Home/CVE/A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset.c in nf_tables in th
CVE

CVE-2023-6622

A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset.c in nf_tables in th

A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset.c in nf_tables in the Linux kernel. This issue may allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service.

MEDIUM · CVSS 5.5 EPSS 0.00011
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

4
fedoraproject fedoraall versions
linux kernel>= 5.11 and <= 6.6
linux kernelall versions
redhat enterprise linuxall versions
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Dec 2023 · 06:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

17
rhsaRHSA-2024:2394Low
rhsaRHSA-2024:3138Moderate
rhsaRHSA-2024:2950Moderate
usnUSN-6652-1
usnUSN-6626-3
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://access.redhat.com/security/cve/CVE-2023-6622Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2253632Issue TrackingPatch
https://github.com/torvalds/linux/commit/3701cd390fd731ee7ae8b8006246c8db82c72beaPatch
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AAOVK2F3ALGKYIQ5IOMAYEC2DGI7BWAW/Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G3AGDVE3KBLOOYBPISFDS74R4YAZEDAY/Third Party Advisory
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