CVE-2023-31248 (GCVE-0-2023-31248)

Vulnerability from cvelistv5 – Published: 2023-07-05 18:33 – Updated: 2025-03-05 18:54
VLAI
Title
Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability
Summary
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
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Kernel Affected: v5.9-rc1
Create a notification for this product.
Date Public
2023-07-05 12:12
Credits
Mingi Cho
Show details on NVD website
To clipboard 

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  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.