CVE-2023-42755

medium

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.

References

https://seclists.org/oss-sec/2023/q3/229

https://bugzilla.redhat.com/show_bug.cgi?id=2239847

https://access.redhat.com/security/cve/CVE-2023-42755

https://access.redhat.com/errata/RHSA-2024:3138

https://access.redhat.com/errata/RHSA-2024:2950

Details

Source: Mitre, NVD

Published: 2023-10-05

Updated: 2024-09-13

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium