What’s Vulnerable › Vulnerabilities

CVE-2011-5327

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-07-27 · updated 2026-06-16
• Weakness: CWE-119

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.

Affected products

• Linux kernel: from 2.6.39 before 3.1 — fixed in 3.1

How to fix

Upgrade to a fixed version: Linux kernel 3.1. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=12f09ccb4612734a53e47ed5302e0479c10a50f8
• https://github.com/torvalds/linux/commit/12f09ccb4612734a53e47ed5302e0479c10a50f8
• https://mirrors.edge.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
• https://support.f5.com/csp/article/K42315210
• 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=12f09ccb4612734a53e47ed5302e0479c10a50f8
• https://github.com/torvalds/linux/commit/12f09ccb4612734a53e47ed5302e0479c10a50f8
• https://mirrors.edge.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
• https://support.f5.com/csp/article/K42315210
• https://support.f5.com/csp/article/K42315210?utm_source=f5support&amp%3Butm_medium=RSS

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