Ubuntu Security Notice 3871-5 - Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service or possibly execute arbitrary code. Wen Xu discovered that a buffer overflow existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
a5d71e69056829a026e081231955a45dd385e4689768c26f0fa5281f7bb32196Ubuntu Security Notice 3871-3 - Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service or possibly execute arbitrary code. Wen Xu discovered that a buffer overflow existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
1041b56c301afb52ce67b7fd6cc20810a44176e8fb1e082b236d07915a47660aUbuntu Security Notice 3879-1 - Wen Xu discovered that the ext4 file system implementation in the Linux kernel could possibly perform an out of bounds write when updating the journal for an inline file. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service. 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. Various other issues were also addressed.
d4c5943e106e709ebaf8cb958548047219fd51242e4b6e55b8450bdf25835215Ubuntu Security Notice 3879-2 - USN-3879-1 fixed vulnerabilities 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. Wen Xu discovered that the ext4 file system implementation in the Linux kernel could possibly perform an out of bounds write when updating the journal for an inline file. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service. Various other issues were also addressed.
3b2d16cc10420bfae074ab35fc894aa0b16179de5f3354dcf218acf4d1e689f7Ubuntu Security Notice 3871-4 - USN-3871-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS. Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
a11206552fc0cabc9183c5f6c62349248af6aeafede8241f7d11f3a3f97109b7Ubuntu Security Notice 3871-2 - USN-3871-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. Unfortunately, that update introduced regressions with docking station displays and mounting ext4 file systems with the meta_bg option enabled. This update fixes the problems. Various other issues were also addressed.
b3e1923af0fea3e3581de72bb292c33d319b54f08b70c8d14fd63f3ae53a3166Ubuntu Security Notice 3871-1 - Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service or possibly execute arbitrary code. Wen Xu discovered that a buffer overflow existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
610a75c7ac7a32b12e02eece3933f2d902097e03a13e3d1b9fd535c83c4f3455Red Hat Security Advisory 2018-2948-01 - The kernel-alt packages provide the Linux kernel version 4.x. Issues addressed include buffer overflow, bypass, denial of service, information leakage, null pointer, and use-after-free vulnerabilities.
b5ac1428b03d1ab918a3b26b7b8a361284bcfa618164f1b2afd1b27d505a0549Red Hat Security Advisory 2018-3083-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include buffer overflow, denial of service, information leakage, null pointer, and use-after-free vulnerabilities.
51bb55b468c741de6d34c15b15988a77197b07fcb781827141ad9999e1700fdcRed Hat Security Advisory 2018-3096-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include buffer overflow, denial of service, information leakage, null pointer, and use-after-free vulnerabilities.
7f59a96ea0227aec7452145ed2d1a67c0ed1e187e5b7fdd0814bef1fa260bd64
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