CVE-2023-23454
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
6.1 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
14.3%
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
References
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=caa4b35b4317d5147b3ab0fbdc9c075c7d2e9c12
lists.debian.org/debian-lts-announce/2023/03/msg00000.html
lists.debian.org/debian-lts-announce/2023/05/msg00006.html
www.debian.org/security/2023/dsa-5324
www.openwall.com/lists/oss-security/2023/01/10/1
www.openwall.com/lists/oss-security/2023/01/10/4
Related
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
6.1 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
14.3%