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CVE-2023-31248

HIGH
Published 2023-07-05T18:33:59.665Z
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CVSS Score

V3.1
7.8
/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.199
Higher than 19.9% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

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

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Linux

Linux Kernel

Affected Versions:

v5.9-rc1

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-vr3g-637q-4rh6

Advisory Details

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

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-31248
WEB https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/RGZC5XOANA75OJ4XARBBXYSLDKUIJI5E
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/UPHI46ROSSLVAV4R5LJWJYU747JGOS6D
WEB https://lore.kernel.org/netfilter-devel/[email protected]/T
WEB https://security.netapp.com/advisory/ntap-20240201-0001
WEB https://www.debian.org/security/2023/dsa-5453
WEB https://www.openwall.com/lists/oss-security/2023/07/05/2
WEB http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html
WEB http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html
WEB http://www.openwall.com/lists/oss-security/2023/07/05/2

Advisory provided by GitHub Security Advisory Database. Published: July 5, 2023, Modified: December 12, 2023

References

https://lore.kernel.org/netfilter-devel/[email protected]/T/
https://www.openwall.com/lists/oss-security/2023/07/05/2
http://www.openwall.com/lists/oss-security/2023/07/05/2
https://www.debian.org/security/2023/dsa-5453
https://lists.fedoraproject.org/archives/list/[email protected]/message/UPHI46ROSSLVAV4R5LJWJYU747JGOS6D/
https://lists.fedoraproject.org/archives/list/[email protected]/message/RGZC5XOANA75OJ4XARBBXYSLDKUIJI5E/
http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html
https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html
http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html
https://security.netapp.com/advisory/ntap-20240201-0001/
Published: 2023-07-05T18:33:59.665Z
Last Modified: 2025-03-05T18:54:52.842Z
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