CVE-2015-1573 Information

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.

CVSS Vector

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

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a2f18db0c68fec96631c10cad9384c196e9008ac http://rhn.redhat.com/errata/RHSA-2015-1137.html http://rhn.redhat.com/errata/RHSA-2015-1138.html http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5 http://www.openwall.com/lists/oss-security/2015/02/10/13 http://www.securityfocus.com/bid/72552 https://bugzilla.redhat.com/show_bug.cgi?id=1190966 https://github.com/torvalds/linux/commit/a2f18db0c68fec96631c10cad9384c196e9008ac

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5