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SUSE SLES12 Security Update : kernel (SUSE-SU-2017:2100-1)
high Nessus Plugin ID 102318
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Synopsis
The remote SUSE host is missing one or more security updates.Description
This update for the Linux Kernel 3.12.61-52_72 fixes several issues.The following security bugs were fixed :
- CVE-2017-7533: A bug in inotify code allowed local users to escalate privilege (bsc#1050751).
- CVE-2017-7645: The NFSv2/NFSv3 server in the nfsd subsystem in the Linux kernel allowed remote attackers to cause a denial of service (system crash) via a long RPC reply, related to net/sunrpc/svc.c, fs/nfsd/nfs3xdr.c, and fs/nfsd/nfsxdr.c (bsc#1046191).
- A SUSE Linux Enterprise specific regression in tearing down network namespaces was fixed (bsc#1044878)
- CVE-2017-9242: The __ip6_append_data function in net/ipv6/ip6_output.c in the Linux kernel is too late in checking whether an overwrite of an skb data structure may occur, which allowed local users to cause a denial of service (system crash) via crafted system calls (bsc#1042892).
Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Solution
To install this SUSE Security Update use YaST online_update.Alternatively you can run the command listed for your product :
SUSE Linux Enterprise Server for SAP 12:zypper in -t patch SUSE-SLE-SAP-12-2017-1302=1
SUSE Linux Enterprise Server 12-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-2017-1302=1
To bring your system up-to-date, use 'zypper patch'.
See Also
https://bugzilla.suse.com/show_bug.cgi?id=1042892
https://bugzilla.suse.com/show_bug.cgi?id=1044878
https://bugzilla.suse.com/show_bug.cgi?id=1046191
https://bugzilla.suse.com/show_bug.cgi?id=1050751
https://www.suse.com/security/cve/CVE-2017-7533/
https://www.suse.com/security/cve/CVE-2017-7645/
Plugin Details
Severity: High
ID: 102318
File Name: suse_SU-2017-2100-1.nasl
Version: 3.8
Type: local
Agent: unix
Family: SuSE Local Security Checks
Published: 8/9/2017
Updated: 1/6/2021
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.1
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.7
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:kgraft-patch-3_12_61-52_72-xen, p-cpe:/a:novell:suse_linux:kgraft-patch-3_12_61-52_72-default
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 8/8/2017
Vulnerability Publication Date: 4/18/2017