USN-3678-3: Linux kernel (Azure) vulnerabilities
Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker could use this to specially craft an ext4 file system that caused a denial of service (system crash) when mounted. (CVE-2018-1092) It was discovered that the 802.11 software simulator implementation in the Linux kernel contained a memory leak when handling certain error conditions. A local attacker could possibly use this to cause a denial of service (memory exhaustion). (CVE-2018-8087) It was discovered that a memory leak existed in the Serial Attached SCSI (SAS) implementation in the Linux kernel. A physically proximate attacker could use this to cause a denial of service (memory exhaustion). (CVE-2018-10021)
Affected Software
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
What is the severity of USN-3678-3?
The severity of USN-3678-3 is medium.
How does the ext4 filesystem vulnerability (CVE-2018-1092) impact Linux kernel?
The ext4 filesystem vulnerability could allow an attacker to create a specially crafted filesystem that causes a denial of service (system crash) when mounted.
What should I do if my system is affected by this vulnerability?
It is recommended to apply the necessary updates or patches provided by your operating system vendor to mitigate the vulnerability.
Where can I find more information about USN-3678-3?
You can find more information about USN-3678-3 on the Ubuntu Security Notice website: https://ubuntu.com/security/USN-3678-3
Are there any known exploits for this vulnerability?
There are no known exploits for this vulnerability at the moment.