Ubuntu Security Notice 3677-2 - USN-3677-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.10. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 17.10 for Ubuntu 16.04 LTS. It was discovered that the netfilter subsystem of the Linux kernel did not properly validate ebtables offsets. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
c1953b1b76f2fb20d0c04031dff7e5d9392ec2f294f04ffe2f9f4493d60089fcUbuntu Security Notice 3677-1 - It was discovered that the netfilter subsystem of the Linux kernel did not properly validate ebtables offsets. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. 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 when mounted. Various other issues were also addressed.
b9917730793499eb901655a084ddb9a923d7d0df94773d6f89265ffa68e26866Ubuntu Security Notice 3674-2 - USN-3674-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. It was discovered that the netfilter subsystem of the Linux kernel did not properly validate ebtables offsets. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
d9670de8ee5732e1f317876d13852a8d12a2013a36b3d7dd2d941db95d255de8Ubuntu Security Notice 3674-1 - It was discovered that the netfilter subsystem of the Linux kernel did not properly validate ebtables offsets. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that a NULL pointer dereference existed in the RDS protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service. Various other issues were also addressed.
d808284e76889914a80353a1e3422eace8b93049648e16d9582cece4693fb7c1Ubuntu Security Notice 3654-2 - USN-3654-1 fixed vulnerabilities and added mitigations in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a sidechannel attack. This flaw is known as Spectre Variant 4. A local attacker could use this to expose sensitive information, including kernel memory. Various other issues were also addressed.
de22c970ed2387a5b65d9f771bda19a47f769cd6937f436e2540fe3278eafdccUbuntu Security Notice 3654-1 - Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a sidechannel attack. This flaw is known as Spectre Variant 4. A local attacker could use this to expose sensitive information, including kernel memory. Tuba Yavuz discovered that a double-free error existed in the USBTV007 driver of the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
5f261dbe5831c41c0bd4f2b983165daf32e4b78c0ecc0db3052a95ea2f5075e3Ubuntu Security Notice 3656-1 - Tuba Yavuz discovered that a double-free error existed in the USBTV007 driver of the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that a race condition existed in the F2FS implementation in the Linux kernel. A local attacker could use this to cause a denial of service. Various other issues were also addressed.
a9f3839c7a8545a6f6e3bf93c8de2afcce4efda346b3187919d8f91346066750Debian Linux Security Advisory 4188-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.
c04940bd4f6e00821a6373ebaafc1e5cd084607d9b3667203e468f8e5190068a
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