CVE-2017-10663

Description

The sanity_check_ckpt function in fs/f2fs/super.c in the Linux kernel before 4.12.4 does not validate the blkoff and segno arrays, which allows local users to gain privileges via unspecified vectors.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.09%
Third-Party Advisory kernel.org Third-Party Advisory kernel.org Third-Party Advisory securityfocus.com Third-Party Advisory github.com Third-Party Advisory android.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/100215 third party advisory vdb entry
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=15d3042a937c13f5d9244241c7a9c8416ff6e82a patch mailing list third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1481149 patch issue tracking
https://github.com/torvalds/linux/commit/15d3042a937c13f5d9244241c7a9c8416ff6e82a third party advisory patch
https://source.android.com/security/bulletin/2017-08-01 third party advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2017-10663?
CVE-2017-10663 has been scored as a high severity vulnerability.
How to fix CVE-2017-10663?
To fix CVE-2017-10663, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-10663 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-10663 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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