{"id":"CLSA-2026-1780079196","summary":"kernel: Fix of 24 CVEs","details":"- scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count() {CVE-2026-23216}\n- e1000: fix OOB in e1000_tbi_should_accept() {CVE-2025-71093}\n- dm btree remove: fix use after free in rebalance_children() {CVE-2021-47600}\n- libceph: make decode_pool() more resilient against corrupted osdmaps {CVE-2025-71116}\n- net/sched: act_skbmod: Skip non-Ethernet packets {CVE-2021-47293}\n- scsi: scsi_debug: Fix out-of-bound read in resp_report_tgtpgs() {CVE-2021-47219}\n- drm: Fix use-after-free read in drm_getunique() {CVE-2021-47280}\n- net: validate lwtstate-\u003edata before returning from skb_tunnel_info() {CVE-2021-47309}\n- regmap: Fix possible double-free in regcache_rbtree_exit() {CVE-2021-47483}\n- netfilter: nftables: avoid overflows in nft_hash_buckets() {CVE-2021-46992}\n- ALSA: seq: Fix race of snd_seq_timer_open() {CVE-2021-47281}\n- netfilter: synproxy: Fix out of bounds when parsing TCP options {CVE-2021-47245}\n- scsi: scsi_debug: Fix out-of-bound read in resp_readcap16() {CVE-2021-47191}\n- media: ngene: Fix out-of-bounds bug in ngene_command_config_free_buf() {CVE-2021-47288}\n- scsi: scsi_debug: Sanity check block descriptor length in resp_mode_select() {CVE-2021-47576}\n- net/mlx4_en: Fix an use-after-free bug in mlx4_en_try_alloc_resources() {CVE-2021-47541}\n- Squashfs: check metadata block offset is within range {CVE-2026-23388}\n- net: ipv6: ndisc: fix ndisc_ra_useropt to initialize nduseropt_padX fields to zero to prevent an info-leak {CVE-2026-43040}\n- ALSA: ctxfi: Fix potential OOB access in audio mixer handling {CVE-2026-23076}\n- ALSA: ctxfi: Limit PTP to a single page {CVE-2026-31602}\n- ext4: fix null-ptr-deref in ext4_write_info {CVE-2022-50344}\n- netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table() {CVE-2026-43450}\n- smb: client: reject userspace cifs.spnego descriptions\n- ALSA: caiaq: fix stack out-of-bounds read in init_card {CVE-2026-31778}","modified":"2026-10-26T09:43:15.867776834Z","published":"2026-07-28T11:58:22Z","upstream":["CVE-2021-46992","CVE-2021-47191","CVE-2021-47219","CVE-2021-47245","CVE-2021-47280","CVE-2021-47281","CVE-2021-47288","CVE-2021-47293","CVE-2021-47309","CVE-2021-47483","CVE-2021-47541","CVE-2021-47576","CVE-2021-47600","CVE-2022-50344","CVE-2025-71093","CVE-2025-71116","CVE-2026-23076","CVE-2026-23216","CVE-2026-23388","CVE-2026-31602","CVE-2026-31778","CVE-2026-43040","CVE-2026-43450"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos8.4els/CLSA-2026-1780079196.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-46992"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47191"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47219"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47245"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47280"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47281"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47288"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47293"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47309"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47483"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47541"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47576"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47600"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50344"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-71093"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-71116"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23076"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23216"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23388"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31602"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31778"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43040"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43450"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46243"}],"affected":[{"package":{"name":"bpftool","ecosystem":"TuxCare:CentOS:8.4","purl":"pkg:rpm/tuxcare/bpftool?distro=centos-8.4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-305.25.1.el8_4.tuxcare.els41"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1780079196.json"}},{"package":{"name":"kernel","ecosystem":"TuxCare:CentOS:8.4","purl":"pkg:rpm/tuxcare/kernel?distro=centos-8.4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-305.25.1.el8_4.tuxcare.els41"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1780079196.json"}},{"package":{"name":"kernel-core","ecosystem":"TuxCare:CentOS:8.4","purl":"pkg:rpm/tuxcare/kernel-core?distro=centos-8.4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-305.25.1.el8_4.tuxcare.els41"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1780079196.json"}},{"package":{"name":"kernel-cross-headers","ecosystem":"TuxCare:CentOS:8.4","purl":"pkg:rpm/tuxcare/kernel-cross-headers?distro=centos-8.4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-305.25.1.el8_4.tuxcare.els41"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1780079196.json"}},{"package":{"name":"kernel-debug","ecosystem":"TuxCare:CentOS:8.4","purl":"pkg:rpm/tuxcare/kernel-debug?distro=centos-8.4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-305.25.1.el8_4.tuxcare.els41"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1780079196.json"}},{"package":{"name":"kernel-debug-core","ecosystem":"TuxCare:CentOS:8.4","purl":"pkg:rpm/tuxcare/kernel-debug-core?distro=centos-8.4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-305.25.1.el8_4.tuxcare.els41"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1780079196.json"}},{"package":{"name":"kernel-debug-devel","ecosystem":"TuxCare:CentOS:8.4","purl":"pkg:rpm/tuxcare/kernel-debug-devel?distro=centos-8.4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-305.25.1.el8_4.tuxcare.els41"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/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