title: An out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 (netfilter: nf_tables: Reject tables of unsupported family)
description: An out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 (netfilter: nf_tables: Reject tables of unsupported family); While creating a new netfilter table, lack of a safeguard against invalid nf_tables family (pf) values within `nf_tables_newtable` function enables an attacker to achieve out-of-bounds access.
problem types: CWE-125
affected:
{
packageName: linux
product: linux
vendor: The Linux Kernel Organization
repo: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
platforms: Linux
versions:
lessThan: 5.18-rc1, status: affected, version: 0, versionType: semver
}
metrics:
format: CVSS
cvssV3_1: [
version: 3.1
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
baseScore: 7.8
baseSeverity: HIGH
]
workarounds: Disabling unprivileged user namespaces mitigates the issue.