The tpacket_rcv function in net/packet/af_packet.c in the Linux kernel before 4.13…
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
The tpacket_rcv function in net/packet/af_packet.c in the Linux kernel before 4.13 mishandles vnet headers, which might allow local users to cause a denial of service (buffer overflow, and disk and memory corruption) or possibly have unspecified other impact via crafted system calls.
Why it matters now
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
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-2017-14497
- 2026-10-03 Alias added: GHSA-883m-49fj-jg3j
- 2026-11-05 Affected versions changed · Red Hat
References
Patch 5
- https://marc.info/?l=linux-kernel&m=150394500728906&w=2
- https://bugzilla.redhat.com/show_bug.cgi?id=1492593
- https://github.com/torvalds/linux/commit/edbd58be15a957f6a760c4a514cd475217eb97fd
- https://marc.info/?t=150394517700001&r=1&w=2
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=edbd58be15a957f6a760c4a514cd475217eb97fd
Sources
- CVE-2017-14497 · CVE Program
- CVE-2017-14497 · NVD
- FIRST EPSS
- GHSA-883m-49fj-jg3j · GitHub Advisory Database · CC BY 4.0
- CVE-2017-14497 · 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