What is CVE-2011-2898?

CVE-2011-2898 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Information Exposure flaw (CWE-200). CVE-2011-2898 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2011-2898?

CVE-2011-2898 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Is there a patch available for CVE-2011-2898?

No patch is currently available for CVE-2011-2898. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2011-2898 actively exploited?

CVE-2011-2898 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/200.html

CVE-2011-2898

Medium

net/packet/af_packet.c in the Linux kernel before 2.6.39.3 does not properly restrict user-space access to certain packet data structures associated with VLAN Tag Control Information, which allows local users to obtain potentially sensitive information via a crafted application.

Package Linux Kernel

Published 2012-05-24

Last modified 2026-04-29

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Vector string

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness type

CWE-200

CVE-2011-2898 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-2011-2898 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Ftp
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.3

Broken Link
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=13fcb7bd322164c67926ffe272846d4860196dc6
Patch
Kernel patch commit
http://www.openwall.com/lists/oss-security/2011/08/03/7
Patch
Kernel patch commit
https://bugzilla.redhat.com/show_bug.cgi?id=728023
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2011-2898

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2012-05-24

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2011-2898?

CVE-2011-2898 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2011-2898 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2011-2898?

CVE-2011-2898 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Is there a patch available for CVE-2011-2898?

No patch is currently available for CVE-2011-2898. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2011-2898 actively exploited?

No — CVE-2011-2898 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 →