CVE-2011-5327
CRITICALCVSS 9.8/10EPSS 3.68%
Last modified
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/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.39, < 3.1 |
References
- 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://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
Timeline
- Published
- Last Modified
- 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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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