CVE-2011-0699 : Integer signedness error in the btrfs_ioctl_space

Integer signedness error in the btrfs_ioctl_space_info function in the Linux kernel 2.6.37 allows local users to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted slot value.

Published 2020-02-20 18:15:11

Updated 2020-02-25 15:19:07

Source Red Hat, Inc.

View at NVD, CVE.org

Vulnerability category: OverflowMemory CorruptionDenial of service

Products affected by CVE-2011-0699

Linux » Linux Kernel » Version: 2.6.37
cpe:2.3:o:linux:linux_kernel:2.6.37:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2011-0699

Top countries where our scanners detected CVE-2011-0699

Top open port discovered on systems with this issue 49152

IPs affected by CVE-2011-0699 943

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2011-0699!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2011-0699

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 6 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-0699

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.9	MEDIUM	AV:L/AC:M/Au:N/C:C/I:C/A:C	3.4	10.0	NIST
Access Vector: Local Access Complexity: Medium Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
7.0	HIGH	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	1.0	5.9	NIST
Attack Vector: Local Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2011-0699

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

Assigned by: nvd@nist.gov (Primary)
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-0699

http://marc.info/?l=linux-kernel&m=129726078708425&w=2

'[PATCH] btrfs: prevent heap corruption in btrfs_ioctl_space_info()' - MARC
Patch;Third Party Advisory
http://marc.info/?l=oss-security&m=129726743519620&w=2

'Re: [oss-security] CVE request: kernel: btrfs heap overflow' - MARC
Third Party Advisory
https://github.com/BlankOn/linux-debian/blob/master/debian/changelog.BlankOn

linux-debian/changelog.BlankOn at master · BlankOn/linux-debian · GitHub
Release Notes;Third Party Advisory
http://vulnfactory.org/vulns/

Security Research by Dan Rosenberg
Third Party Advisory