Vulnerability in Linux Kernel
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.6 (Medium). Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.006 (45.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Linux Kernel — versions 3.0, 3.0.1, 3.0.2
- SUSE Linux Enterprise Server — versions 10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2011/12/22/5 (mailing-list)
- lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html (vendor-advisory)
- secunia.com/advisories/48898 (third-party-advisory)
- git.kernel.org/
- git.kernel.org/
- bugzilla.redhat.com/show_bug.cgi
- github.com/torvalds/linux/commit/0bfc96cb77224736dfa35c3c555d37b3646ef35e (Exploit, Patch)
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
- github.com/torvalds/linux/commit/ec8013beddd717d1740cfefb1a9b900deef85462 (Exploit, Patch)
- lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html (vendor-advisory)
Frequently asked questions
- What is CVE-2011-4127?
- CVE-2011-4127 is a vulnerability in Linux Kernel, classified under CWE-264. Published 2012-07-03.
- Is CVE-2011-4127 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.