UBUNTU-CVE-2023-0597

Advisory lineage Upstream: 1 Downstream: 11
Upstream
CVE-2023-0597
Published: 23 Feb 2023, 20:15
Last modified:20 May 2026, 16:14

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Feb 2023, 20:15
Published
Vulnerability first disclosed
20 May 2026, 16:14
Last Modified
Vulnerability information updated

Description

A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was found in the way user can guess location of exception stack(s) or other important data. A local user could use this flaw to get access to some important data with expected location in memory.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Systems

  • ubuntu•linux

    all | < 4.15.0-219.230 | < 5.4.0-166.183 | < 5.15.0-79.86

  • ubuntu•linux-allwinner-5.19

    all

  • ubuntu•linux-aws

    all | < 4.15.0-1162.175 | < 5.4.0-1113.123 | < 5.15.0-1042.47

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1041.46~20.04.1

  • ubuntu•linux-aws-5.19

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1113.123~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2101.107 | all | < 5.4.0-1113.123+fips1

  • ubuntu•linux-aws-hwe

    < 4.15.0-1162.175~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1171.186~14.04.1 | < 4.15.0-1171.186~16.04.1 | all | < 5.4.0-1119.126 | < 5.15.0-1045.52

  • ubuntu•linux-azure-4.15

    < 4.15.0-1171.186

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1045.52~20.04.1

  • ubuntu•linux-azure-5.19

    all

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1119.126~18.04.2

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    all | < 5.15.0-1044.51.1

  • ubuntu•linux-azure-fde-5.15

    all

  • ubuntu•linux-azure-fde-5.19

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2080.86 | all | < 5.4.0-1119.126+fips1

  • ubuntu•linux-bluefield

    < 5.15.0-1022.24 | < 5.4.0-1074.80 | < 5.15.0-1022.24

  • ubuntu•linux-fips

    all | < 4.15.0-1117.128 | < 5.4.0-1088.97

  • ubuntu•linux-gcp

    < 4.15.0-1156.173~16.04.1 | all | < 5.4.0-1117.126 | < 5.15.0-1039.47

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1156.173

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1039.47~20.04.1

  • ubuntu•linux-gcp-5.19

    all

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1117.126~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-fips

    < 4.15.0-2064.69 | all | < 5.4.0-1117.126+fips1

  • ubuntu•linux-gke

    all | < 5.15.0-1039.44

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    < 5.15.0-1039.44~20.04.1

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop

    < 5.4.0-1080.84 | < 5.15.0-1025.30

  • ubuntu•linux-gkeop-5.15

    < 5.15.0-1025.30~20.04.1

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe

    < 4.15.0-219.230~16.04.1 | all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    all

  • ubuntu•linux-hwe-5.15

    < 5.15.0-79.86~20.04.2

Showing first 50 affected entries in server-rendered view.

References (17)