CVE Vulnerability

CVE-2023-23454

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).

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=caa4b35b4317d5147b3ab0fbdc9c075c7d2e9c12 Patch Vendor Advisory
https://www.openwall.com/lists/oss-security/2023/01/10/4 Mailing List Third Party Advisory
https://www.openwall.com/lists/oss-security/2023/01/10/1 Mailing List Third Party Advisory
https://www.debian.org/security/2023/dsa-5324 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Information

Published : 2023-01-12 07:15

Updated : 2023-01-30 03:17

NVD link : CVE-2023-23454

Mitre link : CVE-2023-23454

Products Affected
No products.
CWE
CWE-843