{"id":"CVE-2010-1636","aliases":["EUVD-2010-1657","GHSA-5c4j-r3xw-v7jr"],"status":"published","title":"The btrfs_ioctl_clone function in fs/btrfs/ioctl.c in the btrfs functionality in the Linux kernel...","description":"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.","severity":{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00829,"percentile":0.57758,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-200"],"published":"2010-06-07T20:00:00Z","modified":"2026-06-16T23:18:45Z","exploits":[{"source":"exploitdb","id":"EDB-34001","title":"Linux Kernel 2.6.x - Btrfs Cloned File Security Bypass","type":"local","platform":"linux","date":"2010-05-18","verified":true,"url":"https://www.exploit-db.com/exploits/34001"}],"products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"https://bugs.launchpad.net/ubuntu/+source/linux/+bug/579585","tags":["x_refsource_MISC","x_transferred","Exploit","Patch"]},{"url":"http://www.openwall.com/lists/oss-security/2010/05/18/10","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2010/05/18/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch"]},{"url":"http://www.openwall.com/lists/oss-security/2010/05/25/8","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=593226","tags":["x_refsource_CONFIRM","x_transferred","Exploit"]},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=5dc6416414fb3ec6e2825fd4d20c8bf1d7fe0395","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-1636"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=5dc6416414fb3ec6e2825fd4d20c8bf1d7fe0395"},{"url":"https://github.com/advisories/GHSA-5c4j-r3xw-v7jr"}],"sources":{"cve":[{"id":"CVE-2010-1636","description":"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.","status":"published","published":"2010-06-07T20:00:00Z","modified":"2024-08-07T01:28:43.266Z","updated_at":"2026-11-02T14:33:29.582233Z"}],"euvd":[{"id":"EUVD-2010-1657","description":"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.","status":"published","published":"2010-06-07T20:00:00Z","modified":"2024-08-07T01:28:43Z","updated_at":"2026-11-03T01:39:40.343238Z"}],"ghsa":[{"id":"GHSA-5c4j-r3xw-v7jr","title":"The btrfs_ioctl_clone function in fs/btrfs/ioctl.c in the btrfs functionality in the Linux kernel...","description":"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.","status":"published","published":"2022-05-17T05:31:14Z","modified":"2023-02-21T05:06:50Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:54:12.44657Z"}],"nvd":[{"id":"CVE-2010-1636","description":"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.","status":"published","published":"2010-06-08T00:30:01.397Z","modified":"2026-06-16T23:18:45.47Z","cvss":[{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:01:47.724369Z"}]}}