CVE-2017-8797
The NFSv4 server in the Linux kernel before 4.11.3 does not properly validate the layout type when processing the NFSv4 pNFS GETDEVICEINFO…
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The NFSv4 server in the Linux kernel before 4.11.3 does not properly validate the layout type when processing the NFSv4 pNFS GETDEVICEINFO or LAYOUTGET operand in a UDP packet from a remote attacker. This type value is uninitialized upon encountering certain error conditions. This value is used as an array index for dereferencing, which leads to an OOPS and eventually a DoS of knfsd and a soft-lockup of the whole system.
Timeline
ID reserved
By mitre
- 58 days later
· 58 days later
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 9.5% · top 4.5% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (13)
- http://www.openwall.com/lists/oss-security/2017/06/27/5 (opens in a new tab)x_refsource_MISCx_transferred
- 1038790 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- RHSA-2017:2437 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://github.com/torvalds/linux/commit/f961e3f2acae94b727380c0b74e2d3954d0edf79 (opens in a new tab)x_refsource_MISCx_transferred
- RHSA-2017:2669 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1466329 (opens in a new tab)x_refsource_MISCx_transferred
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f961e3f2acae94b727380c0b74e2d3954d0edf79 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/torvalds/linux/commit/b550a32e60a4941994b437a8d662432a486235a5 (opens in a new tab)x_refsource_MISCx_transferred
- RHSA-2017:2077 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.3 (opens in a new tab)x_refsource_MISCx_transferred
- RHSA-2017:1842 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 99298 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b550a32e60a4941994b437a8d662432a486235a5 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-8797)Record last updated .