Description
Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; `nft_chain_lookup_byid()` failed to check whether a chain was active and CAP_NET_ADMIN is in any user or network namespace
Published: 2023-07-05
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3512-1 linux-5.10 security update
Debian DSA Debian DSA DSA-5453-1 linux security update
EUVD EUVD EUVD-2023-35563 Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; `nft_chain_lookup_byid()` failed to check whether a chain was active and CAP_NET_ADMIN is in any user or network namespace
Ubuntu USN Ubuntu USN USN-6246-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6247-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6248-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6250-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6255-1 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-6260-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6285-1 Linux kernel (OEM) vulnerabilities
History

Wed, 05 Mar 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Subscriptions

Canonical Ubuntu Linux
Debian Debian Linux
Fedoraproject Fedora
Linux Linux Kernel
Redhat Enterprise Linux Rhel Eus
cve-icon MITRE

Status: PUBLISHED

Assigner: canonical

Published:

Updated: 2025-03-05T18:54:52.842Z

Reserved: 2023-06-29T21:43:35.029Z

Link: CVE-2023-31248

cve-icon Vulnrichment

Updated: 2024-08-02T14:53:31.000Z

cve-icon NVD

Status : Modified

Published: 2023-07-05T19:15:09.713

Modified: 2024-11-21T08:01:42.340

Link: CVE-2023-31248

cve-icon Redhat

Severity : Important

Publid Date: 2023-07-05T00:00:00Z

Links: CVE-2023-31248 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses