RHSA-2022:7444: Moderate: kernel-rt security and bug fix update

First published: Tue Nov 08 2022(Updated: )

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.<br>Security Fix(es):<br><li> off-path attacker may inject data or terminate victim's TCP session (CVE-2020-36516)</li> <li> Race condition in VT_RESIZEX ioctl when vc_cons[i].d is already NULL leading to NULL pointer dereference (CVE-2020-36558)</li> <li> use-after-free vulnerability in function sco_sock_sendmsg() (CVE-2021-3640)</li> <li> Memory leak for large arguments in video_usercopy function in drivers/media/v4l2-core/v4l2-ioctl.c (CVE-2021-30002)</li> <li> smb2_ioctl_query_info NULL Pointer Dereference (CVE-2022-0168)</li> <li> NULL pointer dereference in udf_expand_file_adinicbdue() during writeback (CVE-2022-0617)</li> <li> swiotlb information leak with DMA_FROM_DEVICE (CVE-2022-0854)</li> <li> Uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM (CVE-2022-1016)</li> <li> Race condition in snd_pcm_hw_free leading to use-after-free (CVE-2022-1048)</li> <li> use-after-free in tc_new_tfilter() in net/sched/cls_api.c (CVE-2022-1055)</li> <li> use-after-free and memory errors in ext4 when mounting and operating on a corrupted image (CVE-2022-1184)</li> <li> NULL pointer dereference in x86_emulate_insn may lead to DoS (CVE-2022-1852)</li> <li> buffer overflow in nft_set_desc_concat_parse() (CVE-2022-2078)</li> <li> nf_tables cross-table potential use-after-free may lead to local privilege escalation (CVE-2022-2586)</li> <li> openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size() (CVE-2022-2639)</li> <li> use-after-free when psi trigger is destroyed while being polled (CVE-2022-2938)</li> <li> net/packet: slab-out-of-bounds access in packet_recvmsg() (CVE-2022-20368)</li> <li> possible to use the debugger to write zero into a location of choice (CVE-2022-21499)</li> <li> Post-barrier Return Stack Buffer Predictions (CVE-2022-26373)</li> <li> Memory leak in drivers/hid/hid-elo.c (CVE-2022-27950)</li> <li> Double free in ems_usb_start_xmit in drivers/net/can/usb/ems_usb.c (CVE-2022-28390)</li> <li> Use after free in SUNRPC subsystem (CVE-2022-28893)</li> <li> use-after-free due to improper update of reference count in net/sched/cls_u32.c (CVE-2022-29581)</li> <li> DoS in nfqnl_mangle in net/netfilter/nfnetlink_queue.c (CVE-2022-36946)</li> <li> nfs_atomic_open() returns uninitialized data instead of ENOTDIR (CVE-2022-24448)</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 8.7 Release Notes linked from the References section.

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

• agent/description
• agent/event
• agent/first-publish-date
• agent/last-modified-date
• agent/references
• agent/remedy
• agent/severity
• agent/softwarecombine
• agent/tags
• agent/title
• agent/type
• agent/weakness
• collector/redhat-errata
• source/Red Hat
• anchor-id/RHSA-2022:7444
• agent/software-canonical-lookup
• package-manager/redhat