CVE-2009-0787

Medium

The ecryptfs_write_metadata_to_contents function in the eCryptfs functionality in the Linux kernel 2.6.28 before 2.6.28.9 uses an incorrect size when writing kernel memory to an eCryptfs file header, which triggers an out-of-bounds read and allows local users to obtain portions of kernel memory.

Package Linux Kernel
Published 2009-03-25
Last modified 2026-04-23
CVSS version 2.0
Patch available
Awaiting data

CVSS 2.0 score

4.9

out of 10
Medium
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:C/I:N/A:N

Weakness type

CWE-189

CVE-2009-0787 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-2009-0787 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-2009-0787?

    CVE-2009-0787 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10 . CVE-2009-0787 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2009-0787?

    CVE-2009-0787 has a CVSS score of 4.9 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:C/I:N/A:N .

  • Is there a patch available for CVE-2009-0787?

    No patch is currently available for CVE-2009-0787. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2009-0787 actively exploited?

    No — CVE-2009-0787 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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