CVE-2010-1636

The btrfs_ioctl_clone function in fs/btrfs/ioctl.c in the btrfs functionality in the Linux kernel...

2.1 LowPublic exploit

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.

Exploit likelihood

0.83%Down 1.1 points since Feb 4, 2022

What each source reports

NVD Score used 2.1

Record: CVE-2010-1636
CVSS 2.0: 2.1 LowAV:L/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

CVE List No score

Record: CVE-2010-1636
Updated: 2026-11-02

EUVDEUVD-2010-1657 No score

Record: EUVD-2010-1657
Updated: 2026-11-03

GitHub AdvisoriesGHSA-5c4j-r3xw-v7jr No score

The btrfs_ioctl_clone function in fs/btrfs/ioctl.c in the btrfs functionality in the Linux kernel...

Record: GHSA-5c4j-r3xw-v7jr
Weakness: CWE-200
Updated: 2026-11-02

Affected products

linux kernel

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Linux Kernel 2.6.x - Btrfs Cloned File Security Bypass	2010-05-18

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2010-1636 is a low vulnerability (CVSS 2.1) in Linux Kernel, published June 7, 2010. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.83%, the 57th percentile. No source names a fixed version.