CVE-2013-4345

Medium

Off-by-one error in the get_prng_bytes function in crypto/ansi_cprng.c in the Linux kernel through 3.11.4 makes it easier for context-dependent attackers to defeat cryptographic protection mechanisms via multiple requests for small amounts of data, leading to improper management of the state of the consumed data.

Package Linux Kernel
Published 2013-10-10
Last modified 2026-04-29
CVSS version 2.0
Patch available
Awaiting data

CVSS 2.0 score

5.8

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

Weakness type

CWE-189

CVE-2013-4345 is classified as CWE-189

See CWE-189 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2013-4345 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-2013-4345?

    CVE-2013-4345 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.8 out of 10 . CVE-2013-4345 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2013-4345?

    CVE-2013-4345 has a CVSS score of 5.8 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:N/AC:M/Au:N/C:P/I:P/A:N .

  • Is there a patch available for CVE-2013-4345?

    No patch is currently available for CVE-2013-4345. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2013-4345 actively exploited?

    No — CVE-2013-4345 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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