Use After Free Affecting perf package, versions <0:3.10.0-229.7.2.el7


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-CENTOS7-PERF-2049788
  • published26 Jul 2021
  • disclosed16 Jan 2015

Introduced: 16 Jan 2015

CVE-2015-1573  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:7 perf to version 0:3.10.0-229.7.2.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

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 Scores

version 3.1