OpenSUSE Linux update for the Linux Kernel
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 11 |
| CVE-ID | CVE-2017-18257 CVE-2018-1000199 CVE-2018-10087 CVE-2018-10124 CVE-2018-1065 CVE-2018-1130 CVE-2018-3639 CVE-2018-5803 CVE-2018-7492 CVE-2018-8781 CVE-2018-8822 |
| CWE-ID | CWE-20 CWE-388 CWE-476 CWE-362 CWE-119 CWE-190 |
| Exploitation vector | Local |
| Public exploit | Public exploit code for vulnerability #10 is available. |
| Vulnerable software |
openSUSE Leap Operating systems & Components / Operating system package or component |
| Vendor | SDB |
Security Bulletin
This security bulletin contains information about 11 vulnerabilities.
1) Improper input validation
EUVDB-ID: #VU11614
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-2017-18257
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists in get_data_block function of the fs/f2fs/data.c library due to improper validation of user-supplied input. A local attacker can run a specially crafted program, designed to send malicious requests to the Linux Kernel and cause the system to stop responding.
Update the affected packages.
openSUSE Leap: 42.3
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-05/msg00099.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.
2) Error handling
EUVDB-ID: #VU12337
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-2018-1000199
CWE-ID:
CWE-388 - Error Handling
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists in the modify_user_hw_breakpoint() function due to error handling flaw. A local attacker can cause the service to crash.
Update the affected packages.
openSUSE Leap: 42.3
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-05/msg00099.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.
3) Improper input validation
EUVDB-ID: #VU11878
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-2018-10087
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists in the kernel_wait4 function in kernel/exit.c due to improper validation of the INT_MIN parameter. A local attacker can trigger an error condition and cause the service to crash.
MitigationUpdate the affected packages.
openSUSE Leap: 42.3
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-05/msg00099.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) Improper input validation
EUVDB-ID: #VU11879
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-2018-10124
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists in the kill_something_info function in kernel/signal.c due to improper validation of input. A local attacker can run a program designed to send malicious requests and cause the service to crash.
MitigationUpdate the affected packages.
openSUSE Leap: 42.3
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-05/msg00099.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.
5) Null pointer dereference
EUVDB-ID: #VU10851
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-2018-1065
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to cause DoS condition no the target system.
The weakness exists due to NULL pointer dereference. A local attacker with the capability to insert iptables/netfilter rules can leverage the CAP_NET_RAW or CAP_NET_ADMIN capability, related to arpt_do_table in net/ipv4/netfilter/arp_tables.c, ipt_do_table in net/ipv4/netfilter/ip_tables.c, and ip6t_do_table in net/ipv6/netfilter/ip6_tables.c, trigger a jump to an invalid chain and cause the system to crash.
Update the affected packages.
openSUSE Leap: 42.3
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-05/msg00099.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.
6) NULL pointer dereference
EUVDB-ID: #VU12585
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-2018-1130
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists in the dccp_write_xmit() function in the net/dccp/output.c source code file due to improper handling of certain system calls. A local attacker can execute specially crafted system calls, trigger NULL pointer dereference and cause the service to crash.
Update the affected packages.
openSUSE Leap: 42.3
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-05/msg00099.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.
7) Speculative Store Bypass
EUVDB-ID: #VU12911
Risk: Low
CVSSv4.0: 4.3 [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:U/U:Clear]
CVE-ID: CVE-2018-3639
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to obtain potentially sensitive information on the target system.
The weakness exists due to race conditions in CPU cache processing. A local attacker can conduct a side-channel attack to exploit a flaw in the speculative execution of Load and Store instructions to read privileged memory.
Note: the vulnerability is referred to as "Spectre variant 4".
Update the affected packages.
openSUSE Leap: 42.3
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-05/msg00099.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.
8) Memory corruption
EUVDB-ID: #VU10812
Risk: Low
CVSSv4.0: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2018-5803
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
Description
The vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists in the _sctp_make_chunk() function due to boundary error. A local attacker can submit a crafted SCTP packet, trigger memory corruption and cause the service to crash.
MitigationUpdate the affected packages.
openSUSE Leap: 42.3
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-05/msg00099.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: #VU10781
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-2018-7492
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
Description
The vulnerability allows a local attacker to cause DoS condition on the target system.
The vulnerability exists due to a NULL pointer dereference in the net/rds/rdma.c __rds_rdma_map() function. A local attacker can cause the system to crash.
MitigationUpdate the affected packages.
openSUSE Leap: 42.3
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-05/msg00099.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.
10) Integer overflow
EUVDB-ID: #VU12338
Risk: Low
CVSSv4.0: 7.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]
CVE-ID: CVE-2018-8781
CWE-ID:
CWE-190 - Integer overflow
Exploit availability: Yes
DescriptionThe vulnerability allows a local attacker to gain elevated privileges on the target system.
The weakness exists in the udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c due to integer overflow. A local attacker can gain full read and write permissions on kernel physical pages and execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
Update the affected packages.
openSUSE Leap: 42.3
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-05/msg00099.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.
11) Privilege escalation
EUVDB-ID: #VU11228
Risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2018-8822
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to gain elevated privileges on the target system.
The weakness exists in the ncp_read_kernel function due to incorrect buffer length handling. A local attacker can submit specially crafted data from a malicious NCPFS server, trigger memory corruption and execute arbitrary code with root privileges.
Update the affected packages.
openSUSE Leap: 42.3
CPE2.3 External linkshttps://lists.opensuse.org/opensuse-security-announce/2018-05/msg00099.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.
