CVE-2011-1771

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

0.52% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 41.9% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/I:H/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

2011-09-06 16:00Z15 YR AGO

Last updated

2024-08-06 22:37Z2 YR AGO

Reserved

2011-04-19

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

6bec542f2f30abfa805b063f16358d1c2896162aefdf6ad480713a57a9be1b23

• marc.info[linux-cifs] 20110405 Re: Repeatable crash in 2.6.38 related to O_DIRECThttp://marc.info/?l=linux-cifs&m=130204730006155&w=2mailing-listx_refsource_MLIST
• marc.info[linux-cifs] 20110405 Repeatable crash in 2.6.38 related to O_DIRECThttp://marc.info/?l=linux-cifs&m=130204357001849&w=2mailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20110509 CVE-2011-1771 kernel: cifs oops when creating file with O_DIRECT sethttp://www.openwall.com/lists/oss-security/2011/05/09/2mailing-listx_refsource_MLIST
• securityreason.com8367http://securityreason.com/securityalert/8367third-party-advisoryx_refsource_SREASON
• www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39x_refsource_CONFIRM
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=703016x_refsource_CONFIRM
• git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7797069305d13252fd66cf722aa8f2cbeb3c95cdx_refsource_CONFIRM