CVE-2019-7308

Aliases:UBUNTU-CVE-2019-7308DEBIAN-CVE-2019-7308
Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 01 Feb 2019, 22:00
Last modified:04 Aug 2024, 20:46

Vulnerability Summary

Overall Risk (default)
low
23/100
CVSS Score
5.6 MEDIUM
v3.0 (nvd)
EPSS Score
0.54% LOW
1% probability +0.51%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

01 Feb 2019, 22:00
Published
Vulnerability first disclosed
04 Aug 2024, 20:46
Last Modified
Vulnerability information updated

Description

kernel/bpf/verifier.c in the Linux kernel before 4.20.6 performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of different branches with different state or limits to sanitize, leading to side-channel attacks.

CVSS Metrics

  • v4.0•MEDIUM•Score: 5.7CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
  • v3.0•MEDIUM•Score: 5.6CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
  • v2.0•MEDIUM•Score: 4.7AV:L/AC:M/Au:N/C:C/I:N/A:N

EPSS Trends

Current EPSS score: 0.54%• Percentile: 44%

Techniques & Countermeasures

  • CWE-189•Numeric Errors

    Weaknesses in this category are related to improper calculation or conversion of numbers.

Affected Systems

  • canonical•ubuntu_linux

    14.04 | 16.04 | 18.04 | 18.10

  • debian•linux

    < 4.19.20-1 | < 4.19.20-1 | < 4.19.20-1 | < 4.19.20-1

  • ubuntu•linux

    all | < 4.15.0-47.50

  • ubuntu•linux-allwinner-5.19

    all

  • ubuntu•linux-aws

    all | < 4.15.0-1035.37

  • ubuntu•linux-aws-5.19

    all

  • ubuntu•linux-aws-hwe

    < 4.15.0-1035.37~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1041.45~14.04.1 | < 4.15.0-1041.45 | < 4.18.0-1014.14~18.04.1

  • ubuntu•linux-azure-fde

    all

  • ubuntu•linux-azure-fde-5.15

    < 5.15.0-1114.123~20.04.1

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-fips

    all

  • ubuntu•linux-gcp

    < 4.15.0-1029.31~16.04.1 | < 4.15.0-1029.31

  • ubuntu•linux-gcp-5.19

    all

  • ubuntu•linux-hwe

    < 4.15.0-47.50~16.04.1 | < 4.18.0-17.18~18.04.1

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    all | < 4.15.0-1031.31

  • ubuntu•linux-lts-xenial

    all

  • ubuntu•linux-oem

    < 4.15.0-1035.40

  • ubuntu•linux-oracle

    < 4.15.0-1010.12~16.04.1 | < 4.15.0-1010.12

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.15.0-1033.35

  • ubuntu•linux-realtime

    all | all

  • ubuntu•linux-riscv

    all

  • ubuntu•linux-riscv-5.19

    all

  • ubuntu•linux-starfive-5.19

    all

  • linux•linux_kernel

    < 4.19.19 | ≥ 4.20.0, < 4.20.6

  • opensuse•leap

    15.0

References (23)