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Ubuntu Update for linux USN-4094-1
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'linux' package(s) announced via the USN-4094-1 advisory.
Insight
Insight
It was discovered that the alarmtimer implementation in the Linux kernel contained an integer overflow vulnerability. A local attacker could use this to cause a denial of service. (CVE-2018-13053) Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly track inode validations. An attacker could use this to construct a malicious XFS image that, when mounted, could cause a denial of service (system crash). (CVE-2018-13093) The f2fs file system implementation in the Linux kernel did not properly validate metadata. An attacker could use this to construct a malicious f2fs image that, when mounted, could cause a denial of service (system crash). (CVE-2018-13097, CVE-2018-13099, CVE-2018-13100, CVE-2018-14614, CVE-2018-14616, CVE-2018-13096, CVE-2018-13098, CVE-2018-14615) btrfs file system implementation in the Linux kernel did not properly validate metadata. An attacker could use this to construct a malicious btrfs image that, when mounted, could cause a denial of service (system crash). (CVE-2018-14610, CVE-2018-14611, CVE-2018-14612, CVE-2018-14613, CVE-2018-14609) Wen Xu discovered that the HFS+ filesystem implementation in the Linux kernel did not properly handle malformed catalog data in some situations. An attacker could use this to construct a malicious HFS+ image that, when mounted, could cause a denial of service (system crash). (CVE-2018-14617) Vasily Averin and Pavel Tikhomirov discovered that the cleancache subsystem of the Linux kernel did not properly initialize new files in some situations. A local attacker could use this to expose sensitive information. (CVE-2018-16862) Hui Peng and Mathias Payer discovered that the USB subsystem in the Linux kernel did not properly handle size checks when handling an extra USB descriptor. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2018-20169) It was discovered that a use-after-free error existed in the block layer subsystem of the Linux kernel when certain failure conditions occurred. A local attacker could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-20856) Eli Biham and Lior Neumann discovered that the Bluetooth implementation in the Linux kernel did not properly validate elliptic curve parameters during Diffie-Hellman key exchange in some situations. An attacker could use this to expose sensitive information. (CVE-2018-5383) It was discovered that a heap buffer overflow existed in the Marvell Wireless ... Description truncated. Please see the references for more information.
Affected Software
Affected Software
'linux' package(s) on Ubuntu 18.04 LTS, Ubuntu 16.04 LTS.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
Please install the updated package(s).
Common Vulnerabilities and Exposures (CVE)
- CVE-2018-13053
- CVE-2018-13093
- CVE-2018-13097
- CVE-2018-13099
- CVE-2018-13100
- CVE-2018-14614
- CVE-2018-14616
- CVE-2018-13096
- CVE-2018-13098
- CVE-2018-14615
- CVE-2018-14610
- CVE-2018-14611
- CVE-2018-14612
- CVE-2018-14613
- CVE-2018-14609
- CVE-2018-14617
- CVE-2018-16862
- CVE-2018-20169
- CVE-2018-20856
- CVE-2018-5383
- CVE-2019-10126
- CVE-2019-1125
- CVE-2019-12614
- CVE-2019-12818
- CVE-2019-12819
- CVE-2019-12984
- CVE-2019-13233
- CVE-2019-13272
- CVE-2019-2024
- CVE-2019-2101
- CVE-2019-3846
- CVE-2018-20511