Debian Security Advisory DSA 3329-1 (linux - security update)

Published: 2015-08-11 06:31:25
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:C

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

Affected Versions:
linux on Debian Linux

Recommendations:
For the oldstable distribution (wheezy), these problems have been fixed in version 3.2.68-1+deb7u3. CVE-2015-1333, CVE-2015-4692 and CVE-2015-5706 do not affect the wheezy distribution. For the stable distribution (jessie), these problems have been fixed in version 3.16.7-ckt11-1+deb8u3, except CVE-2015-5364 and CVE-2015-5366 which were fixed already in DSA-3313-1. For the unstable distribution (sid), these problems have been fixed in version 4.1.3-1 or earlier versions. We recommend that you upgrade your linux Linux Distribution Packages.

Summary:
Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leak. CVE-2015-1333 Colin Ian King discovered a flaw in the add_key function of the Linux kernel's keyring subsystem. A local user can exploit this flaw to cause a denial of service due to memory exhaustion. CVE-2015-3212 Ji Jianwen of Red Hat Engineering discovered a flaw in the handling of the SCTPs automatic handling of dynamic multi-homed connections. A local attacker could use this flaw to cause a crash or potentially for privilege escalation. CVE-2015-4692 A NULL pointer dereference flaw was found in the kvm_apic_has_events function in the KVM subsystem. A unprivileged local user could exploit this flaw to crash the system kernel resulting in denial of service. CVE-2015-4700 Daniel Borkmann discovered a flaw in the Linux kernel implementation of the Berkeley Packet Filter which can be used by a local user to crash the system. CVE-2015-5364 It was discovered that the Linux kernel does not properly handle invalid UDP checksums. A remote attacker could exploit this flaw to cause a denial of service using a flood of UDP packets with invalid checksums. CVE-2015-5366 It was discovered that the Linux kernel does not properly handle invalid UDP checksums. A remote attacker can cause a denial of service against applications that use epoll by injecting a single packet with an invalid checksum. CVE-2015-5697 A flaw was discovered in the md driver in the Linux kernel leading to an information leak. CVE-2015-5706 An user triggerable use-after-free vulnerability in path lookup in the Linux kernel could potentially lead to privilege escalation. CVE-2015-5707 An integer overflow in the SCSI generic driver in the Linux kernel was discovered. A local user with write permission on a SCSI generic device could potentially exploit this flaw for privilege escalation.

Detection Method:
This check tests the installed software version using the apt Linux Distribution Package manager.

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2015-1333
https://nvd.nist.gov/vuln/detail/CVE-2015-3212
https://nvd.nist.gov/vuln/detail/CVE-2015-4692
https://nvd.nist.gov/vuln/detail/CVE-2015-4700
https://nvd.nist.gov/vuln/detail/CVE-2015-5364
https://nvd.nist.gov/vuln/detail/CVE-2015-5366
https://nvd.nist.gov/vuln/detail/CVE-2015-5697
https://nvd.nist.gov/vuln/detail/CVE-2015-5706
https://nvd.nist.gov/vuln/detail/CVE-2015-5707

References:

http://www.debian.org/security/2015/dsa-3329.html

Severity
High
CVSS Score
7.8
Published
2015-08-11
Modified
2019-03-18
Category
Debian Local Security Checks

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