CVE-2011-4127: linux linux_kernel
Vulnerability summary
CVE-2011-4127 is a medium (CVSS 4.6) vulnerability in linux linux_kernel. EPSS estimates a 0.57% chance of exploitation in the next 30 days, higher than 47% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 4.6, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6Timeline
- 03-07-2012PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.57%
Chance of exploitation in the next 30 days
Percentile
47%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.57% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundLinux
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.
Ubuntu11 products
- linux< 3.11.0-12.19 | < 4.2.0-16.19
- linux-flo< 3.4.0-1.3 | < 3.4.0-5.22
- linux-goldfish< 3.4.0-1.9 | < 3.4.0-4.27
- linux-lts-utopic< 3.16.0-25.33~14.04.2
- linux-lts-vivid< 3.19.0-18.18~14.04.1
Redhat2 products
- rhev-hypervisor6< 0:6.2-20111215.0.el6_2
- rhev-hypervisor6-tools< 0:6.2-20111215.0.el6_2
Debian1 product
- libguestfs< 1:1.14.8-1
Linux1 product
- linux_kernel≤ 3.2.1 | 3.0:rc1 | 3.0:rc2 | 3.0:rc3 | 3.0:rc4 | 3.0:rc5 | 3.0:rc6 | 3.0:rc7 | 3.0.1 | 3.0.2 | 3.0.3 | 3.0.4 | 3.0.5 | 3.0.6 | 3.0.7 | 3.0.8 | 3.0.9 | 3.0.10 | 3.0.11 | 3.0.12 | 3.0.13 | 3.0.14 | 3.0.15 | 3.0.16 | 3.0.17 | 3.0.18 | 3.0.19 | 3.0.20 | 3.0.21 | 3.0.22 | 3.0.23 | 3.0.24 | 3.0.25 | 3.0.26 | 3.0.27 | 3.0.28 | 3.0.29 | 3.0.30 | 3.0.31 | 3.0.32 | 3.0.33 | 3.0.34 | 3.1 | 3.1:rc1 | 3.1:rc2 | 3.1:rc3 | 3.1:rc4 | 3.11 | 3.12 | 3.13 | 3.14 | 3.15 | 3.16 | 3.17 | 3.18 | 3.19 | 3.1.10 | 3.2
Suse1 product
- linux_enterprise_server10:sp4
5 vendors · 16 products
References
28 links- git.kernel.orgX Refsource CONFIRM
- git.kernel.orgX Refsource CONFIRM
- github.com/torvalds/linux/commit/0bfc96cb77224736dfa35c3c555d37b3646ef35eX Refsource CONFIRMExploitPatch
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2X Refsource CONFIRM
- github.com/torvalds/linux/commit/ec8013beddd717d1740cfefb1a9b900deef85462X Refsource CONFIRMExploitPatch