CVE-2015-1573

MEDIUM

Linux kernel <3.18.5 - DoS

Title source: llm

Description

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.

References (8)

[Vendor Advisory] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a2f18db0c68fec96631c10cad9384c196e9008ac

[Vendor Advisory] http://rhn.redhat.com/errata/RHSA-2015-1137.html

[Vendor Advisory] http://rhn.redhat.com/errata/RHSA-2015-1138.html

[Vendor Advisory] http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5

[Issue Tracking] https://bugzilla.redhat.com/show_bug.cgi?id=1190966

[Vendor Advisory] https://github.com/torvalds/linux/commit/a2f18db0c68fec96631c10cad9384c196e9008ac

View Writeup ZIP pw:eip

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/72552

[Mailing List] http://www.openwall.com/lists/oss-security/2015/02/10/13

Scores

CVSS v3 5.5

EPSS 0.0004

EPSS Percentile 12.7%

Attack Vector LOCAL

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-19

Status draft

Affected Products (1)

linux/linux_kernel < 3.18.4

Timeline

Published May 02, 2016

Tracked Since Feb 18, 2026