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
Exploit prediction scoring system (EPSS) score for CVE-2017-8070
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-8070
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
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
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-8070
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https://github.com/torvalds/linux/commit/2d6a0e9de03ee658a9adc3bfb2f0ca55dff1e478
catc: Use heap buffer for memory size test · torvalds/linux@2d6a0e9 · GitHubPatch
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http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11
Release Notes;Vendor Advisory
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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
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:*:*:*:*:*:*:*