USN-3697-1: Linux kernel vulnerabilities
It was discovered that a null pointer dereference vulnerability existed in the DCCP protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2018-1130) Jann Horn discovered that the 32 bit adjtimex() syscall implementation for 64 bit Linux kernels did not properly initialize memory returned to user space in some situations. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2018-11508) Wang Qize discovered that an information disclosure vulnerability existed in the SMBus driver for ACPI Embedded Controllers in the Linux kernel. A local attacker could use this to expose sensitive information (kernel pointer addresses). (CVE-2018-5750) It was discovered that the SCTP Protocol implementation in the Linux kernel did not properly validate userspace provided payload lengths in some situations. A local attacker could use this to cause a denial of service (system crash). (CVE-2018-5803) It was discovered that an integer overflow error existed in the futex implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2018-6927) It was discovered that an information leak vulnerability existed in the floppy driver in the Linux kernel. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2018-7755) It was discovered that a memory leak existed in the SAS driver subsystem of the Linux kernel. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2018-7757)
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
ubuntu/linux-image-genericto a version that resolves this vulnerability.Fixed in 4.13.0.46.49 - Upgrade
Upgrade
ubuntu/linux-image-generic-lpaeto a version that resolves this vulnerability.Fixed in 4.13.0.46.49 - Upgrade
Upgrade
ubuntu/linux-image-4.13.0-1023-raspi2to a version that resolves this vulnerability.Fixed in 4.13.0-1023.24 - Upgrade
Upgrade
ubuntu/linux-image-4.13.0-46-genericto a version that resolves this vulnerability.Fixed in 4.13.0-46.51 - Upgrade
Upgrade
ubuntu/linux-image-4.13.0-46-generic-lpaeto a version that resolves this vulnerability.Fixed in 4.13.0-46.51 - Upgrade
Upgrade
ubuntu/linux-image-lowlatencyto a version that resolves this vulnerability.Fixed in 4.13.0.46.49 - Upgrade
Upgrade
ubuntu/linux-image-raspi2to a version that resolves this vulnerability.Fixed in 4.13.0.1023.21 - Upgrade
Upgrade
ubuntu/linux-image-4.13.0-46-lowlatencyto a version that resolves this vulnerability.Fixed in 4.13.0-46.51
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2018-1130.
What is the severity of CVE-2018-1130?
The severity of CVE-2018-1130 is not specified.
What is the affected software version?
The affected software version is Linux kernel 4.13.0-46-generic.
How does CVE-2018-1130 impact the system?
CVE-2018-1130 can be used by a local attacker to cause a denial of service (system crash) on the Linux kernel.
How can I fix the CVE-2018-1130 vulnerability?
To fix the CVE-2018-1130 vulnerability, upgrade to Linux kernel version 4.13.0.46.49 or higher.