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RHEL 8 : kernel-rt (RHSA-2022:7444)

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:7444 advisory. - kernel: off-path attacker may inject data or terminate victim's TCP session (CVE-2020-36516) - kernel: race condition in VT_RESIZEX ioctl when vc_cons[i].d is already NULL leading to NULL pointer dereference (CVE-2020-36558) - kernel: memory leak for large arguments in video_usercopy function in drivers/media/v4l2-core/v4l2-ioctl.c (CVE-2021-30002) - 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 in tc_new_tfilter() in net/sched/cls_api.c (CVE-2022-1055) - kernel: use-after-free and memory errors in ext4 when mounting and operating on a corrupted image (CVE-2022-1184) - kernel: NULL pointer dereference in x86_emulate_insn may lead to DoS (CVE-2022-1852) - kernel: net/packet: slab-out-of-bounds access in packet_recvmsg() (CVE-2022-20368) - kernel: buffer overflow in nft_set_desc_concat_parse() (CVE-2022-2078) - kernel: possible to use the debugger to write zero into a location of choice (CVE-2022-21499) - 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: memory leak in drivers/hid/hid-elo.c (CVE-2022-27950) - 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 when psi trigger is destroyed while being polled (CVE-2022-2938) - kernel: use-after-free due to improper update of reference count in net/sched/cls_u32.c (CVE-2022-29581) - kernel: DoS in nfqnl_mangle in net/netfilter/nfnetlink_queue.c (CVE-2022-36946) Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.


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