CVE-2010-1636

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.

Score

CVSS 2.0 2.1 Low

Status

Modified - secalert@redhat.com

Published

2010-06-08

Last modified

2024-08-07

Weaknesses

CWE-200

Affected products

• Linux Kernel (Linux)

References

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=5dc6416414fb3ec6e2825fd4d20c8bf1d7f…
• http://www.openwall.com/lists/oss-security/2010/05/18/10
• http://www.openwall.com/lists/oss-security/2010/05/18/2
• http://www.openwall.com/lists/oss-security/2010/05/25/8
• https://bugs.launchpad.net/ubuntu/+source/linux/+bug/579585
• https://bugzilla.redhat.com/show_bug.cgi?id=593226