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An integer overflow was found in the Linux kernel's vmwgfx driver. This flaw allows a local, unprivileged attacker with access to either /dev/dri/card0 or /dev/dri/rendererD128, and able to issue an ioctl() on the resulting file descriptor to crash the system, causing a denial of service.

A use-after-free flaw was found in the Linux kernel's Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 ("ovl: fix use after free in struct ovl_aio_req") not applied yet, the kernel could be affected.

The host is installed with kernel on RHEL 5, 6, or 7 and is prone to a buffer overflow vulnerability. A flaw is present in the application, which fails to properly handle kernel's virtio-net handled fragmented packets. Successful exploitation could allow attackers to send crafted packets to a target system.

Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a speculative buffer overflow and side-channel analysis.

In the Linux kernel through 4.20.11, af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free in sockfs_setattr.

The host is installed with ntp on Red Hat Enterprise Linux 5, 6 or 7 and is prone to a denial of service vulnerability. A flaw is present in the application, which fails to properly handle a mode 6 or mode 7 packet containing an unusually long data. Successful exploitation could allow attackers to crash ntpd.

The host is installed with ntp on Red Hat Enterprise Linux 5, 6 or 7 and is prone to a denial of service vulnerability. A flaw is present in the application, which fails to properly handle a packet with particular autokey operations. Successful exploitation could allow attackers to crash ntpd.

The host is installed with ntp on Red Hat Enterprise Linux 5, 6 or 7 and is prone to a denial of service vulnerability. A flaw is present in the application, which fails to properly handle a packet with particular autokey operations. Successful exploitation could allow attackers to crash ntpd.

The host is installed with ntp on Red Hat Enterprise Linux 5, 6 or 7 and is prone to a denial of service vulnerability. A flaw is present in the application, which fails to properly handle a packet with particular autokey operations. Successful exploitation could allow attackers to crash ntpd.

The host is installed with ntp on Red Hat Enterprise Linux 5, 6 or 7 and is prone to a memory corruption vulnerability. A flaw is present in the application, which fails to properly handle an invalid length field. Successful exploitation could could cause a buffer overflow potentially resulting in memory being modified.


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