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CVE-2011-4127

Date: July 3, 2012

The Linux kernel before 3.2.2 does not properly restrict SG_IO ioctl calls, which allows local users to bypass intended restrictions on disk read and write operations by sending a SCSI command to (1) a partition block device or (2) an LVM volume.

Language: C

Severity Score

Related Resources (14)

http://www.openwall.com/lists/oss-security/2011/12/22/5
https://github.com/torvalds/linux/commit/ec8013beddd717d1740cfefb1a9b900deef85462
https://access.redhat.com/security/cve/CVE-2011-4127
https://nvd.nist.gov/vuln/detail/CVE-2011-4127
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0bfc96cb77224736dfa35c3c555d37b3646ef35e
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ec8013beddd717d1740cfefb1a9b900deef85462
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-4127
https://github.com/torvalds/linux/commit/0bfc96cb77224736dfa35c3c555d37b3646ef35e
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
https://bugzilla.redhat.com/show_bug.cgi?id=752375
http://secunia.com/advisories/48898
https://www.mend.io/vulnerability-database/CVE-2011-4127

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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