CVE-2023-0597

Aliases:UBUNTU-CVE-2023-0597DEBIAN-CVE-2023-0597
Advisory lineage Upstream: 0 Downstream: 37
Modified
Published: 23 Feb 2023, 00:00
Last modified:12 Mar 2025, 19:17

Vulnerability Summary

Overall Risk (default)
medium
32/100
CVSS Score
5.5 MEDIUM
v3.1 (cve.org)
EPSS Score
0.3% LOW
0% probability +0.28%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

23 Feb 2023, 00:00
Published
Vulnerability first disclosed
12 Mar 2025, 19:17
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

EPSS Trends

Current EPSS score: 0.30%• Percentile: 23%

Techniques & Countermeasures

  • CWE-200•Exposure of Sensitive Information to an Unauthorized Actor

    The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

  • CWE-401•Missing Release of Memory after Effective Lifetime

    The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Affected Systems

  • debian•linux

    all | all | < 6.3.7-1 | < 6.3.7-1

  • 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

    < 5.15.0-1114.123~20.04.1

  • 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

    all | < 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

Showing first 50 affected entries in server-rendered view.

References (21)