CVE-2017-7895
Critical
Description
The 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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Linux Kernel
PublishedApr 28, 2017
First seenApr 28, 2017
How to fix
Update
- linux linux_kernel3.2.89, 3.16.44, 4.1.40, 4.4.67, 4.9.26, 4.10.14 or later
Vendor advisories
- access.redhat.com/errata/RHSA-2017:2732
- access.redhat.com/errata/RHSA-2017:2412
- access.redhat.com/errata/RHSA-2017:1798
- access.redhat.com/errata/RHSA-2017:1723
- access.redhat.com/errata/RHSA-2017:1615
- access.redhat.com/errata/RHSA-2017:1647
- access.redhat.com/errata/RHSA-2017:1766
- access.redhat.com/errata/RHSA-2017:1616
- access.redhat.com/errata/RHSA-2017:2429
- access.redhat.com/errata/RHSA-2017:2428
- access.redhat.com/errata/RHSA-2017:2472
- access.redhat.com/errata/RHSA-2017:1715
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 3.2.89, 3.3 ≤ v < 3.16.44, 3.17.0 ≤ v < 4.1.40, 4.2 ≤ v < 4.4.67, 4.5.0 ≤ v < 4.9.26, 4.10 ≤ v < 4.10.14 | 3.2.89, 3.16.44, 4.1.40, 4.4.67, 4.9.26, 4.10.14 |
| debian debian_linux | 8.0, 9.0 | — |
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