Vulnerability Details : CVE-2017-8070
drivers/net/usb/catc.c in the Linux kernel 4.9.x before 4.9.11 interacts incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash or memory corruption) or possibly have unspecified other impact by leveraging use of more than one virtual page for a DMA scatterlist.
Vulnerability category: OverflowMemory CorruptionDenial of service
Products affected by CVE-2017-8070
- cpe:2.3:o:linux:linux_kernel:4.9.5:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.9:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.9.1:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.9.2:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.9.3:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.9.4:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.9.6:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.9.8:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.9.9:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.9.10:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-8070
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 11 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-8070
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2017-8070
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-8070
-
https://github.com/torvalds/linux/commit/2d6a0e9de03ee658a9adc3bfb2f0ca55dff1e478
catc: Use heap buffer for memory size test · torvalds/linux@2d6a0e9 · GitHubPatch
-
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11
Release Notes;Vendor Advisory
-
http://www.openwall.com/lists/oss-security/2017/04/16/4
oss-security - Silently (or obliviously) partially-fixed CONFIG_STRICT_DEVMEM bypassMailing List;Patch;Third Party Advisory
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https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2d6a0e9de03ee658a9adc3bfb2f0ca55dff1e478
kernel/git/torvalds/linux.git - Linux kernel source treePatch
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http://www.securityfocus.com/bid/98011
Linux Kernel 'drivers/net/usb/catc.c' Local Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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