Input validation error in Linux kernel - CVE-2010-2537
Published: September 30, 2010 / Updated: February 13, 2023
Vulnerability identifier: #VU94164
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2010-2537
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to damange or delete data.
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.
Affected software
Linux kernel
Ubuntu
linux (Ubuntu package)
Ubuntu
linux (Ubuntu package)
How to mitigate CVE-2010-2537
Install update from vendor's website.
linux (Ubuntu package) - addressed in versions 2.6.31-22.70, 2.6.32-27.49, 2.6.35-24.42
External References
- http://www.openwall.com/lists/oss-security/2010/07/21/4
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35
- https://bugzilla.redhat.com/show_bug.cgi?id=616998
- http://www.securityfocus.com/bid/41847
- http://www.openwall.com/lists/oss-security/2010/07/21/10
- http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html
- http://www.vupen.com/english/advisories/2011/0070
- http://www.ubuntu.com/usn/USN-1041-1
- http://secunia.com/advisories/42758
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2ebc3464781ad24474abcbd2274e6254689853b5