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Fencer Intel
medium 5.5

CVE-2015-1573 json

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-ch…

published 2016-05-02 10 y ago modified 2026-06-17 4 mo ago also EUVD-2015-1705

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits
0
none known

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.

Patch / fix

  • kernel-rt enterprise mrg 2 1:3.10.0-229.rt56.153.el6rt
  • kernel-rt-trace enterprise mrg 2 1:3.10.0-229.rt56.153.el6rt
  • kernel-rt-vanilla enterprise mrg 2 1:3.10.0-229.rt56.153.el6rt
  • kernel-rt-firmware enterprise mrg 2 1:3.10.0-229.rt56.153.el6rt
  • kernel-rt-debuginfo-common-x86_64 enterprise mrg 2 1:3.10.0-229.rt56.153.el6rt
  • kernel RHEL 7 3.10.0-229.7.2.el7
  • kernel RHEL 7 3.10.0-229.7.2.ael7b
  • perf RHEL 7 3.10.0-229.7.2.el7

red hat advisories RHSA-2015:1138RHSA-2015:1137RHSA-2015:1139

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-1573 updated cvss 2.4

kernel: panic while flushing nftables rules that reference deleted chains.

  • Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-229.7.2.el7, kernel 3.10.0-229.7.2.el7, kernel-tools 3.10.0-229.7.2.el7, kernel-tools-libs 3.10.0-229.7.2.el7, kernel-abi-whitelists 3.10.0-229.7.2.el7, kernel-debuginfo-common-x86_64 3.10.0-229.7.2.el7 Red Hat Enterprise Linux Client Optional (v. 7) python-perf 3.10.0-229.7.2.el7, kernel-debuginfo-common-x86_64 3.10.0-229.7.2.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-229.7.2.el7, kernel 3.10.0-229.7.2.el7, kernel-tools 3.10.0-229.7.2.el7, kernel-tools-libs 3.10.0-229.7.2.el7, kernel-abi-whitelists 3.10.0-229.7.2.el7, kernel-debuginfo-common-x86_64 3.10.0-229.7.2.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) python-perf 3.10.0-229.7.2.el7, kernel-debuginfo-common-x86_64 3.10.0-229.7.2.el7
    fixed: vendor fix RHSA-2015:1137
  • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt 3.10.0-229.7.2.rt56.141.6.el7_1, kernel-rt-trace 3.10.0-229.7.2.rt56.141.6.el7_1, kernel-rt-debuginfo-common-x86_64 3.10.0-229.7.2.rt56.141.6.el7_1
    fixed: vendor fix RHSA-2015:1139
  • Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-229.7.2.el7, kernel 3.10.0-229.7.2.el7, perf 3.10.0-229.7.2.ael7b, kernel 3.10.0-229.7.2.ael7b, kernel-kdump 3.10.0-229.7.2.el7, kernel-tools 3.10.0-229.7.2.el7, +11 more Red Hat Enterprise Linux Server Optional (v. 7) python-perf 3.10.0-229.7.2.el7, python-perf 3.10.0-229.7.2.ael7b, kernel-debuginfo-common-ppc64 3.10.0-229.7.2.el7, kernel-debuginfo-common-s390x 3.10.0-229.7.2.el7, kernel-debuginfo-common-x86_64 3.10.0-229.7.2.el7, kernel-debuginfo-common-ppc64le 3.10.0-229.7.2.ael7b Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-229.7.2.el7, kernel 3.10.0-229.7.2.el7, kernel-tools 3.10.0-229.7.2.el7, kernel-tools-libs 3.10.0-229.7.2.el7, kernel-abi-whitelists 3.10.0-229.7.2.el7, kernel-debuginfo-common-x86_64 3.10.0-229.7.2.el7 Red Hat Enterprise Linux Workstation Optional (v. 7) python-perf 3.10.0-229.7.2.el7, kernel-debuginfo-common-x86_64 3.10.0-229.7.2.el7
    fixed: vendor fix RHSA-2015:1137
  • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.10.0-229.rt56.153.el6rt, kernel-rt-trace 3.10.0-229.rt56.153.el6rt, kernel-rt-vanilla 3.10.0-229.rt56.153.el6rt, kernel-rt-firmware 3.10.0-229.rt56.153.el6rt, kernel-rt-debuginfo-common-x86_64 3.10.0-229.rt56.153.el6rt
    fixed: vendor fix RHSA-2015:1138
  • Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-19 Data Processing Errors
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.