CVE-2017-10662
First published: Mon Aug 07 2017(Updated: )
In was found that the sanity_check_raw_super() function in 'fs/f2fs/super.c' file in the Linux kernel before 4.12-rc1 does not validate the f2fs filesystem segment count, which allows an unprivileged local user to cause a system panic and DoS. Due to the nature of the flaw, privilege escalation cannot be fully ruled out, although we believe it is unlikely. References: <a href="https://source.android.com/security/bulletin/2017-08-01#kernel-components">https://source.android.com/security/bulletin/2017-08-01#kernel-components</a> Upstream patch: <a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b9dd46188edc2f0d1f37328637860bb65a771124">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b9dd46188edc2f0d1f37328637860bb65a771124</a>
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <3.18.53 | |
| Linux Linux kernel | >=3.19<4.1.41 | |
| Linux Linux kernel | >=4.2<4.4.68 | |
| Linux Linux kernel | >=4.5<4.9.28 | |
| Linux Linux kernel | >=4.10<4.10.16 | |
| Linux Linux kernel | >=4.11<4.11.1 | |
| Google Android | ||
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.112-1 6.11.7-1 6.11.9-1 |
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Reference Links
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9dd46188edc2f0d1f37328637860bb65a771124
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.1
- http://www.securityfocus.com/bid/100215
- https://bugzilla.redhat.com/show_bug.cgi?id=1481146
- https://github.com/torvalds/linux/commit/b9dd46188edc2f0d1f37328637860bb65a771124
- https://source.android.com/security/bulletin/2017-08-01
- https://launchpad.net/bugs/cve/CVE-2017-10662
- https://source.android.com/security/bulletin/2017-08-01#kernel-components
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b9dd46188edc2f0d1f37328637860bb65a771124
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=b9dd46188edc2f0d1f37328637860bb65a771124
- https://source.android.com/docs/security/bulletin/2017-08-01 (Advisory)
- https://git.kernel.org/linus/b9dd46188edc2f0d1f37328637860bb65a771124
- https://security-tracker.debian.org/tracker/CVE-2017-10662
- http://blog.trendmicro.com/trendlabs-security-intelligence/vulnerability-f2fs-file-system-leads-memory-corruption-android-linux/
- https://ubuntu.com/security/notices/USN-3470-1
- https://ubuntu.com/security/notices/USN-3470-2
- https://www.cve.org/CVERecord?id=CVE-2017-10662
- https://nvd.nist.gov/vuln/detail/CVE-2017-10662
- https://git.kernel.org/linus/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
- https://ubuntu.com/security/CVE-2017-10662
Frequently Asked Questions
What is CVE-2017-10662?
CVE-2017-10662 is a vulnerability in the Linux kernel that allows local users to gain privileges.
How severe is CVE-2017-10662?
CVE-2017-10662 has a severity rating of medium.
How does CVE-2017-10662 affect Linux?
CVE-2017-10662 affects the Linux kernel versions before 4.11.1.
How can the CVE-2017-10662 vulnerability be fixed?
To fix the CVE-2017-10662 vulnerability, update the Linux kernel to version 4.11.1 or higher.
Where can I find more information about CVE-2017-10662?
More information about CVE-2017-10662 can be found at the following links: [Git commit](http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9dd46188edc2f0d1f37328637860bb65a771124), [Linux kernel change log](http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.1), [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi?id=1481146).
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