Vulnerability Description
The BPF subsystem in the Linux kernel before 4.17 mishandles situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. This affects kernel/bpf/core.c and net/core/filter.c.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.17 |
| Netapp | Cloud Backup | - |
| Netapp | H410C Firmware | - |
| Netapp | H410C | - |
| Netapp | H300S Firmware | - |
| Netapp | H300S | - |
| Netapp | H500S Firmware | - |
| Netapp | H500S | - |
| Netapp | H700S Firmware | - |
| Netapp | H700S | - |
| Netapp | H300E Firmware | - |
| Netapp | H300E | - |
| Netapp | H500E Firmware | - |
| Netapp | H500E | - |
| Netapp | H700E Firmware | - |
| Netapp | H700E | - |
| Netapp | H410S Firmware | - |
| Netapp | H410S | - |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSThird Party AdvisoryVDB Entry
- https://github.com/torvalds/linux/commit/050fad7c4534c13c8eb1d9c2ba66012e014773cPatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20211229-0005/Third Party Advisory
- http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSThird Party AdvisoryVDB Entry
- https://github.com/torvalds/linux/commit/050fad7c4534c13c8eb1d9c2ba66012e014773cPatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20211229-0005/Third Party Advisory
FAQ
What is CVE-2018-25020?
CVE-2018-25020 is a vulnerability with a CVSS score of 7.8 (HIGH). The BPF subsystem in the Linux kernel before 4.17 mishandles situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instruct...
How severe is CVE-2018-25020?
CVE-2018-25020 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-25020?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Netapp Cloud Backup, Netapp H410C Firmware, Netapp H410C, Netapp H300S Firmware.