DEBIAN-CVE-2023-23454

Advisory lineage Upstream: 1 Downstream: 3
Published: 12 Jan 2023, 07:15
Last modified:28 Apr 2026, 20:25

Vulnerability Summary

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

Timeline

12 Jan 2023, 07:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:25
Last Modified
Vulnerability information updated

Description

cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service (slab-out-of-bounds read) because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results).

CVSS Metrics

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

Affected Systems

  • debianlinux

    < 5.10.162-1 | < 6.1.7-1 | < 6.1.7-1 | < 6.1.7-1

References (1)