CVSS2
Attack Vector
LOCAL
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:H/Au:N/C:N/I:N/A:C
AI Score
Confidence
Low
EPSS
Percentile
15.7%
The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (prevention of file creation) by leveraging the ability to write to a directory important to the victim, and creating a file with a crafted name that is associated with a specific CRC32C hash value.
Vendor | Product | Version | CPE |
---|---|---|---|
linux | linux_kernel | 3.1.6 | cpe:/o:linux:linux_kernel:3.1.6::: |
linux | linux_kernel | 3.2 | cpe:/o:linux:linux_kernel:3.2:rc5:: |
linux | linux_kernel | 3.4.8 | cpe:/o:linux:linux_kernel:3.4.8::: |
linux | linux_kernel | 3.7.2 | cpe:/o:linux:linux_kernel:3.7.2::: |
linux | linux_kernel | 3.1 | cpe:/o:linux:linux_kernel:3.1:rc1:: |
linux | linux_kernel | 3.0.43 | cpe:/o:linux:linux_kernel:3.0.43::: |
linux | linux_kernel | 3.2 | cpe:/o:linux:linux_kernel:3.2:rc3:: |
linux | linux_kernel | 3.3 | cpe:/o:linux:linux_kernel:3.3:rc1:: |
linux | linux_kernel | 3.5.6 | cpe:/o:linux:linux_kernel:3.5.6::: |
linux | linux_kernel | 3.2.14 | cpe:/o:linux:linux_kernel:3.2.14::: |
crypto.junod.info/2012/12/13/hash-dos-and-btrfs/
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9c52057c698fb96f8f07e7a4bcf4801a092bda89
openwall.com/lists/oss-security/2012/12/13/20
www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2
www.ubuntu.com/usn/USN-1944-1
www.ubuntu.com/usn/USN-1945-1
www.ubuntu.com/usn/USN-1946-1
www.ubuntu.com/usn/USN-1947-1
www.ubuntu.com/usn/USN-2017-1
github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89