CVE-2017-16939: Use After Free
First published: Fri Nov 24 2017(Updated: )
Last updated 25 October 2024
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=2.6.28<3.2.97 | |
| Linux Linux kernel | >=3.3<3.16.52 | |
| Linux Linux kernel | >=3.17<3.18.86 | |
| Linux Linux kernel | >=3.19<4.1.48 | |
| Linux Linux kernel | >=4.2<4.4.104 | |
| Linux Linux kernel | >=4.5<4.9.60 | |
| Linux Linux kernel | >=4.10<4.13.11 | |
| Debian Debian Linux | =8.0 | |
| 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 |
Remedy
If unprivileged user namespaces are not needed, set the kernel.unprivileged_userns_clone sysctl to 0.
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Reference Links
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1137b5e2529a8f5ca8ee709288ecba3e68044df2
- http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
- http://seclists.org/fulldisclosure/2017/Nov/40
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11
- http://www.securityfocus.com/bid/101954
- https://access.redhat.com/errata/RHSA-2018:1318
- https://access.redhat.com/errata/RHSA-2018:1355
- https://access.redhat.com/errata/RHSA-2019:1170
- https://access.redhat.com/errata/RHSA-2019:1190
- https://blogs.securiteam.com/index.php/archives/3535
- https://bugzilla.suse.com/show_bug.cgi?id=1069702
- https://github.com/torvalds/linux/commit/1137b5e2529a8f5ca8ee709288ecba3e68044df2
- https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
- https://www.debian.org/security/2018/dsa-4082
- https://launchpad.net/bugs/cve/CVE-2017-16939
- https://git.kernel.org/linus/1137b5e2529a8f5ca8ee709288ecba3e68044df2
- http://www.openwall.com/lists/oss-security/2017/11/24/3
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1517221
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1517284
- https://bugzilla.redhat.com/show_bug.cgi?id=1517220
- https://security-tracker.debian.org/tracker/CVE-2017-16939
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16939
- https://nvd.nist.gov/vuln/detail/CVE-2017-16939
- https://ubuntu.com/security/CVE-2017-16939
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