RHSA-2020:1016: Moderate: kernel security, bug fix, and enhancement update

First published: Tue Mar 31 2020(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: out of bound read in DVB connexant driver. (CVE-2015-9289)</li> <li> kernel: Missing permissions check for request_key() destination allows local attackers to add keys to keyring without Write permission (CVE-2017-17807)</li> <li> kernel: denial of service via ioctl call in network tun handling (CVE-2018-7191)</li> <li> kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)</li> <li> kernel: perf_event_open() and execve() race in setuid programs allows a data leak (CVE-2019-3901)</li> <li> kernel: brcmfmac frame validation bypass (CVE-2019-9503)</li> <li> kernel: null-pointer dereference in hci_uart_set_flow_control (CVE-2019-10207)</li> <li> kernel: sensitive information disclosure from kernel stack memory via HIDPCONNADD command (CVE-2019-11884)</li> <li> kernel: unchecked kstrdup of fwstr in drm_load_edid_firmware leads to denial of service (CVE-2019-12382)</li> <li> kernel: use-after-free in arch/x86/lib/insn-eval.c (CVE-2019-13233)</li> <li> kernel: denial of service in arch/powerpc/kernel/signal_32.c and arch/powerpc/kernel/signal_64.c via sigreturn() system call (CVE-2019-13648)</li> <li> kernel: integer overflow and OOB read in drivers/block/floppy.c (CVE-2019-14283)</li> <li> kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service (CVE-2019-15916)</li> <li> kernel: buffer-overflow hardening in WiFi beacon validation code. (CVE-2019-16746)</li> <li> kernel: (powerpc) incomplete Spectre-RSB mitigation leads to information exposure (CVE-2019-18660)</li> <li> kernel: oob memory read in hso_probe in drivers/net/usb/hso.c (CVE-2018-19985)</li> <li> Kernel: net: weak IP ID generation leads to remote device tracking (CVE-2019-10638)</li> <li> Kernel: net: using kernel space address bits to derive IP ID may potentially break KASLR (CVE-2019-10639)</li> <li> kernel: ASLR bypass for setuid binaries due to late install_exec_creds() (CVE-2019-11190)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.<br>Additional Changes:<br>For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from the References section.

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