CVE-2010-4158

Low

The sk_run_filter function in net/core/filter.c in the Linux kernel before 2.6.36.2 does not check whether a certain memory location has been initialized before executing a (1) BPF_S_LD_MEM or (2) BPF_S_LDX_MEM instruction, which allows local users to obtain potentially sensitive information from kernel stack memory via a crafted socket filter.

Package Linux Kernel
Published 2010-12-30
Last modified 2026-04-29
CVSS version 2.0
Patch available
Awaiting data

CVSS 2.0 score

2.1

out of 10
Low
Attack Vector
Local
Attack Complexity
Low
Privileges Required
User Interaction
Scope
Confidentiality
Low
Integrity
None
Availability
None
Vector string
AV:L/AC:L/Au:N/C:P/I:N/A:N

Weakness type

CWE-200

CVE-2010-4158 is a Information Exposure vulnerability

What is Information Exposure?

The product exposes sensitive information to an actor not authorised to see it. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2010-4158 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-2010-4158?

    CVE-2010-4158 is a Low severity Linux kernel vulnerability with a CVSS score of 2.1 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2010-4158 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2010-4158?

    CVE-2010-4158 has a CVSS score of 2.1 out of 10, rated Low severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:P/I:N/A:N .

  • Is there a patch available for CVE-2010-4158?

    No patch is currently available for CVE-2010-4158. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2010-4158 actively exploited?

    No — CVE-2010-4158 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

  • What is Information Exposure (CWE-200)?

    The product exposes sensitive information to an actor not authorised to see it. View CWE-200 on MITRE CWE →