CVE-2023-42752 MEDIUM

CVE-2023-42752: Kernel: integer overflow in igmpv3_newpack leading to exploitable memory access

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-190
Published October 13, 2023
Last update August 2, 2024
View on NVD All CVEs

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 13, 2023 CVE published
August 2, 2024 Record updated