CVE-2023-4147CWE-416

Kernel: netfilter: nf_tables_newrule when adding a rule with nfta_rule_chain_id leads to use-after-free

High · published August 7, 2023

CVSS v3.1
7.8
EPSS
1%
Percentile
45.8
In the wild
Unconfirmed
What it is

A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00559 · 45.8th percentile
Weakness
CWE-416 · Use After Free
Published
2023-08-07T13:19Z
EPSS history
Timeline
  • 07 AUG 13:19Z
    Kernel: netfilter: nf_tables_newrule when adding a rule with nfta_rule_chain_id leads to use-after-free
    cvelistv5