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.
CVE-2011-4127
- No confirmed exploitation signals yet
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 42.9%
- KEV
- Not listed
Published
July 3, 2012
Last Modified
April 29, 2026
References (20)
- secalert@redhathttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0bfc96cb77224736dfa35c3c555d37b3646ef35e
- secalert@redhathttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ec8013beddd717d1740cfefb1a9b900deef85462
- secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
- secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
- secalert@redhathttp://secunia.com/advisories/48898
- secalert@redhathttp://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
- secalert@redhathttp://www.openwall.com/lists/oss-security/2011/12/22/5
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=752375
- secalert@redhathttps://github.com/torvalds/linux/commit/0bfc96cb77224736dfa35c3c555d37b3646ef35e
- secalert@redhathttps://github.com/torvalds/linux/commit/ec8013beddd717d1740cfefb1a9b900deef85462
- af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0bfc96cb77224736dfa35c3c555d37b3646ef35e
- af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ec8013beddd717d1740cfefb1a9b900deef85462
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/48898
Vendor Advisories for CVE-2011-4127(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(9)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-image-3.0.0-16-generic (3.0.0-16.29) @ oneiric | 2026-05-29 | ubuntu |
| ubuntu | linux-image-2.6.32-343-ec2 (2.6.32-343.45) @ lucid | 2026-05-29 | ubuntu |
| ubuntu | linux-image-3.0.0-16-generic-pae (3.0.0-16.29~lucid1) @ lucid | 2026-05-29 | ubuntu |
| ubuntu | linux-image-2.6.32-39-virtual (2.6.32-39.86) @ lucid | 2026-05-29 | ubuntu |
| redhat | kernel-0:2.6.18-238.35.1.el5 | 2012-03-06 | redhat |
| redhat | kernel-rt-0:3.0.18-rt34.53.el6rt | 2012-02-23 | redhat |
| redhat | kernel-0:2.6.18-274.18.1.el5 | 2012-02-09 | redhat |
| redhat | rhev-hypervisor6-0:6.2-20111215.0.el6_2 | 2011-12-22 | redhat |
| redhat | kernel-0:2.6.32-220.2.1.el6 | 2011-12-22 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Additional Vendor Advisories
(8)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Red HatRHSA-2011:1849IMPORTANT2011-12-22
RHSA-2011:1849 — Important
- Red HatRHSA-2011:1850IMPORTANT2011-12-22
RHSA-2011:1850 — Important
- Red HatRHSA-2012:0107IMPORTANT2011-12-22
RHSA-2012:0107 — Important
- Red HatRHSA-2012:0333IMPORTANT2011-12-22
RHSA-2012:0333 — Important
- UbuntuUSN-1384-1MEDIUM
Linux kernel (Oneiric backport) vulnerabilities
- UbuntuUSN-1388-1MEDIUM
Linux kernel (EC2) vulnerabilities
- UbuntuUSN-1389-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-1405-1MEDIUM
Linux kernel vulnerabilities
Data Freshness Timeline
(refreshed 11× in last 7d / 46× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 16:23 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
- 2026-07-05 14:29 UTCOSV refresh
- 2026-07-05 02:26 UTCEPSS rescore
- 2026-07-04 06:27 UTCEPSS rescore
- 2026-07-02 14:01 UTCEPSS rescore
- 2026-07-01 15:02 UTCEPSS rescore
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- 2026-06-30 23:19 UTCEPSS rescore
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- 2026-06-29 14:02 UTCEPSS rescore
- 2026-06-28 14:03 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
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- 2026-06-27 03:05 UTCEPSS rescore
- 2026-06-27 03:05 UTCEPSS rescore
- 2026-06-25 13:46 UTCEPSS rescore
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- 2026-06-23 21:30 UTCEPSS rescore
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- 2026-06-22 14:22 UTCEPSS rescore
- 2026-06-22 14:22 UTCEPSS rescore
- 2026-06-21 01:56 UTCEPSS rescore
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- 2026-06-21 01:56 UTCEPSS rescore
- 2026-06-19 19:22 UTCEPSS rescore
- 2026-06-19 19:22 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-17 01:43 UTCOSV refresh
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-15 17:44 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-13 22:57 UTCEPSS rescore
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- 2026-06-12 23:08 UTCEPSS rescore
- 2026-06-11 13:56 UTCEPSS rescore
- 2026-06-10 22:14 UTCEPSS rescore
- 2026-06-10 13:17 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-06 13:44 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-05 06:07 UTCEPSS rescore
- 2026-06-04 13:09 UTCEPSS rescore
- 2026-06-04 13:09 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-29 13:40 UTCEPSS rescore
- 2026-05-29 04:07 UTCEG score recompute
- 2026-05-29 04:07 UTCVendor advisory
- 2026-05-29 04:06 UTCGHSA enrichment
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-24 16:43 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Frequently asked(4)
What is CVE-2011-4127?
When was CVE-2011-4127 disclosed?
Is CVE-2011-4127 actively exploited?
How do I remediate CVE-2011-4127?
Dependency Blast Radius
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