CVE-2018-25020

Aliases:UBUNTU-CVE-2018-25020DEBIAN-CVE-2018-25020
Advisory lineage Upstream: 0 Downstream: 21
Modified
Published: 08 Dec 2021, 04:47
Last modified:05 Aug 2024, 12:26

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.51% LOW
1% probability +0.34%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

08 Dec 2021, 04:47
Published
Vulnerability first disclosed
05 Aug 2024, 12:26
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 4.6AV:L/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.51%• Percentile: 42%

Techniques & Countermeasures

  • CWE-120•Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

    The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Affected Systems

  • debian•linux

    < 4.17.3-1 | < 4.17.3-1 | < 4.17.3-1 | < 4.17.3-1

  • ubuntu•linux

    < 4.15.0-166.174

  • ubuntu•linux-aws

    < 4.15.0-1118.125

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2059.61 | all

  • ubuntu•linux-aws-hwe

    < 4.15.0-1118.125~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1129.142~14.04.1 | < 4.15.0-1129.142~16.04.1 | all

  • ubuntu•linux-azure-4.15

    < 4.15.0-1129.142

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2041.45 | all

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-dell300x

    < 4.15.0-1033.38

  • ubuntu•linux-fips

    < 4.15.0-1075.84 | all

  • ubuntu•linux-gcp

    < 4.15.0-1114.128~16.04.1 | all

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1114.128

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-fips

    < 4.15.0-2024.26 | all

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-hwe

    < 4.15.0-166.174~16.04.1 | all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.8

    all

  • ubuntu•linux-hwe-edge

    all

  • ubuntu•linux-intel-5.13

    all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.15.0-1105.107

  • ubuntu•linux-oem

    all

  • ubuntu•linux-oem-5.6

    all

  • ubuntu•linux-oracle

    < 4.15.0-1085.93~16.04.1 | < 4.15.0-1085.93

  • ubuntu•linux-oracle-5.0

    all

  • ubuntu•linux-oracle-5.3

    all

  • ubuntu•linux-oracle-5.8

    all

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.15.0-1101.108 | all

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    all

  • ubuntu•linux-riscv-5.8

    all

  • ubuntu•linux-snapdragon

    < 4.15.0-1118.127

  • linux•linux_kernel

    < 4.17

  • netapp•cloud_backup

    na

  • netapp•h300e_firmware

    na

  • netapp•h300s_firmware

    na

  • netapp•h410c_firmware

    na

  • netapp•h410s_firmware

    na

  • netapp•h500e_firmware

    na

  • netapp•h500s_firmware

    na

Showing first 50 affected entries in server-rendered view.

References (7)