CVE-2023-42755
Last modified
CVE-2023-42755 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 6.3 |
| Redhat | Enterprise Linux | 8.0 |
| Debian | Debian Linux | 10.0 |
References
- https://access.redhat.com/security/cve/CVE-2023-42755Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2239847Issue Tracking, Patch, Third Party Advisory
- https://seclists.org/oss-sec/2023/q3/229Exploit, Mailing List, Patch, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-42755Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2239847Issue Tracking, Patch, Third Party Advisory
- https://seclists.org/oss-sec/2023/q3/229Exploit, Mailing List, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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