What is CVE-2018-25020?

CVE-2018-25020 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10. CVE-2018-25020 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2018-25020?

CVE-2018-25020 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2018-25020?

No patch is currently available for CVE-2018-25020. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2018-25020 actively exploited?

CVE-2018-25020 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2018-25020

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 instructions, leading to an overflow. This affects kernel/bpf/core.c and net/core/filter.c.

Package Linux Kernel

Published 2021-12-08

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-120

CVE-2018-25020 is classified as CWE-120

See CWE-120 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2018-25020 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Packet Storm
http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html

Third Party Advisory VDB Entry
Security
https://security.netapp.com/advisory/ntap-20211229-0005/

Third Party Advisory
Kernel patch commit
https://github.com/torvalds/linux/commit/050fad7c4534c13c8eb1d9c2ba66012e014773cb
Patch

Details

CVE ID CVE-2018-25020

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2021-12-08

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2018-25020?

CVE-2018-25020 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . CVE-2018-25020 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2018-25020?

CVE-2018-25020 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2018-25020?

No patch is currently available for CVE-2018-25020. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2018-25020 actively exploited?

No — CVE-2018-25020 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.