017-18075 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2017-18075?

    CVE-2017-18075 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2017-18075?

    No patch is currently available for CVE-2017-18075. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2017-18075 actively exploited?

    No — CVE-2017-18075 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

  • What is Release of Invalid Pointer or Reference (CWE-763)?

    The product attempts to return a memory resource to the system but calls the wrong release function. View CWE-763 on MITRE CWE →