CVE-2017-7645: Input Validation
First published: Tue Apr 18 2017(Updated: )
Last updated 25 October 2024
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <3.2.89 | |
| Linux Linux kernel | >=3.3<3.10.107 | |
| Linux Linux kernel | >=3.11<3.12.74 | |
| Linux Linux kernel | >=3.13<3.16.44 | |
| Linux Linux kernel | >=3.17<3.18.52 | |
| Linux Linux kernel | >=3.19<4.1.40 | |
| Linux Linux kernel | >=4.2<4.4.66 | |
| Linux Linux kernel | >=4.5<4.9.26 | |
| Linux Linux kernel | >=4.10<4.10.14 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| Canonical Ubuntu Linux | =14.04 | |
| 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://www.debian.org/security/2017/dsa-3886
- http://www.securityfocus.com/bid/97950
- https://access.redhat.com/errata/RHSA-2017:1615
- https://access.redhat.com/errata/RHSA-2017:1616
- https://access.redhat.com/errata/RHSA-2017:1647
- https://access.redhat.com/errata/RHSA-2018:1319
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e6838a29ecb484c97e4efef9429643b9851fba6e
- https://github.com/torvalds/linux/commit/e6838a29ecb484c97e4efef9429643b9851fba6e
- https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
- https://marc.info/?l=linux-nfs&m=149218228327497&w=2
- https://marc.info/?l=linux-nfs&m=149247516212924&w=2
- https://usn.ubuntu.com/3754-1/
- https://marc.info/?l=linux-nfs&m=149218228327497&w=2
- https://marc.info/?l=linux-nfs&m=149247516212924&w=2
- https://launchpad.net/bugs/cve/CVE-2017-7645
- https://git.kernel.org/linus/e6838a29ecb484c97e4efef9429643b9851fba6e
- http://seclists.org/oss-sec/2017/q2/195
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1443617
- https://bugzilla.redhat.com/show_bug.cgi?id=1443615
- https://security-tracker.debian.org/tracker/CVE-2017-7645
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7645
- https://nvd.nist.gov/vuln/detail/CVE-2017-7645
- https://ubuntu.com/security/CVE-2017-7645
Frequently Asked Questions
What is CVE-2017-7645?
CVE-2017-7645 is a vulnerability in the NFSv2/NFSv3 server in the Linux kernel that allows remote attackers to cause a denial of service (system crash) via a long RPC reply.
How does CVE-2017-7645 work?
CVE-2017-7645 works by exploiting a flaw in the nfsd subsystem of the Linux kernel, specifically in the net/sunrpc/svc.c, fs/nfsd/nfs3xdr.c, and fs/nfsd/nfsxdr.c files.
What is the severity of CVE-2017-7645?
CVE-2017-7645 has a severity level of high.
Which versions of the Linux kernel are affected by CVE-2017-7645?
CVE-2017-7645 affects the Linux kernel through version 4.10.11.
How can I fix CVE-2017-7645?
To fix CVE-2017-7645, you should upgrade your Linux kernel to version 4.11 or apply the appropriate security patch for your specific distribution.
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