CVE-2018-25020
First published: Wed Dec 08 2021(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 |
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Reference Links
Frequently Asked Questions
What is CVE-2018-25020?
CVE-2018-25020 is a vulnerability in the BPF subsystem in the Linux kernel before 4.17.
How does CVE-2018-25020 affect Linux?
CVE-2018-25020 can lead to an overflow in the BPF subsystem in the Linux kernel before 4.17.
Which software versions are affected by CVE-2018-25020?
CVE-2018-25020 affects Linux kernel versions up to but not including 4.17.
What is the severity of CVE-2018-25020?
CVE-2018-25020 has a severity rating of 7.8 (high).
How can I fix CVE-2018-25020?
To fix CVE-2018-25020, update your Linux kernel version to 4.17 or higher.
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- vendor/linux
- canonical/linux linux kernel
- vendor/netapp
- canonical/netapp cloud backup
- canonical/netapp h410c firmware
- canonical/netapp h410c
- canonical/netapp h300s firmware
- canonical/netapp h300s
- canonical/netapp h500s firmware
- canonical/netapp h500s
- canonical/netapp h700s firmware
- canonical/netapp h700s
- canonical/netapp h300e firmware
- canonical/netapp h300e
- canonical/netapp h500e firmware
- canonical/netapp h500e
- canonical/netapp h700e firmware
- canonical/netapp h700e
- canonical/netapp h410s firmware
- canonical/netapp h410s