What is CVE-2011-1573?

CVE-2011-1573 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.9 out of 10, classified as a Incorrect Calculation flaw (CWE-682). CVE-2011-1573 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2011-1573?

CVE-2011-1573 has a CVSS score of 5.9 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2011-1573?

No patch is currently available for CVE-2011-1573. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2011-1573 actively exploited?

CVE-2011-1573 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Incorrect Calculation (CWE-682)?

The product performs a calculation that generates incorrect or unintended results. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/682.html

CVE-2011-1573

Medium

net/sctp/sm_make_chunk.c in the Linux kernel before 2.6.34, when addip_enable and auth_enable are used, does not consider the amount of zero padding during calculation of chunk lengths for (1) INIT and (2) INIT ACK chunks, which allows remote attackers to cause a denial of service (OOPS) via crafted packet data.

Package Linux Kernel

Published 2012-02-02

Last modified 2026-04-29

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.9

out of 10

Medium

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-682

CVE-2011-1573 is a Incorrect Calculation vulnerability

What is Incorrect Calculation?

The product performs a calculation that generates incorrect or unintended results. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2011-1573 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Mirror
http://mirror.anl.gov/pub/linux/kernel/v2.6/ChangeLog-2.6.34

Broken Link
Red Hat
http://rhn.redhat.com/errata/RHSA-2011-0927.html

Third Party Advisory
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a8170c35e738d62e9919ce5b109cf4ed66e95bde
Patch
Kernel patch commit
http://openwall.com/lists/oss-security/2011/04/11/12
Patch
Kernel patch commit
http://openwall.com/lists/oss-security/2011/04/11/4
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2011-1573

Severity Medium

CVSS score 5.9 / 10

CVSS version 3.1

Published 2012-02-02

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2011-1573?

CVE-2011-1573 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.9 out of 10 , classified as an Incorrect Calculation flaw (CWE-682) . CVE-2011-1573 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2011-1573?

CVE-2011-1573 has a CVSS score of 5.9 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2011-1573?

No patch is currently available for CVE-2011-1573. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2011-1573 actively exploited?

No — CVE-2011-1573 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Incorrect Calculation (CWE-682)?

The product performs a calculation that generates incorrect or unintended results. View CWE-682 on MITRE CWE →