CVE-2011-4127

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.57% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 44.7% of scored records. A rank, not a probability.

NVD base score

The NVD has published no score for this record

NVD CVSS vector

No NVD score to derive

NVD analysis status

Modified. NVD last modified this record on 2026-06-16.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2012-07-03 16:00Z14 YR AGO

Last updated

2024-08-07 00:01Z2 YR AGO

Reserved

2011-10-18

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-264
• CWE-284Improper Access ControlPillar

Data version

5.1

Document digest

e58868e8e6505f4e6f8d9a003b68b15feeb44fe9318d87f22bbde1b52fcaa78e

• www.openwall.com[oss-security] 20111222 CVE-2011-4127 kernel: possible privilege escalation via SG_IO ioctlhttp://www.openwall.com/lists/oss-security/2011/12/22/5mailing-listx_refsource_MLIST
• lists.opensuse.orgSUSE-SU-2012:0554http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.htmlvendor-advisoryx_refsource_SUSE
• secunia.com48898http://secunia.com/advisories/48898third-party-advisoryx_refsource_SECUNIA
• git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ec8013beddd717d1740cfefb1a9b900deef85462x_refsource_CONFIRM
• git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0bfc96cb77224736dfa35c3c555d37b3646ef35ex_refsource_CONFIRM
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=752375x_refsource_CONFIRM
• github.comhttps://github.com/torvalds/linux/commit/0bfc96cb77224736dfa35c3c555d37b3646ef35ex_refsource_CONFIRM
• www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2x_refsource_CONFIRM
• github.comhttps://github.com/torvalds/linux/commit/ec8013beddd717d1740cfefb1a9b900deef85462x_refsource_CONFIRM
• lists.opensuse.orgSUSE-SU-2015:0812http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.htmlvendor-advisoryx_refsource_SUSE