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Status published
Medium
CVE-2023-42755
Kernel: rsvp: out-of-bounds read in rsvp_classify()
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Red Hat
View all reports →Affected Software
Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 9
Vulnerable Versions:
0:4.18.0-553.rt7.342.el8_10, 0:4.18.0-553.el8_10
Timeline
Official Publish:
October 5th, 2023
Last Modified:
November 8th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H