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CVE-2015-3636

Date: August 5, 2015

The ping_unhash function in net/ipv4/ping.c in the Linux kernel before 4.0.3 does not initialize a certain list data structure during an unhash operation, which allows local users to gain privileges or cause a denial of service (use-after-free and system crash) by leveraging the ability to make a SOCK_DGRAM socket system call for the IPPROTO_ICMP or IPPROTO_ICMPV6 protocol, and then making a connect system call after a disconnect.

Language: C

Severity Score

6.2

Related Resources (32)

Url: http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00008.html

Url: http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.3

Url: http://rhn.redhat.com/errata/RHSA-2015-1564.html

Url: https://nvd.nist.gov/vuln/detail/CVE-2015-3636

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2015-3636

Url: http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

Url: http://rhn.redhat.com/errata/RHSA-2015-1583.html

Url: http://www.securityfocus.com/bid/74450

Url: http://www.securitytracker.com/id/1033186

Url: http://www.debian.org/security/2015/dsa-3290

Url: http://rhn.redhat.com/errata/RHSA-2015-1221.html

Url: http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html

Url: https://github.com/torvalds/linux/commit/a134f083e79fb4c3d0a925691e732c56911b4326

Url: http://www.ubuntu.com/usn/USN-2633-1

Url: http://www.ubuntu.com/usn/USN-2634-1

Url: http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html

Url: http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00009.html

Url: http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00007.html

Url: http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158804.html

Url: http://rhn.redhat.com/errata/RHSA-2015-1643.html

Url: http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html

Url: http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157788.html

Url: http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00011.html

Url: http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157897.html

Url: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a134f083e79fb4c3d0a925691e732c56911b4326

Url: https://access.redhat.com/security/cve/CVE-2015-3636

Url: http://www.ubuntu.com/usn/USN-2631-1

Url: http://www.openwall.com/lists/oss-security/2015/05/02/5

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1218074

Url: http://rhn.redhat.com/errata/RHSA-2015-1534.html

Url: http://www.ubuntu.com/usn/USN-2632-1

Url: https://www.mend.io/vulnerability-database/CVE-2015-3636

Severity Score

6.2

CVSS v3.1

Base Score:	6.2
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.9
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	COMPLETE
Additional information:

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CVE-2015-3636

Date: August 5, 2015

Language: C

Severity Score

Related Resources (32)

Severity Score

CVSS v3.1

CVSS v2

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