SUSE Linux update for the Linux Kernel
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 9 |
| CVE-ID | CVE-2015-1142857 CVE-2017-13215 CVE-2017-17741 CVE-2017-18017 CVE-2017-18079 CVE-2017-5715 CVE-2018-1000004 CVE-2018-5332 CVE-2018-5333 |
| CWE-ID | CWE-284 CWE-264 CWE-125 CWE-416 CWE-476 CWE-200 CWE-362 CWE-787 |
| Exploitation vector | Network |
| Public exploit |
Public exploit code for vulnerability #6 is available. Public exploit code for vulnerability #9 is available. |
| Vulnerable software |
SUSE Linux Operating systems & Components / Operating system |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains information about 9 vulnerabilities.
1) Improper access control
EUVDB-ID: #VU11460
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2015-1142857
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to sending ethernet flow control pause frames via the PF. A remote attacker can trigger network congestion spreading and cause the service to crash.
Update the affected packages.
SUSE Linux: 11
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-03/msg00070.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Privilege escalation
EUVDB-ID: #VU10938
Risk: High
CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2017-13215
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain elevated privileges on the target system.
The weakness exists due to a flaw in the Upstream kernel skcipher. A remote attacker can trick the victim into opening a specially crafted application and execute arbitrary code with elevated privileges.
Update the affected packages.
SUSE Linux: 11
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-03/msg00070.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Out-of-bounds read
EUVDB-ID: #VU9773
Risk: Low
CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2017-17741
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists due to an error in the KVM implementation in the Linux kernel. A local attacker can trigger write_mmio stack-based out-of-bounds read or possibly have unspecified other impact, related to arch/x86/kvm/x86.c and include/trace/events/kvm.h and cause the system to crash.
Successful exploitation of the vulnerability results in denial of service.
Update the affected packages.
SUSE Linux: 11
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-03/msg00070.html
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Use-after-free error
EUVDB-ID: #VU10678
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2017-18017
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition no the target system.
The weakness exists in the tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c in the Linux kernel due to use-after-free error. A remote attacker can leverage the presence of xt_TCPMSS in an iptables action, trigger memory corruption and cause the system to crash.
Update the affected packages.
SUSE Linux: 11
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-03/msg00070.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
5) Null pointer dereference
EUVDB-ID: #VU10939
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2017-18079
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the drivers/input/serio/i8042.c due to the port->exists value can change after it is validated. A remote attacker can trigger NULL pointer dereference and cause the system to crash.
Update the affected packages.
SUSE Linux: 11
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-03/msg00070.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
6) Information disclosure
EUVDB-ID: #VU9883
Risk: Low
CVSSv4.0: 5.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]
CVE-ID: CVE-2017-5715
CWE-ID:
CWE-200 - Information exposure
Exploit availability: Yes
DescriptionThe vulnerability allows a local attacker to obtain potentially sensitive information.
The vulnerability exists in Intel CPU hardware due to improper implementation of the speculative execution of instructions. A local attacker can utilize branch target injection, execute arbitrary code, perform a side-channel attack and read sensitive memory information.
MitigationUpdate the affected packages.
SUSE Linux: 11
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-03/msg00070.html
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
7) Race condition
EUVDB-ID: #VU10679
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2018-1000004
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to race condition in the sound system. A remote attacker can trigger deadlock and cause the system to crash.
Update the affected packages.
SUSE Linux: 11
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-03/msg00070.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
8) Heap out-of-bounds write
EUVDB-ID: #VU10002
Risk: Low
CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2018-5332
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists in the rds_message_alloc_sgs() function due to improper validation of DMA page allocation values. A local attacker can trigger a heap-based out-of-bounds write and cause the system to crash.
Update the affected packages.
SUSE Linux: 11
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-03/msg00070.html
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
9) Null pointer dereference
EUVDB-ID: #VU10001
Risk: Medium
CVSSv4.0: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:A/U:Green]
CVE-ID: CVE-2018-5333
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the rds_cmsg_atomic function due to insufficient handling of user-supplied input. A remote attacker can send a specially crafted HTTP request, trigger NULL pointer dereference and cause the system to crash.
Update the affected packages.
SUSE Linux: 11
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-03/msg00070.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.
