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
High
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 | * | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
linux | linux_kernel | 3.0 | cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:* |
linux | linux_kernel | 3.0 | cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:* |
linux | linux_kernel | 3.0 | cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:* |
linux | linux_kernel | 3.0 | cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:* |
linux | linux_kernel | 3.0 | cpe:2.3:o:linux:linux_kernel:3.0:rc5:*:*:*:*:*:* |
linux | linux_kernel | 3.0 | cpe:2.3:o:linux:linux_kernel:3.0:rc6:*:*:*:*:*:* |
linux | linux_kernel | 3.0 | cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:* |
linux | linux_kernel | 3.0.1 | cpe:2.3:o:linux:linux_kernel:3.0.1:*:*:*:*:*:*:* |
linux | linux_kernel | 3.0.2 | cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:* |
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