CVE-2021-28375

Aliases:UBUNTU-CVE-2021-28375DEBIAN-CVE-2021-28375
Advisory lineage Upstream: 0 Downstream: 19
Modified
Published: 15 Mar 2021, 04:51
Last modified:03 Aug 2024, 21:40

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.3% LOW
0% probability +0.25%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

15 Mar 2021, 04:51
Published
Vulnerability first disclosed
03 Aug 2024, 21:40
Last Modified
Vulnerability information updated

Description

An issue was discovered in the Linux kernel through 5.11.6. fastrpc_internal_invoke in drivers/misc/fastrpc.c does not prevent user applications from sending kernel RPC messages, aka CID-20c40794eb85. This is a related issue to CVE-2019-2308.

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•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 0.30%• Percentile: 23%

Techniques & Countermeasures

  • CWE-862•Missing Authorization

    The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Affected Systems

  • debian•linux

    < 5.10.24-1 | < 5.10.24-1 | < 5.10.24-1 | < 5.10.24-1

  • ubuntu•linux

    < 5.4.0-73.82

  • ubuntu•linux-aws

    < 5.4.0-1048.50

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1048.50~18.04.1

  • ubuntu•linux-aws-fips

    < 5.4.0-1069.73+fips2 | all

  • ubuntu•linux-azure

    all | < 5.4.0-1047.49

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1047.49~18.04.1

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fips

    < 5.4.0-1073.76+fips1 | all

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-fips

    all

  • ubuntu•linux-gcp

    all | < 5.4.0-1043.46

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1043.46~18.04.1

  • ubuntu•linux-gcp-edge

    all

  • ubuntu•linux-gcp-fips

    < 5.4.0-1067.71~20.04.1 | all

  • ubuntu•linux-gke

    < 5.4.0-1043.45

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.4

    < 5.4.0-1043.45~18.04.1

  • ubuntu•linux-gkeop

    < 5.4.0-1015.16

  • ubuntu•linux-gkeop-5.4

    < 5.4.0-1015.16~18.04.1

  • ubuntu•linux-hwe

    all

  • ubuntu•linux-hwe-5.4

    < 5.4.0-73.82~18.04.1

  • ubuntu•linux-hwe-5.8

    < 5.8.0-53.60~20.04.1

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 5.4.0-1039.40

  • ubuntu•linux-oem

    all

  • ubuntu•linux-oem-5.10

    < 5.10.0-1021.22

  • ubuntu•linux-oem-5.6

    < 5.6.0-1056.60

  • ubuntu•linux-oracle

    < 5.4.0-1045.49

  • ubuntu•linux-oracle-5.0

    all

  • ubuntu•linux-oracle-5.3

    all

  • ubuntu•linux-oracle-5.4

    < 5.4.0-1044.47~18.04.1

  • ubuntu•linux-raspi

    < 5.4.0-1035.38

  • ubuntu•linux-raspi-5.4

    < 5.4.0-1035.38~18.04.1

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    all

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    all

  • ubuntu•linux-riscv-5.8

    < 5.8.0-25.27~20.04.1

  • fedoraproject•fedora

    32 | 33 | 34

  • linux•linux_kernel

    ≥ 5.1, < 5.4.106 | ≥ 5.5, < 5.10.24 | ≥ 5.11, < 5.11.7

  • netapp•cloud_backup

    na

  • netapp•solidfire_baseboard_management_controller_firmware

    na

References (15)