Vulnerability Details : CVE-2023-23455
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).
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2023-23455
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2023-23455
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
[email protected] |
CWE ids for CVE-2023-23455
-
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.Assigned by: [email protected] (Primary)
References for CVE-2023-23455
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
- https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
-
https://www.openwall.com/lists/oss-security/2023/01/10/1
Mailing List;Third Party Advisory
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https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a2965c7be0522eaa18808684b7b82b248515511b
Patch;Vendor Advisory
-
https://www.openwall.com/lists/oss-security/2023/01/10/4
Mailing List;Third Party Advisory
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https://www.debian.org/security/2023/dsa-5324
Third Party Advisory
Products affected by CVE-2023-23455
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*