CVE-2023-42752CWE-190

Kernel: integer overflow in igmpv3_newpack leading to exploitable memory access

Medium · published October 13, 2023

CVSS v3.1
5.5
EPSS
0%
Percentile
19.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00278 · 19.2th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2023-10-13T01:41Z
EPSS history
Timeline
  • 13 OCT 01:41Z
    Kernel: integer overflow in igmpv3_newpack leading to exploitable memory access
    cvelistv5