CVE-2023-39189CWE-125

CVE-2023-39189

Medium · published October 9, 2023

CVSS v3.1
5.1
EPSS
0%
Percentile
33.3
In the wild
Unconfirmed
What it is

A flaw was found in the Netfilter subsystem in the Linux kernel. The nfnl_osf_add_callback function did not validate the user mode controlled opt_num field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure.

The record
Technical detail
CVSS v3.1
5.1 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00402 · 33.3th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2023-10-09T22:15Z
Affected products (4)
ProductVersionsFixed in
linux/linux_kernel< 6.66.6
redhat/enterprise_linuxall versions—
redhat/enterprise_linuxall versions—
fedoraproject/fedoraall versions—
References (13)
EPSS history
Timeline
  • 09 OCT 17:57Z
    Kernel: netfilter: nftables out-of-bounds read in nf_osf_match_one()
    cvelistv5