CVEvulnerability
CVE-2023-42755
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2023-10-05
- Last modified
- 2026-10-15
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-125
Description
A flaw was found in the IPv4 Resource Reservation Protocol (RSVP) classifier in the Linux kernel. The xprt pointer may go beyond the linear part of the skb, leading to an out-of-bounds read in the `rsvp_classify` function. This issue may allow a local user to crash the system and cause a denial of service.
Affected configurations
• linux linux kernel (< 6.3)
• redhat enterprise linux 8.0
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://access.redhat.com/errata/RHSA-2024:2950 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:3138 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2023-42755 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2239847 Issue Tracking, Patch, Third Party Advisory
- https://seclists.org/oss-sec/2023/q3/229 Exploit, Mailing List, Patch, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:2950 access.redhat.com
- https://access.redhat.com/errata/RHSA-2024:3138 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2023-42755 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2239847 Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html lists.debian.org
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html lists.debian.org
- https://seclists.org/oss-sec/2023/q3/229 Exploit, Mailing List, Patch, Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html cert-portal.siemens.com