CVE-2017-7645
HIGH severity · CVSS 7.5 · Improper input validation
7.5CVSS HIGH
Summary
The NFSv2/NFSv3 server in the nfsd subsystem in the Linux kernel through 4.10.11 allows remote attackers to cause a denial of service (system crash) via a long RPC reply, related to net/sunrpc/svc.c, fs/nfsd/nfs3xdr.c, and fs/nfsd/nfsxdr.c.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)6%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/torvalds/linux/commit/e6838a29ecb484c97e4efef9429643b9851fba6e ↗
Additional information
- NVD record
- https://github.com/torvalds/linux/commit/e6838a29ecb484c97e4efef9429643b9851fba6ePatch
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e6838a29ecb484c97e4efef9429643b9851fba6eAdvisory
- http://www.debian.org/security/2017/dsa-3886Advisory
- http://www.securityfocus.com/bid/97950Advisory
- https://access.redhat.com/errata/RHSA-2017:1615Advisory
- https://access.redhat.com/errata/RHSA-2017:1616Advisory
- https://access.redhat.com/errata/RHSA-2017:1647Advisory
- https://access.redhat.com/errata/RHSA-2018:1319Advisory