What is CVE-2008-3911?

CVE-2008-3911 is a High severity Linux kernel vulnerability with a CVSS score of 7.2 out of 10, classified as a Buffer Overflow flaw (CWE-119). CVE-2008-3911 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2008-3911?

CVE-2008-3911 has a CVSS score of 7.2 out of 10, rated High severity. The vector string is AV:L/AC:L/Au:N/C:C/I:C/A:C.

Is there a patch available for CVE-2008-3911?

No patch is currently available for CVE-2008-3911. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2008-3911 actively exploited?

CVE-2008-3911 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/119.html

CVE-2008-3911

High

The proc_do_xprt function in net/sunrpc/sysctl.c in the Linux kernel 2.6.26.3 does not check the length of a certain buffer obtained from userspace, which allows local users to overflow a stack-based buffer and have unspecified other impact via a crafted read system call for the /proc/sys/sunrpc/transports file.

Package Linux Kernel

Published 2008-09-04

Last modified 2026-04-23

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

7.2

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

Availability

Vector string

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

Weakness type

CWE-119

CVE-2008-3911 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2008-3911 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00010.html
Lkml
http://lkml.org/lkml/2008/8/30/140

Exploit
Lkml
http://lkml.org/lkml/2008/8/30/184
Openwall
http://www.openwall.com/lists/oss-security/2008/09/04/2
Securityfocus
http://www.securityfocus.com/bid/31937
Exchange
https://exchange.xforce.ibmcloud.com/vulnerabilities/45136
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=27df6f25ff218072e0e879a96beeb398a79cdbc8
Patch

Details

CVE ID CVE-2008-3911

Severity High

CVSS score 7.2 / 10

CVSS version 2.0

Published 2008-09-04

Modified 2026-04-23

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2008-3911?

CVE-2008-3911 is a High severity Linux kernel vulnerability with a CVSS score of 7.2 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2008-3911 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2008-3911?

CVE-2008-3911 has a CVSS score of 7.2 out of 10, rated High severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:C/I:C/A:C.
Is there a patch available for CVE-2008-3911?

No patch is currently available for CVE-2008-3911. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2008-3911 actively exploited?

No — CVE-2008-3911 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. View CWE-119 on MITRE CWE →