RHEL 9 : kernel-rt (RHSA-2022:7933)


The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:7933 advisory. - kernel: off-path attacker may inject data or terminate victim's TCP session (CVE-2020-36516) - kernel: use-after-free vulnerability in function sco_sock_sendmsg() (CVE-2021-3640) - kernel: smb2_ioctl_query_info NULL pointer dereference (CVE-2022-0168) - kernel: NULL pointer dereference in udf_expand_file_adinicbdue() during writeback (CVE-2022-0617) - kernel: swiotlb information leak with DMA_FROM_DEVICE (CVE-2022-0854) - kernel: uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM (CVE-2022-1016) - kernel: race condition in snd_pcm_hw_free leading to use-after-free (CVE-2022-1048) - kernel: use-after-free and memory errors in ext4 when mounting and operating on a corrupted image (CVE-2022-1184) - kernel: concurrency use-after-free between drm_setmaster_ioctl and drm_mode_getresources (CVE-2022-1280) - kernel: kernel info leak issue in pfkey_register (CVE-2022-1353) - kernel: use-after-free in ath9k_htc_probe_device() could cause an escalation of privileges (CVE-2022-1679) - kernel: NULL pointer dereference in x86_emulate_insn may lead to DoS (CVE-2022-1852) - kernel: fanotify misuses fd_install() which could lead to use-after-free (CVE-2022-1998) - kernel: net/packet: slab-out-of-bounds access in packet_recvmsg() (CVE-2022-20368) - hw: cpu: incomplete clean-up of multi-core shared buffers (aka SBDR) (CVE-2022-21123) - hw: cpu: incomplete clean-up of microarchitectural fill buffers (aka SBDS) (CVE-2022-21125) - hw: cpu: incomplete clean-up in specific special register write operations (aka DRPW) (CVE-2022-21166) - kernel: possible to use the debugger to write zero into a location of choice (CVE-2022-21499) - CVE-2022-29900 hw: cpu: AMD: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-23816) - hw: cpu: AMD: Branch Type Confusion (non-retbleed) (CVE-2022-23825) - kernel: nfs_atomic_open() returns uninitialized data instead of ENOTDIR (CVE-2022-24448) - kernel: nf_tables cross-table potential use-after-free may lead to local privilege escalation (CVE-2022-2586) - hw: cpu: Intel: Post-barrier Return Stack Buffer Predictions (CVE-2022-26373) - kernel: openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size() (CVE-2022-2639) - kernel: double free in ems_usb_start_xmit in drivers/net/can/usb/ems_usb.c (CVE-2022-28390) - kernel: use after free in SUNRPC subsystem (CVE-2022-28893) - kernel: use-after-free due to improper update of reference count in net/sched/cls_u32.c (CVE-2022-29581) - CVE-2022-23816 hw: cpu: AMD: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-29900) - hw: cpu: Intel: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-29901) - kernel: DoS in nfqnl_mangle in net/netfilter/nfnetlink_queue.c (CVE-2022-36946) - kernel: nf_tables disallow binding to already bound chain (CVE-2022-39190) Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.