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CVE-2010-1636

Date: June 7, 2010

The btrfs_ioctl_clone function in fs/btrfs/ioctl.c in the btrfs functionality in the Linux kernel 2.6.29 through 2.6.32, and possibly other versions, does not ensure that a cloned file descriptor has been opened for reading, which allows local users to read sensitive information from a write-only file descriptor.

Language: C

Severity Score

Related Resources (9)

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/579585
http://www.openwall.com/lists/oss-security/2010/05/25/8
https://bugzilla.redhat.com/show_bug.cgi?id=593226
https://nvd.nist.gov/vuln/detail/CVE-2010-1636
http://www.openwall.com/lists/oss-security/2010/05/18/2
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=5dc6416414fb3ec6e2825fd4d20c8bf1d7fe0395
https://people.canonical.com/~ubuntu-security/cve/CVE-2010-1636
http://www.openwall.com/lists/oss-security/2010/05/18/10
https://www.mend.io/vulnerability-database/CVE-2010-1636

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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