Description
The btrfs_ioctl_clone function in fs/btrfs/ioctl.c in the Linux kernel before 2.6.35 allows local users to overwrite an append-only file via a (1) BTRFS_IOC_CLONE or (2) BTRFS_IOC_CLONE_RANGE ioctl call that specifies this file as a donor.
References (10)
Core 10
Core References
Patch x_refsource_confirm
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2ebc3464781ad24474abcbd2274e6254689853b5
Third Party Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1041-1
Mailing List, Patch, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2010/07/21/10
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html
Broken Link x_refsource_confirm
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35
Broken Link third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/42758
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=616998
Broken Link vdb-entry
x_refsource_vupen
http://www.vupen.com/english/advisories/2011/0070
Mailing List, Patch, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2010/07/21/4
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/41847
Scores
CVSS v3
7.1
EPSS
0.0009
EPSS Percentile
25.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Details
Status
published
Products (7)
canonical/ubuntu_linux
9.10
canonical/ubuntu_linux
10.04
canonical/ubuntu_linux
10.10
linux/linux_kernel
< 2.6.35
suse/linux_enterprise_high_availability_extension
11 sp1
suse/suse_linux_enterprise_desktop
11 sp1
suse/suse_linux_enterprise_server
11 sp1
Published
Sep 30, 2010
Tracked Since
Feb 18, 2026