The nft_flush_table function in net/netfilter/nf_tables_api.c in the Linux kernel before…
Priority LOW 25CWE-19Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.
Summary
The nft_flush_table function in net/netfilter/nf_tables_api.c in the Linux kernel before 3.18.5 mishandles the interaction between cross-chain jumps and ruleset flushes, which allows local users to cause a denial of service (panic) by leveraging the CAP_NET_ADMIN capability.
Why it matters now
EPSS 0.00367 30th percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 3 advisories
- RHSA-2015:1137 Released 2015-06-23 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-229.7.2.el7, kernel-abi-whitelists-3.10.0-229.7.2.el7, kernel-debug-3.10.0-229.7.2.el7 +7
- Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-229.7.2.el7, python-perf-3.10.0-229.7.2.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-229.7.2.el7, kernel-abi-whitelists-3.10.0-229.7.2.el7, kernel-debug-3.10.0-229.7.2.el7 +7
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-229.7.2.el7, python-perf-3.10.0-229.7.2.el7
- Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-229.7.2.ael7b, kernel-3.10.0-229.7.2.el7, kernel-abi-whitelists-3.10.0-229.7.2.ael7b +20
- Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-229.7.2.ael7b, kernel-tools-libs-devel-3.10.0-229.7.2.ael7b, kernel-tools-libs-devel-3.10.0-229.7.2.el7 +2
- Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-229.7.2.el7, kernel-abi-whitelists-3.10.0-229.7.2.el7, kernel-debug-3.10.0-229.7.2.el7 +7
- Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-229.7.2.el7, python-perf-3.10.0-229.7.2.el7
- RHSA-2015:1138 Released 2015-06-23 · Red Hat rating Importantkernel-rt security, bug fix, and enhancement update
- Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-1:3.10.0-229.rt56.153.el6rt, kernel-rt-debug-1:3.10.0-229.rt56.153.el6rt, kernel-rt-debug-devel-1:3.10.0-229.rt56.153.el6rt +7
- RHSA-2015:1139 Released 2015-06-23 · Red Hat rating Importantkernel-rt security, bug fix, and enhancement update
- Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-229.7.2.rt56.141.6.el7_1, kernel-rt-debug-3.10.0-229.7.2.rt56.141.6.el7_1, kernel-rt-debug-devel-3.10.0-229.7.2.rt56.141.6.el7_1 +4
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2015:1137 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2015:1137 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2015:1137 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2015:1137 |
| Red Hat Enterprise Linux Realtime (v. 7) | Fixed | RHSA-2015:1139 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2015:1137 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2015:1137 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2015:1137 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2015:1137 |
| Red Hat MRG Realtime for RHEL 6 Server v.2 | Fixed | RHSA-2015:1138 |
Not affected: 2 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2015-1573
- 2026-10-03 Alias added: GHSA-395m-2555-53cr
References
Advisory 4
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2015-1573 · CVE Program
- CVE-2015-1573 · NVD
- FIRST EPSS
- GHSA-395m-2555-53cr · GitHub Advisory Database · CC BY 4.0
- CVE-2015-1573 · Red Hat security data · CC BY 4.0
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