fs/nfs/nfs4proc.c in the NFS client in the Linux kernel before 4.2.2 does not properly…
Priority LOW 38Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 10 fixed, 1 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.
Summary
fs/nfs/nfs4proc.c in the NFS client in the Linux kernel before 4.2.2 does not properly initialize memory for migration recovery operations, which allows remote NFS servers to cause a denial of service (NULL pointer dereference and panic) via crafted network traffic.
Why it matters now
EPSS 0.03103 87th percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 10 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 2 advisories
- RHSA-2016:2584 Released 2016-11-03 · Red Hat rating Importantkernel-rt security, bug fix, and enhancement update
- Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt-3.10.0-514.rt56.420.el7, kernel-rt-debug-3.10.0-514.rt56.420.el7, kernel-rt-debug-devel-3.10.0-514.rt56.420.el7 +4
- Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-514.rt56.420.el7, kernel-rt-debug-3.10.0-514.rt56.420.el7, kernel-rt-debug-devel-3.10.0-514.rt56.420.el7 +7
- RHSA-2016:2574 Released 2016-11-03 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-514.el7, kernel-abi-whitelists-3.10.0-514.el7, kernel-debug-3.10.0-514.el7 +8
- Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-514.el7, kernel-abi-whitelists-3.10.0-514.el7, kernel-debug-3.10.0-514.el7 +8
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.el7
- Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-514.el7, kernel-abi-whitelists-3.10.0-514.el7, kernel-bootwrapper-3.10.0-514.el7 +11
- Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-514.el7, kernel-tools-libs-devel-3.10.0-514.el7
- Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-514.el7, kernel-abi-whitelists-3.10.0-514.el7, kernel-debug-3.10.0-514.el7 +8
- Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-514.el7
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise MRG 2 | Affected | No fix yet |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2016:2574 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2016:2574 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2016:2574 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2016:2574 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2016:2574 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2016:2574 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2016:2574 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2016:2574 |
| Red Hat Enterprise Linux for Real Time (v. 7) | Fixed | RHSA-2016:2584 |
| Red Hat Enterprise Linux for Real Time for NFV (v. 7) | Fixed | RHSA-2016:2584 |
Not affected: 2 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2015-8746
- 2026-10-03 Alias added: GHSA-8fjr-rrxr-cpv2
References
Advisory 3
Other 4
- https://bugzilla.redhat.com/show_bug.cgi?id=1295802
- [oss-security] 20160105 CVE request -- linux kernel: nfs: kernel panic occurs at nfs client when nfsv4.2 migration is executed
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.2
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=18e3b739fdc826481c6a1335ce0c5b19b3d415da
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2015-8746 · CVE Program
- CVE-2015-8746 · NVD
- FIRST EPSS
- GHSA-8fjr-rrxr-cpv2 · GitHub Advisory Database · CC BY 4.0
- CVE-2015-8746 · Red Hat security data · CC BY 4.0
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