CVE-2017-8070

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-04-23 · updated 2026-06-17
Weakness: CWE-119

Description

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.

Affected products

Linux kernel: 4.9, 4.9.1, 4.9.2, 4.9.3, 4.9.4, 4.9.5 (+4)

References

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11
http://www.openwall.com/lists/oss-security/2017/04/16/4
http://www.securityfocus.com/bid/98011
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2d6a0e9de03ee658a9adc3bfb2f0ca55dff1e478
https://github.com/torvalds/linux/commit/2d6a0e9de03ee658a9adc3bfb2f0ca55dff1e478
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11
http://www.openwall.com/lists/oss-security/2017/04/16/4
http://www.securityfocus.com/bid/98011
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2d6a0e9de03ee658a9adc3bfb2f0ca55dff1e478
https://github.com/torvalds/linux/commit/2d6a0e9de03ee658a9adc3bfb2f0ca55dff1e478

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