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atm_tc_enqueue in net/sched/sch_atm.c in the Linux kernel...

Moderate severity Unreviewed Published Jan 12, 2023 to the GitHub Advisory Database • Updated May 3, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

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

References

Published by the National Vulnerability Database Jan 12, 2023
Published to the GitHub Advisory Database Jan 12, 2023
Last updated May 3, 2023

Severity

Moderate
5.5
/ 10

CVSS base metrics

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CVE ID

CVE-2023-23455

GHSA ID

GHSA-vc7q-ccw5-jgw8

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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