CVE-2017-8062

Severity: high (CVSS 7.8 v3.1)
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/media/usb/dvb-usb/dw2102.c in the Linux kernel 4.9.x and 4.10.x before 4.10.4 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: from 4.9 before 4.9.16; from 4.10 before 4.10.4 — fixed in 4.10.4, 4.9.16

How to fix

Upgrade to a fixed version: Linux kernel 4.10.4, 4.9.16. Check the vendor advisory for mitigations.

References

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.4
http://www.openwall.com/lists/oss-security/2017/04/16/4
http://www.securityfocus.com/bid/97973
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=606142af57dad981b78707234cfbd15f9f7b7125
https://github.com/torvalds/linux/commit/606142af57dad981b78707234cfbd15f9f7b7125
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.4
http://www.openwall.com/lists/oss-security/2017/04/16/4
http://www.securityfocus.com/bid/97973
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=606142af57dad981b78707234cfbd15f9f7b7125
https://github.com/torvalds/linux/commit/606142af57dad981b78707234cfbd15f9f7b7125

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