Vulnerability Details : CVE-2011-4127
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.
Threat overview for CVE-2011-4127
Top countries where our scanners detected CVE-2011-4127
Top open port discovered on systems with this issue
49152
IPs affected by CVE-2011-4127 138,678
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2011-4127
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-4127
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST |
CWE ids for CVE-2011-4127
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-4127
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https://bugzilla.redhat.com/show_bug.cgi?id=752375
752375 – (CVE-2011-4127) CVE-2011-4127 kernel: possible privilege escalation via SG_IO ioctl
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http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
[security-announce] SUSE-SU-2012:0554-1: important: Security update for
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https://github.com/torvalds/linux/commit/0bfc96cb77224736dfa35c3c555d37b3646ef35e
block: fail SCSI passthrough ioctls on partition devices · torvalds/linux@0bfc96c · GitHubExploit;Patch
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0bfc96cb77224736dfa35c3c555d37b3646ef35e
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
-
http://www.openwall.com/lists/oss-security/2011/12/22/5
oss-security - CVE-2011-4127 kernel: possible privilege escalation via SG_IO ioctl
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http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
[security-announce] SUSE-SU-2015:0812-1: important: Security update for
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https://github.com/torvalds/linux/commit/ec8013beddd717d1740cfefb1a9b900deef85462
dm: do not forward ioctls from logical volumes to the underlying device · torvalds/linux@ec8013b · GitHubExploit;Patch
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ec8013beddd717d1740cfefb1a9b900deef85462
Products affected by CVE-2011-4127
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.27:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.4:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.6:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.23:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.20:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.33:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.17:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.21:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.18:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.13:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.10:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.32:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.28:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.8:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.19:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.16:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.11:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.0.34:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.1:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.1:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.1.9:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.1.8:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.1.6:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.1:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.1:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:*:*:*:*