What is CVE-2013-7263?

CVE-2013-7263 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10, classified as a Improper Input Validation flaw (CWE-20). CVE-2013-7263 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2013-7263?

CVE-2013-7263 has a CVSS score of 4.9 out of 10, rated Medium severity. The vector string is AV:L/AC:L/Au:N/C:C/I:N/A:N.

Is there a patch available for CVE-2013-7263?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2013-7263 patch availability.

Is CVE-2013-7263 actively exploited?

CVE-2013-7263 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2013-7263

Medium

The Linux kernel before 3.12.4 updates certain length values before ensuring that associated data structures have been initialized, which allows local users to obtain sensitive information from kernel stack memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call, related to net/ipv4/ping.c, net/ipv4/raw.c, net/ipv4/udp.c, net/ipv6/raw.c, and net/ipv6/udp.c.

Package Linux Kernel

Published 2014-01-06

Last modified 2026-04-29

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

None

Vector string

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

Weakness type

CWE-20

CVE-2013-7263 is a Improper Input Validation vulnerability

What is Improper Input Validation?

The product receives input but does not validate it correctly, allowing attackers to craft inputs that cause unexpected behavior. Learn more on MITRE CWE

References

26 total

Showing 5 of 26 references View all on NVD

Details

CVE ID CVE-2013-7263

Severity Medium

CVSS score 4.9 / 10

CVSS version 2.0

Published 2014-01-06

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2013-7263?

CVE-2013-7263 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10 , classified as an Improper Input Validation flaw (CWE-20) . CVE-2013-7263 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2013-7263?

CVE-2013-7263 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:C/I:N/A:N.
Is there a patch available for CVE-2013-7263?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2013-7263 patch availability.
Is CVE-2013-7263 actively exploited?

No. CVE-2013-7263 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.