RHEL 8 : kernel-rt (RHSA-2020:4609)


The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4609 advisory. - kernel: use-after-free in drivers/bluetooth/hci_ldisc.c (CVE-2019-15917) - kernel: out-of-bounds access in function hclge_tm_schd_mode_vnet_base_cfg (CVE-2019-15925) - kernel: null-pointer dereference in drivers/net/fjes/fjes_main.c (CVE-2019-16231) - kernel: null pointer dereference in drivers/scsi/qla2xxx/qla_os.c (CVE-2019-16233) - kernel: memory leak in ccp_run_sha_cmd() function in drivers/crypto/ccp/ccp-ops.c (CVE-2019-18808) - kernel: memory leak in af9005_identify_state() function in drivers/media/usb/dvb-usb/af9005.c (CVE-2019-18809) - kernel: Denial Of Service in the __ipmi_bmc_register() function in drivers/char/ipmi/ipmi_msghandler.c (CVE-2019-19046) - kernel: A memory leak in the mwifiex_pcie_alloc_cmdrsp_buf() function in drivers/net/wireless/marvell/mwifiex/pcie.c allows to cause DoS (CVE-2019-19056) - kernel: memory leak in the crypto_report() function in crypto/crypto_user_base.c allows for DoS (CVE-2019-19062) - kernel: Two memory leaks in the rtl_usb_probe() function in drivers/net/wireless/realtek/rtlwifi/usb.c allow for a DoS (CVE-2019-19063) - kernel: A memory leak in the rtl8xxxu_submit_int_urb() function in drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c allows for a DoS (CVE-2019-19068) - kernel: A memory leak in the predicate_parse() function in kernel/trace/trace_events_filter.c allows for a DoS (CVE-2019-19072) - kernel: out-of-bounds write in ext4_xattr_set_entry in fs/ext4/xattr.c (CVE-2019-19319) - Kernel: kvm: OOB memory write via kvm_dev_ioctl_get_cpuid (CVE-2019-19332) - kernel: mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c (CVE-2019-19447) - kernel: a malicious USB device in the drivers/input/ff-memless.c leads to use-after-free (CVE-2019-19524) - kernel: information leak bug caused by a malicious USB device in the drivers/media/usb/ttusb- dec/ttusb_dec.c (CVE-2019-19533) - kernel: race condition caused by a malicious USB device in the USB character device driver layer (CVE-2019-19537) - kernel: use-after-free in serial_ir_init_module() in drivers/media/rc/serial_ir.c (CVE-2019-19543) - kernel: use-after-free in __ext4_expand_extra_isize and ext4_xattr_set_entry related to fs/ext4/inode.c and fs/ext4/super.c (CVE-2019-19767) - kernel: use-after-free in debugfs_remove in fs/debugfs/inode.c (CVE-2019-19770) - kernel: Null pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c (CVE-2019-20054) - kernel: out-of-bounds write via crafted keycode table (CVE-2019-20636) - kernel: kernel pointer leak due to WARN_ON statement in video driver leads to local information disclosure (CVE-2019-9455) - kernel: use after free due to race condition in the video driver leads to local privilege escalation (CVE-2019-9458) - kernel: possible use-after-free due to a race condition in cdev_get of char_dev.c (CVE-2020-0305) - kernel: uninitialized kernel data leak in userspace coredumps (CVE-2020-10732) - kernel: SELinux netlink permission check bypass (CVE-2020-10751) - kernel: possibility of memory disclosure when reading the file /proc/sys/kernel/rh_features (CVE-2020-10774) - kernel: vhost-net: stack overflow in get_raw_socket while checking sk_family field (CVE-2020-10942) - kernel: out-of-bounds write in mpol_parse_str function in mm/mempolicy.c (CVE-2020-11565) - kernel: mishandles invalid descriptors in drivers/media/usb/gspca/xirlink_cit.c (CVE-2020-11668) - kernel: sync of excessive duration via an XFS v5 image with crafted metadata (CVE-2020-12655) - kernel: xdp_umem_reg in net/xdp/xdp_umem.c has an out-of-bounds write which could result in crash and data coruption (CVE-2020-12659) - kernel: sg_write function lacks an sg_remove_request call in a certain failure case (CVE-2020-12770) - kernel: possible to send arbitrary signals to a privileged (suidroot) parent process (CVE-2020-12826) - kernel: referencing inode of removed superblock in get_futex_key() causes UAF (CVE-2020-14381) - kernel: soft-lockups in iov_iter_copy_from_user_atomic() could result in DoS (CVE-2020-25641) - kernel: out-of-bounds read in in vc_do_resize function in drivers/tty/vt/vt.c (CVE-2020-8647) - kernel: use-after-free in n_tty_receive_buf_common function in drivers/tty/n_tty.c (CVE-2020-8648) - kernel: invalid read location in vgacon_invert_region function in drivers/video/console/vgacon.c (CVE-2020-8649) - kernel: use-after-free in route4_change() in net/sched/cls_route.c (CVE-2021-3715) Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.