Improper Input Validation Affecting perf package, versions <0:3.10.0-327.el7


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
3.39% (92nd percentile)

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  • Snyk IDSNYK-RHEL7-PERF-5054184
  • published26 Jul 2021
  • disclosed23 Feb 2015

Introduced: 23 Feb 2015

CVE-2015-8215  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade RHEL:7 perf to version 0:3.10.0-327.el7 or higher.
This issue was patched in RHSA-2015:2152.

NVD Description

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

net/ipv6/addrconf.c in the IPv6 stack in the Linux kernel before 4.0 does not validate attempted changes to the MTU value, which allows context-dependent attackers to cause a denial of service (packet loss) via a value that is (1) smaller than the minimum compliant value or (2) larger than the MTU of an interface, as demonstrated by a Router Advertisement (RA) message that is not validated by a daemon, a different vulnerability than CVE-2015-0272. NOTE: the scope of CVE-2015-0272 is limited to the NetworkManager product.

CVSS Scores

version 3.1