CVE-2017-5551
First published: Tue Jan 24 2017(Updated: )
It was found that fix for <a href="https://access.redhat.com/security/cve/CVE-2016-7097">CVE-2016-7097</a> was incomplete as it missed tmpfs. Upstream patch: <a href="https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=497de07d89c1410d76a15bec2bb41f24a2a89f31">https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=497de07d89c1410d76a15bec2bb41f24a2a89f31</a> CVE assignment: <a href="http://seclists.org/oss-sec/2017/q1/161">http://seclists.org/oss-sec/2017/q1/161</a>
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <=4.9.5 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=497de07d89c1410d76a15bec2bb41f24a2a89f31
- http://www.debian.org/security/2017/dsa-3791
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.6
- http://www.openwall.com/lists/oss-security/2017/01/21/3
- http://www.securityfocus.com/bid/95717
- http://www.securitytracker.com/id/1038053
- https://bugzilla.redhat.com/show_bug.cgi?id=1416126
- https://github.com/torvalds/linux/commit/497de07d89c1410d76a15bec2bb41f24a2a89f31
- https://launchpad.net/bugs/cve/CVE-2017-5551
- https://access.redhat.com/security/cve/CVE-2016-7097
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=497de07d89c1410d76a15bec2bb41f24a2a89f31
- http://seclists.org/oss-sec/2017/q1/161
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1416128
- https://access.redhat.com/support/policy/updates/errata/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1368938
- https://git.kernel.org/linus/497de07d89c1410d76a15bec2bb41f24a2a89f31
- https://security-tracker.debian.org/tracker/CVE-2017-5551
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5551
- https://nvd.nist.gov/vuln/detail/CVE-2017-5551
- https://ubuntu.com/security/CVE-2017-5551
Frequently Asked Questions
What is CVE-2017-5551?
CVE-2017-5551 is a vulnerability in the Linux kernel that allows local users to gain group privileges by leveraging the existence of a setgid program with restrictions on execute permissions.
How severe is CVE-2017-5551?
CVE-2017-5551 has a severity level of medium.
Which Linux kernel versions are affected by CVE-2017-5551?
Linux kernel versions before 4.9.6 are affected by CVE-2017-5551.
How can I fix CVE-2017-5551?
To fix CVE-2017-5551, update your Linux kernel to version 4.9.6 or later.
Where can I find more information about CVE-2017-5551?
You can find more information about CVE-2017-5551 in the references provided: http://www.openwall.com/lists/oss-security/2017/01/21/3, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=497de07d89c1410d76a15bec2bb41f24a2a89f31, http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.6
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