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Bug 1445332 - (CVE-2017-8062) CVE-2017-8062 kernel: dw2102.c interacts incorrectly with the CONFIG_VMAP_STACK option
CVE-2017-8062 kernel: dw2102.c interacts incorrectly with the CONFIG_VMAP_STA...
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20170215,repor...
: Security
Depends On:
Blocks:
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Reported: 2017-04-25 09:45 EDT by Adam Mariš
Modified: 2017-04-25 10:00 EDT (History)
32 users (show)

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Last Closed: 2017-04-25 10:00:00 EDT
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Description Adam Mariš 2017-04-25 09:45:48 EDT 
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.

Upstream patch:

https://github.com/torvalds/linux/commit/606142af57dad981b78707234cfbd15f9f7b7125
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