CVE-2023-42752
Last modified
CVE-2023-42752 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An integer overflow flaw was found in the Linux kernel. This issue leads to the kernel allocating `skb_shared_info` in the userspace, which is exploitable in systems without SMAP protection since `skb_shared_info` contains references to function pointers.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
An integer overflow flaw was found in the Linux kernel. This issue leads to the kernel allocating `skb_shared_info` in the userspace, which is exploitable in systems without SMAP protection since `skb_shared_info` contains references to function pointers.
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 | <= 6.5.7 |
References
- https://access.redhat.com/security/cve/CVE-2023-42752Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2239828Issue Tracking, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-42752Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2239828Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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