{"id":"ALSA-2022:7444","summary":"Moderate: kernel-rt security and bug fix update","details":"The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* off-path attacker may inject data or terminate victim's TCP session (CVE-2020-36516)\n* Race condition in VT_RESIZEX ioctl when vc_cons[i].d is already NULL leading to NULL pointer dereference (CVE-2020-36558)\n* use-after-free vulnerability in function sco_sock_sendmsg() (CVE-2021-3640)\n* Memory leak for large arguments in video_usercopy function in drivers/media/v4l2-core/v4l2-ioctl.c (CVE-2021-30002)\n* smb2_ioctl_query_info NULL Pointer Dereference (CVE-2022-0168)\n* NULL pointer dereference in udf_expand_file_adinicbdue() during writeback (CVE-2022-0617)\n* swiotlb information leak with DMA_FROM_DEVICE (CVE-2022-0854)\n* Uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM (CVE-2022-1016)\n* Race condition in snd_pcm_hw_free leading to use-after-free (CVE-2022-1048)\n* use-after-free in tc_new_tfilter() in net/sched/cls_api.c (CVE-2022-1055)\n* use-after-free and memory errors in ext4 when mounting and operating on a corrupted image (CVE-2022-1184)\n* NULL pointer dereference in x86_emulate_insn may lead to DoS (CVE-2022-1852)\n* buffer overflow in nft_set_desc_concat_parse() (CVE-2022-2078)\n* nf_tables cross-table potential use-after-free may lead to local privilege escalation (CVE-2022-2586)\n* openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size() (CVE-2022-2639)\n* use-after-free when psi trigger is destroyed while being polled (CVE-2022-2938)\n* net/packet: slab-out-of-bounds access in packet_recvmsg() (CVE-2022-20368)\n* possible to use the debugger to write zero into a location of choice (CVE-2022-21499)\n* Post-barrier Return Stack Buffer Predictions (CVE-2022-26373)\n* Memory leak in drivers/hid/hid-elo.c (CVE-2022-27950)\n* Double free in ems_usb_start_xmit in drivers/net/can/usb/ems_usb.c (CVE-2022-28390)\n* Use after free in SUNRPC subsystem (CVE-2022-28893)\n* use-after-free due to improper update of reference count in net/sched/cls_u32.c (CVE-2022-29581)\n* DoS in nfqnl_mangle in net/netfilter/nfnetlink_queue.c (CVE-2022-36946)\n* nfs_atomic_open() returns uninitialized data instead of ENOTDIR (CVE-2022-24448)\n\nFor 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.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.","modified":"2026-01-30T02:06:00.013931Z","published":"2022-11-08T00:00:00Z","related":["CVE-2020-36516","CVE-2020-36558","CVE-2021-30002","CVE-2021-3640","CVE-2022-0168","CVE-2022-0617","CVE-2022-0854","CVE-2022-1016","CVE-2022-1048","CVE-2022-1055","CVE-2022-1184","CVE-2022-1852","CVE-2022-20368","CVE-2022-2078","CVE-2022-21499","CVE-2022-24448","CVE-2022-2586","CVE-2022-26373","CVE-2022-2639","CVE-2022-27950","CVE-2022-28390","CVE-2022-28893","CVE-2022-2938","CVE-2022-29581","CVE-2022-36946"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2022:7444"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2020-36516"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2020-36558"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2021-30002"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2021-3640"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-0168"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-0617"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-0854"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-1016"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-1048"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-1055"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-1184"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-1852"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-20368"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-2078"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-21499"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-24448"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-2586"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-26373"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-2639"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-27950"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-28390"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-28893"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-2938"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-29581"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-36946"},{"type":"REPORT","url":"https://bugzilla.redhat.com/1946279"},{"type":"REPORT","url":"https://bugzilla.redhat.com/1980646"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2037386"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2051444"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2053632"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2058395"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2059928"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2066614"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2066706"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2069408"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2070205"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2070220"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2073064"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2074208"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2084183"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2084479"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2088021"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2089815"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2096178"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2112693"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2114878"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2115065"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2115278"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2120175"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2123695"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2022-7444.html"}],"affected":[{"package":{"name":"kernel-rt","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-425.3.1.rt7.213.el8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:7444.json"}},{"package":{"name":"kernel-rt-core","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-425.3.1.rt7.213.el8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:7444.json"}},{"package":{"name":"kernel-rt-debug","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-debug"},"r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