Ubuntu Security Notice 2890-2 - It was discovered that a use-after-free vulnerability existed in the AF_UNIX implementation in the Linux kernel. A local attacker could use crafted epoll_ctl calls to cause a denial of service (system crash) or expose sensitive information. It was discovered that the KVM implementation in the Linux kernel did not properly restore the values of the Programmable Interrupt Timer (PIT). A user-assisted attacker in a KVM guest could cause a denial of service in the host (system crash). Various other issues were also addressed.
3017b113d92983c899f5afeb5d0837516181dd39dc3b825adc1dc5398c097593Ubuntu Security Notice 2890-1 - It was discovered that a use-after-free vulnerability existed in the AF_UNIX implementation in the Linux kernel. A local attacker could use crafted epoll_ctl calls to cause a denial of service (system crash) or expose sensitive information. It was discovered that the KVM implementation in the Linux kernel did not properly restore the values of the Programmable Interrupt Timer (PIT). A user-assisted attacker in a KVM guest could cause a denial of service in the host (system crash). Various other issues were also addressed.
7e32a7f6bd16cb21244db5518db99454b3180703f06d5108438bd7cd22d6b567Ubuntu Security Notice 2889-2 - It was discovered that a use-after-free vulnerability existed in the AF_UNIX implementation in the Linux kernel. A local attacker could use crafted epoll_ctl calls to cause a denial of service (system crash) or expose sensitive information. It was discovered that the KVM implementation in the Linux kernel did not properly restore the values of the Programmable Interrupt Timer (PIT). A user-assisted attacker in a KVM guest could cause a denial of service in the host (system crash). Various other issues were also addressed.
564b31acd29d4309f6d5ed60bee09df545d4e7fc86af07e6de9e7651c80d6535Ubuntu Security Notice 2889-1 - It was discovered that a use-after-free vulnerability existed in the AF_UNIX implementation in the Linux kernel. A local attacker could use crafted epoll_ctl calls to cause a denial of service (system crash) or expose sensitive information. It was discovered that the KVM implementation in the Linux kernel did not properly restore the values of the Programmable Interrupt Timer (PIT). A user-assisted attacker in a KVM guest could cause a denial of service in the host (system crash). Various other issues were also addressed.
2f15c368215fa57346ae83a6f4368ff920466293d1af15e29957cc7653bd3e9aUbuntu Security Notice 2890-3 - It was discovered that a use-after-free vulnerability existed in the AF_UNIX implementation in the Linux kernel. A local attacker could use crafted epoll_ctl calls to cause a denial of service (system crash) or expose sensitive information. It was discovered that the KVM implementation in the Linux kernel did not properly restore the values of the Programmable Interrupt Timer (PIT). A user-assisted attacker in a KVM guest could cause a denial of service in the host (system crash). Various other issues were also addressed.
3c1fd9107abb37a2665cc487b029ad27a16d374ef098661f586ea50924991389
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