CVE-2011-4621

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

0.44% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 36.6% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

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

Red Hat severity

Moderate. 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

2012-05-17 10:00Z14 YR AGO

Last updated

2024-08-07 00:09Z2 YR AGO

Reserved

2011-11-29

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')Base

Data version

5.1

Document digest

0abb4859f20705ff00a9958a3f07c971419af8a657ec982acdecb63fad42882f

• github.comhttps://github.com/torvalds/linux/commit/f26f9aff6aaf67e9a430d16c266f91b13a5bff64x_refsource_CONFIRM
• ftp.osuosl.orghttp://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37x_refsource_CONFIRM
• www.openwall.com[oss-security] 20111221 Re: CVE Request -- kernel: tight loop and no preemption can cause system stallhttp://www.openwall.com/lists/oss-security/2011/12/21/6mailing-listx_refsource_MLIST
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=769711x_refsource_CONFIRM
• git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f26f9aff6aaf67e9a430d16c266f91b13a5bff64x_refsource_CONFIRM