UBUNTU-CVE-2023-21255

Advisory lineage Upstream: 1 Downstream: 13
Upstream
CVE-2023-21255
Published: 13 Jul 2023, 00:15
Last modified:20 May 2026, 16:14

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

13 Jul 2023, 00:15
Published
Vulnerability first disclosed
20 May 2026, 16:14
Last Modified
Vulnerability information updated

Description

In multiple functions of binder.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

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

Affected Systems

  • ubuntu•linux

    < 5.4.0-162.179 | < 5.15.0-83.92

  • ubuntu•linux-allwinner-5.19

    all

  • ubuntu•linux-aws

    < 5.4.0-1109.118 | < 5.15.0-1044.49

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1044.49~20.04.1

  • ubuntu•linux-aws-5.19

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1109.118~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-6.2

    < 6.2.0-1011.11~22.04.1

  • ubuntu•linux-aws-fips

    < 5.4.0-1109.118+fips1

  • ubuntu•linux-azure

    all | < 5.4.0-1115.122 | < 5.15.0-1046.53

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1046.53~20.04.1

  • ubuntu•linux-azure-5.19

    all

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1115.122~18.04.1

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    all | < 5.15.0-1046.53.1

  • ubuntu•linux-azure-fde-5.19

    all

  • ubuntu•linux-azure-fips

    < 5.4.0-1115.122+fips1

  • ubuntu•linux-bluefield

    < 5.15.0-1023.25 | < 5.4.0-1070.76 | < 5.15.0-1023.25

  • ubuntu•linux-fips

    < 5.4.0-1084.93 | all

  • ubuntu•linux-gcp

    all | < 5.4.0-1112.121 | < 5.15.0-1041.49

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1041.49~20.04.1

  • ubuntu•linux-gcp-5.19

    all

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1112.121~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-6.2

    < 6.2.0-1013.13~22.04.1

  • ubuntu•linux-gcp-fips

    < 5.4.0-1112.121+fips1

  • ubuntu•linux-gke

    all | < 5.15.0-1041.46

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    all

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop

    < 5.4.0-1076.80 | < 5.15.0-1027.32

  • ubuntu•linux-gkeop-5.15

    < 5.15.0-1027.32~20.04.1

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe

    all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    all

  • ubuntu•linux-hwe-5.15

    < 5.15.0-83.92~20.04.1

  • ubuntu•linux-hwe-5.19

    all

  • ubuntu•linux-hwe-5.4

    < 5.4.0-162.179~18.04.1

Showing first 50 affected entries in server-rendered view.

References (19)