What is CVE-2011-1493?

CVE-2011-1493 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10. CVE-2011-1493 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2011-1493?

CVE-2011-1493 has a CVSS score of 7.5 out of 10, rated High severity. The vector string is AV:N/AC:L/Au:N/C:P/I:P/A:P.

Is there a patch available for CVE-2011-1493?

No patch is currently available for CVE-2011-1493. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2011-1493 actively exploited?

CVE-2011-1493 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2011-1493

High

Array index error in the rose_parse_national function in net/rose/rose_subr.c in the Linux kernel before 2.6.39 allows remote attackers to cause a denial of service (heap memory corruption) or possibly have unspecified other impact by composing FAC_NATIONAL_DIGIS data that specifies a large number of digipeaters, and then sending this data to a ROSE socket.

Package Linux Kernel

Published 2012-06-21

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

7.5

out of 10

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

Availability

Vector string

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

References

The following references provide additional information about CVE-2011-1493 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
Lists
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
Openwall
http://www.openwall.com/lists/oss-security/2011/04/05/19
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=770777
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=be20250c13f88375345ad99950190685eda51eb8
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/be20250c13f88375345ad99950190685eda51eb8
Patch

Details

CVE ID CVE-2011-1493

Severity High

CVSS score 7.5 / 10

CVSS version 2.0

Published 2012-06-21

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2011-1493?

CVE-2011-1493 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 . CVE-2011-1493 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2011-1493?

CVE-2011-1493 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 2.0). The vector string is AV:N/AC:L/Au:N/C:P/I:P/A:P.
Is there a patch available for CVE-2011-1493?

No patch is currently available for CVE-2011-1493. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2011-1493 actively exploited?

No — CVE-2011-1493 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.