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cve[email protected]CVE-2023-23454
HistoryJan 12, 2023 - 7:15 a.m.

CVE-2023-23454

2023-01-1207:15:08
CWE-843
web.nvd.nist.gov
284
nvd
cve-2023-23454
linux kernel
denial of service
type confusion
net/sched/sch_cbq.c
slab-out-of-bounds read

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.4%

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).

Affected configurations

NVD
Node
linuxlinux_kernelRange2.6.126.1.4
Node
debiandebian_linuxMatch11.0

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.4%