CVE-2011-4127

CVE-2011-4127 is a medium-severity vulnerability in Suse Linux Enterprise Server with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2011-4127?
CVE-2011-4127 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2011-4127 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4127?
CVE-2011-4127 primarily affects Suse Linux Enterprise Server. In total, 59 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4127?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4127 published?
CVE-2011-4127 was published on 2012-07-03 and last updated on 2026-06-16.

References

Affected products (59)

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