CVE-2023-6622
MEDIUM severity · CVSS 5.5 · CWE-476
5.5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (3)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://bugzilla.redhat.com/show_bug.cgi?id=2253632 ↗
Additional information
- NVD record
- https://bugzilla.redhat.com/show_bug.cgi?id=2253632Patch
- https://github.com/torvalds/linux/commit/3701cd390fd731ee7ae8b8006246c8db82c72beaPatch
- https://access.redhat.com/errata/RHSA-2024:2394Advisory
- https://access.redhat.com/errata/RHSA-2024:2950Advisory
- https://access.redhat.com/errata/RHSA-2024:3138Advisory
- https://access.redhat.com/security/cve/CVE-2023-6622Advisory