PT-2019-6717 · Linux · Linux Kernel

Published 2019-07-27 · Updated 2022-11-03 · CVE-2011-5327

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 3.1

Description The issue is related to an off-by-one error in the tcm loop make naa tpg() function, located in the drivers/target/loopback/tcm loop.c file. This error could result in at least memory corruption.

Recommendations For Linux kernel versions prior to 3.1, update to version 3.1 or later to resolve the issue. As a temporary workaround, consider restricting access to the tcm loop make naa tpg() function until a patch is available.

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2011-5327

Affected Products

Linux Kernel

References · 12

• https://github.com/torvalds/linux/commit/12f09ccb4612734a53e47ed5302e0479c10a50f8 · Patch
• https://cve.org/CVERecord?id=CVE-2011-5327 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2011-5327 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2019-4812.html · Vendor Advisory
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=12f09ccb4612734a53e47ed5302e0479c10a50f8 · Vendor Advisory
• https://mirrors.edge.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2011-5327 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2011-5327 · Security Note
• https://git.kernel.org/linus/12f09ccb4612734a53e47ed5302e0479c10a50f8 · Note
• https://support.f5.com/csp/article/K42315210?utm_source=f5support&amp%3Butm_medium=RSS · Note
• https://t.me/cibsecurity/5755 · Telegram Post
• https://support.f5.com/csp/article/K42315210 · Note