CVE-2017-7895
CriticalThe NFSv2 and NFSv3 server implementations in the Linux kernel through 4.10.13 lack certain checks for the end of a buffer, which allows remote attackers to trigger pointer-arithmetic errors or possibly have unspecified other impact via crafted requests, related to fs/nfsd/nfs3xdr.c and fs/nfsd/nfsxdr.c.
CVSS 3.1 score
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type
CWE-119CVE-2017-7895 is a Buffer Overflow vulnerability
What is Buffer Overflow?
The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2017-7895 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Debian Securityhttp://www.debian.org/security/2017/dsa-3886Third Party Advisory
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Securityfocushttp://www.securityfocus.com/bid/98085Third Party Advisory VDB Entry
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Third Party Advisory
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Third Party Advisory
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PatchKernel patch commithttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=13bf9fbff0e5e099e2b6f003a0ab8ae145436309
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PatchKernel patch commithttps://github.com/torvalds/linux/commit/13bf9fbff0e5e099e2b6f003a0ab8ae145436309
Frequently asked questions
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What is CVE-2017-7895?
CVE-2017-7895 is a Critical severity Linux kernel vulnerability with a CVSS score of 9.8 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2017-7895 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2017-7895?
CVE-2017-7895 has a CVSS score of 9.8 out of 10, rated Critical severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2017-7895?
No patch is currently available for CVE-2017-7895. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2017-7895 actively exploited?
No — CVE-2017-7895 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Buffer Overflow (CWE-119)?
The product performs operations on a memory buffer but reads or writes outside its intended boundaries. View CWE-119 on MITRE CWE →