What is CVE-2009-2908?

CVE-2009-2908 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10. CVE-2009-2908 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2009-2908?

CVE-2009-2908 has a CVSS score of 4.9 out of 10, rated Medium severity. The vector string is AV:L/AC:L/Au:N/C:N/I:N/A:C.

Is there a patch available for CVE-2009-2908?

No patch is currently available for CVE-2009-2908. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2009-2908 actively exploited?

CVE-2009-2908 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2009-2908

Medium

The d_delete function in fs/ecryptfs/inode.c in eCryptfs in the Linux kernel 2.6.31 allows local users to cause a denial of service (kernel OOPS) and possibly execute arbitrary code via unspecified vectors that cause a "negative dentry" and trigger a NULL pointer dereference, as demonstrated via a Mutt temporary directory in an eCryptfs mount.

Package Linux Kernel

Published 2009-10-13

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

Vector string

AV:L/AC:L/Au:N/C:N/I:N/A:C

References

The following references provide additional information about CVE-2009-2908 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.vmware.com/pipermail/security-announce/2010/000082.html
Secunia
http://secunia.com/advisories/37075
Secunia
http://secunia.com/advisories/37105
Secunia
http://secunia.com/advisories/38794
Secunia
http://secunia.com/advisories/38834
Openwall
http://www.openwall.com/lists/oss-security/2009/10/06/1
Ubuntu Security
http://www.ubuntu.com/usn/USN-852-1
Vupen
http://www.vupen.com/english/advisories/2010/0528
Bugs
https://bugs.launchpad.net/ecryptfs/+bug/387073
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=527534
Exchange
https://exchange.xforce.ibmcloud.com/vulnerabilities/53693
Oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10216
Oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6992
Red Hat
https://rhn.redhat.com/errata/RHSA-2009-1548.html
Red Hat
https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00483.html
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.31.y.git%3Ba=commit%3Bh=afc2b6932f48f200736d3e36ad66fee0ec733136
Patch
Kernel patch commit
http://www.securityfocus.com/bid/36639
Patch

Details

CVE ID CVE-2009-2908

Severity Medium

CVSS score 4.9 / 10

CVSS version 2.0

Published 2009-10-13

Modified 2026-04-23

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2009-2908?

CVE-2009-2908 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10 . CVE-2009-2908 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2009-2908?

CVE-2009-2908 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:N/I:N/A:C.
Is there a patch available for CVE-2009-2908?

No patch is currently available for CVE-2009-2908. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2009-2908 actively exploited?

No — CVE-2009-2908 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.