net/ipv4/route.c in the Linux kernel 4.13-rc1 through 4.13-rc6 is too late to check for a…
Priority LOW 34CWE-476Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
net/ipv4/route.c in the Linux kernel 4.13-rc1 through 4.13-rc6 is too late to check for a NULL fi field when RTM_F_FIB_MATCH is set, which allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via crafted system calls. NOTE: this does not affect any stable release.
Why it matters now
EPSS 0.00359 29th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:4.13:rc1:*:*:*:*:*:* | 4.13 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.13:rc2:*:*:*:*:*:* | 4.13 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.13:rc3:*:*:*:*:*:* | 4.13 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.13:rc4:*:*:*:*:*:* | 4.13 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.13:rc5:*:*:*:*:*:* | 4.13 rc5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.13:rc6:*:*:*:*:*:* | 4.13 rc6 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:4.13:rc1:*:*:*:*:*:* Versions 4.13 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.13:rc2:*:*:*:*:*:* Versions 4.13 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.13:rc3:*:*:*:*:*:* Versions 4.13 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.13:rc4:*:*:*:*:*:* Versions 4.13 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.13:rc5:*:*:*:*:*:* Versions 4.13 rc5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.13:rc6:*:*:*:*:*:* Versions 4.13 rc6 Vulnerable ·Linux
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise MRG 2
Timeline
- 2026-10-02 Threatist record created from CVE-2017-13686
- 2026-10-03 Alias added: GHSA-8348-vf2q-44xc
References
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-2017-13686 · CVE Program
- CVE-2017-13686 · NVD
- FIRST EPSS
- GHSA-8348-vf2q-44xc · GitHub Advisory Database · CC BY 4.0
- CVE-2017-13686 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences