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CVE-2023-42755

UNKNOWN
Published 2023-10-05T18:25:23.117Z
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CVSS Score

V3.1
6.5
/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.308
Higher than 30.8% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Red Hat

Red Hat Enterprise Linux 8

Affected Versions:

0:4.18.0-553.rt7.342.el8_10
Red Hat

Red Hat Enterprise Linux 8

Affected Versions:

0:4.18.0-553.el8_10
Red Hat

Red Hat Enterprise Linux 6

Red Hat

Red Hat Enterprise Linux 7

Red Hat

Red Hat Enterprise Linux 7

Red Hat

Red Hat Enterprise Linux 9

Red Hat

Red Hat Enterprise Linux 9

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-qhrq-6m4q-9x2x

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-42755
WEB https://access.redhat.com/errata/RHSA-2024:2950
WEB https://access.redhat.com/errata/RHSA-2024:3138
WEB https://access.redhat.com/security/cve/CVE-2023-42755
WEB https://bugzilla.redhat.com/show_bug.cgi?id=2239847
WEB https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
WEB https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
WEB https://seclists.org/oss-sec/2023/q3/229

Advisory provided by GitHub Security Advisory Database. Published: October 5, 2023, Modified: May 22, 2024

References

https://access.redhat.com/errata/RHSA-2024:2950
https://access.redhat.com/errata/RHSA-2024:3138
https://access.redhat.com/security/cve/CVE-2023-42755
https://bugzilla.redhat.com/show_bug.cgi?id=2239847
https://seclists.org/oss-sec/2023/q3/229
Published: 2023-10-05T18:25:23.117Z
Last Modified: 2024-11-15T17:06:17.133Z
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