CVE-2023-31436

Aliases:UBUNTU-CVE-2023-31436DEBIAN-CVE-2023-31436
Advisory lineage Upstream: 0 Downstream: 88
Modified
Published: 28 Apr 2023, 00:00
Last modified:21 Oct 2024, 16:01

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v3.1 (cve.org)
EPSS Score
0.59% LOW
1% probability +0.55%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

28 Apr 2023, 00:00
Published
Vulnerability first disclosed
21 Oct 2024, 16:01
Last Modified
Vulnerability information updated

Description

qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write because lmax can exceed QFQ_MIN_LMAX.

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

EPSS Trends

Current EPSS score: 0.59%• Percentile: 47%

Techniques & Countermeasures

  • CWE-787•Out-of-bounds Write

    The product writes data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • debian•linux

    < 5.10.179-1 | < 6.1.27-1 | < 6.1.27-1 | < 6.1.27-1

  • ubuntu•linux

    < 3.13.0-194.245 | < 4.4.0-241.275 | < 4.15.0-212.223 | < 5.4.0-150.167 | < 5.15.0-73.80

  • ubuntu•linux-allwinner-5.19

    < 5.19.0-1013.13~22.04.1

  • ubuntu•linux-aws

    < 4.4.0-1119.125 | < 4.4.0-1157.172 | < 4.15.0-1157.170 | < 5.4.0-1103.111 | < 5.15.0-1037.41

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1037.41~20.04.1

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1103.111~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2096.102 | all | < 5.4.0-1103.111+fips1

  • ubuntu•linux-aws-hwe

    < 4.15.0-1157.170~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1166.181~14.04.1 | < 4.15.0-1166.181~16.04.1 | all | < 5.4.0-1109.115 | < 5.15.0-1039.46

  • ubuntu•linux-azure-4.15

    < 4.15.0-1166.181

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1039.46~20.04.1

  • ubuntu•linux-azure-5.19

    all

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1109.115~18.04.1

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    < 5.15.0-1039.46.1

  • ubuntu•linux-azure-fips

    < 4.15.0-2075.81 | all | < 5.4.0-1109.115+fips1

  • ubuntu•linux-bluefield

    all | < 5.4.0-1064.70 | < 5.15.0-1017.19

  • ubuntu•linux-fips

    < 4.4.0-1089.96 | all | < 4.15.0-1112.123 | < 5.4.0-1078.87

  • ubuntu•linux-gcp

    < 4.15.0-1151.167~16.04.1 | all | < 5.4.0-1106.115 | < 5.15.0-1035.43

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1151.167

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1035.43~20.04.1

  • ubuntu•linux-gcp-5.19

    < 5.19.0-1025.27~22.04.1

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1106.115~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-fips

    < 4.15.0-2059.64 | all | < 5.4.0-1106.115+fips1

  • ubuntu•linux-gke

    < 5.4.0-1100.107 | < 5.15.0-1034.39

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    < 5.15.0-1034.39~20.04.1

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop

    < 5.4.0-1070.74 | < 5.15.0-1021.26

  • ubuntu•linux-gkeop-5.15

    < 5.15.0-1021.26~20.04.1

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe

    < 4.15.0-212.223~16.04.1 | all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    all

  • ubuntu•linux-hwe-5.15

    < 5.15.0-73.80~20.04.1

  • ubuntu•linux-hwe-5.19

    < 5.19.0-43.44~22.04.1

  • ubuntu•linux-hwe-5.4

    < 5.4.0-150.167~18.04.1

Showing first 50 affected entries in server-rendered view.

References (28)