A memory leak problem was found in ctnetlink_create_conntrack in net/netfilter/nf_conntrack_netlink.c in the Linux Kernel. This issue may allow a local attacker with CAP_NET_ADMIN privileges to cause a denial of service (DoS) attack due to a refcount overflow.
A memory leak problem was found in ctnetlink_create_conntrack in net/netfilter/nf_conntrack_netlink.c in the Linux Kernel. This issue may allow a local attacker with CAP_NET_ADMIN privileges to cause a denial of service (DoS) attack due to a refcount overflow.
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | 0:4.18.0-193.133.1.el8_2 |
| Red Hat | Red Hat Enterprise Linux 8.2 Telecommunications Update Service | 0:4.18.0-193.133.1.rt13.184.el8_2 |
| Red Hat | Red Hat Enterprise Linux 8.2 Telecommunications Update Service | 0:4.18.0-193.133.1.el8_2 |
| Red Hat | Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions | 0:4.18.0-193.133.1.el8_2 |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | 0:4.18.0-305.125.1.el8_4 |
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | 0:4.18.0-305.125.1.rt7.201.el8_4 |
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | 0:4.18.0-305.125.1.el8_4 |
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | 0:4.18.0-305.125.1.el8_4 |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support | 0:4.18.0-372.95.1.el8_6 |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | 0:4.18.0-477.51.1.el8_8 |
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | 0:5.14.0-70.93.2.el9_0 |
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | 0:5.14.0-70.93.1.rt21.165.el9_0 |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | 0:5.14.0-284.52.1.el9_2 |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | 0:5.14.0-284.52.1.rt14.337.el9_2 |
| Red Hat | Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 | 0:4.18.0-372.95.1.el8_6 |
| Red Hat | Red Hat Enterprise Linux 6 | unspecified |
| Red Hat | Red Hat Enterprise Linux 7 | unspecified |
| Red Hat | Red Hat Enterprise Linux 7 | unspecified |
| Red Hat | Red Hat Enterprise Linux 8 | unspecified |
| Red Hat | Red Hat Enterprise Linux 8 | unspecified |
| Red Hat | Red Hat Enterprise Linux 9 | unspecified |
| Red Hat | Red Hat Enterprise Linux 9 | unspecified |
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.