CVE-2010-2537 Information

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2ebc3464781ad24474abcbd2274e6254689853b5 http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html http://secunia.com/advisories/42758 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35 http://www.openwall.com/lists/oss-security/2010/07/21/10 http://www.openwall.com/lists/oss-security/2010/07/21/4 http://www.securityfocus.com/bid/41847 http://www.ubuntu.com/usn/USN-1041-1 http://www.vupen.com/english/advisories/2011/0070 https://bugzilla.redhat.com/show_bug.cgi?id=616998

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.1