Description
The mext_check_arguments function in fs/ext4/move_extent.c in the Linux kernel before 2.6.35 allows local users to overwrite an append-only file via a MOVE_EXT ioctl call that specifies this file as a donor.
References (11)
Core 11
Core References
Patch x_refsource_confirm
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1f5a81e41f8b1a782c68d3843e9ec1bfaadf7d72
Broken Link vendor-advisory
x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2010-0610.html
Third Party Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1000-1
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00000.html
Broken Link x_refsource_confirm
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35
Mailing List, Patch, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2010/06/07/1
Broken Link third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/43315
Mailing List, Patch, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2010/06/09/1
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=601006
Patch, Third Party Advisory x_refsource_confirm
http://www.vmware.com/security/advisories/VMSA-2011-0003.html
Third Party Advisory, VDB Entry mailing-list
x_refsource_bugtraq
http://www.securityfocus.com/archive/1/516397/100/0/threaded
Scores
CVSS v3
5.5
EPSS
0.0009
EPSS Percentile
26.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Details
Status
published
Products (12)
canonical/ubuntu_linux
6.06
canonical/ubuntu_linux
8.04
canonical/ubuntu_linux
9.04
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
... and 2 more
Published
Sep 08, 2010
Tracked Since
Feb 18, 2026