CVE-2011-5327

Name: CVE-2011-5327
Creator: NVD / NIST
Published: 2019-07-27T22:15:11.23+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.68%

Last modified Jun 16, 2026

CVE-2011-5327 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In the Linux kernel before 3.1, an off by one in the drivers/target/loopback/tcm_loop.c tcm_loop_make_naa_tpg() function could result in at least memory corruption.. EPSS estimates a 3.68% chance of exploitation in the next 30 days.

Description

In the Linux kernel before 3.1, an off by one in the drivers/target/loopback/tcm_loop.c tcm_loop_make_naa_tpg() function could result in at least memory corruption.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

3.68%

88.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	>= 2.6.39, < 3.1

References

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=12f09ccb4612734a53e47ed5302e0479c10a50f8Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/12f09ccb4612734a53e47ed5302e0479c10a50f8Patch, Third Party Advisory
https://mirrors.edge.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1Release Notes, Vendor Advisory
https://support.f5.com/csp/article/K42315210Third Party Advisory
https://support.f5.com/csp/article/K42315210?utm_source=f5support&amp%3Butm_medium=RSS
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=12f09ccb4612734a53e47ed5302e0479c10a50f8Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/12f09ccb4612734a53e47ed5302e0479c10a50f8Patch, Third Party Advisory
https://mirrors.edge.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1Release Notes, Vendor Advisory
https://support.f5.com/csp/article/K42315210Third Party Advisory
https://support.f5.com/csp/article/K42315210?utm_source=f5support&amp%3Butm_medium=RSS

Timeline

Published: Jul 27, 2019
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-5327?

In the Linux kernel before 3.1, an off by one in the drivers/target/loopback/tcm_loop.c tcm_loop_make_naa_tpg() function could result in at least memory corruption.

How severe is CVE-2011-5327?

CVE-2011-5327 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.68% probability of exploitation in the next 30 days.

How do I fix CVE-2011-5327?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-5327?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST