[CLSA-2026:1787572220] kernel: Fix of 15 CVEs
Type:
security
Severity:
Critical
Release date:
2026-08-24 11:50:43 UTC
Description:
- FIX: tls: Use __sk_dst_get() and dst_dev_rcu() in get_netdev_for_sock(). {CVE-2025-40149} - mpls: Use in6_dev_rcu() and dev_net_rcu() in mpls_forward() and mpls_xmit(). - net: l3mdev: use skb_dst_dev_rcu() in l3mdev_l3_out() - ipv4: start using dst_dev_rcu() - tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check() {CVE-2025-68188} - tcp_metrics: use dst_dev_net_rcu() {CVE-2025-40075} - net: use dst_dev_rcu() in sk_setup_caps() {CVE-2025-40170} - udp6: Fix race condition in udp6_sendmsg & connect - ipv6: use RCU in ip6_output() {CVE-2025-40158} - ipv6: use RCU in ip6_xmit() {CVE-2025-40135} - ipv6: start using dst_dev_rcu() - net: dst: introduce dst->dev_rcu - neighbour: accept plain RCU readers in ___neigh_lookup_noref() {CVE-2025-40158} - net: Add locking to protect skb->dev access in ip_output - ipv6: adopt skb_dst_dev() and skb_dst_dev_net[_rcu]() helpers - ipv6: adopt dst_dev() helper - ipv4: adopt dst_dev, skb_dst_dev and skb_dst_dev_net[_rcu] - net: dst: add four helpers to annotate data-races around dst->dev - tcp: convert to dev_net_rcu() - tcp: fix potential race in tcp_v6_syn_recv_sock() {CVE-2026-43198} - ndisc: ndisc_send_redirect() cleanup - ndisc: ndisc_send_redirect() must use dev_get_by_index_rcu() - ipv4: use RCU protection in ip_dst_mtu_maybe_forward() - ipv6: icmp: convert to dev_net_rcu() - ipv4: icmp: convert to dev_net_rcu() - ipv4: use RCU protection in __ip_rt_update_pmtu() {CVE-2025-21766} - ipv6: use RCU protection in ip6_default_advmss() {CVE-2025-21765} - fix: ndisc: use RCU protection in ndisc_alloc_skb() {CVE-2025-21764} - neighbour: use RCU protection in __neigh_notify() {CVE-2025-21763} - arp: use RCU protection in arp_xmit() {CVE-2025-21762} - openvswitch: use RCU protection in ovs_vport_cmd_fill_info() {CVE-2025-21761} - ndisc: extend RCU protection in ndisc_send_skb() {CVE-2025-21760} - ipv6: mcast: extend RCU protection in igmp6_send() {CVE-2025-21759} - ipv6: mcast: add RCU protection to mld_newpack() {CVE-2025-21758} - ipv4: use RCU protection in rt_is_expired() - ipv4: use RCU protection in inet_select_addr() - ipv4: add RCU protection to ip4_dst_hoplimit() - flow_dissector: use RCU protection to fetch dev_net() - net: add dev_net_rcu() helper - net: treat possible_net_t net pointer as an RCU one and add read_pnet_rcu() - Revert "net: add dst_dev_rcu() helper for safe dst->dev access" - Revert "net: use dst_dev_rcu() in sk_setup_caps() {CVE-2025-40170}" - Revert "ipv6: use RCU for dst->dev access in ip6_xmit, ip6_output, ip6_finish_output2 {CVE-2025-40135} {CVE-2025-40158}" - nvmet-tcp: propagate nvmet_tcp_build_pdu_iovec() errors to its callers {CVE-2026-23112} - Buffer overflow in drivers/xen/sys-hypervisor.c {CVE-2026-31786} - xen/privcmd: fix double free via VMA splitting {CVE-2026-31787} - dlm: validate length in dlm_search_rsb_tree {CVE-2026-43125} - nvmet-tcp: add bounds checks in nvmet_tcp_build_pdu_iovec {CVE-2026-23112} - NFSv4: include MAY_WRITE in open permission mask for O_TRUNC {CVE-2026-64298} - fuse: re-lock request before returning from fuse_ref_folio() {CVE-2026-64266} - drop_monitor: fix size calculations for 64-bit attributes {CVE-2026-68287} - sctp: don't free the ASCONF's own transport in DEL-IP processing {CVE-2026-64564}
Updated packages:
  • bpftool-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:98ae0228435e4cfa8330e25f31b562ed218616a0b8fbd7db6b33cb32abbcbdb8
  • kernel-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:b34299f60e9ff3902317e60b36d969c28654bb7e2f8c8f2b9add9fbd268e641f
  • kernel-core-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:559c1c78170ea2a51accdd7f65d5cdeb2b91f77356210be403ca13d9df07da80
  • kernel-cross-headers-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:aaa52633467512b49cd058690fdf77c0346d16fc8ee6174f9804a901c0693573
  • kernel-debug-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:e80c654cb7dba14766ad2f4ec90b72b0005de28bfa40f9045860b6f7a941a333
  • kernel-debug-core-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:ecdf66fead9c7d1e1ec60a4deef5d98a47848d0d3c4eb755e92d92ffb1b1c753
  • kernel-debug-devel-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:4ff6d57c999c321f297b78dc9432759044ad21effd1377cded10e25291fa9c74
  • kernel-debug-modules-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:5fe654f2cd7d7a0e46d709a2869138d6c001850520aaca7e65c5ff8d31b10ec4
  • kernel-debug-modules-extra-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:deb379f3bb61c3347042bd7079de90b274c7f8e457d276cb8af4365f72214e64
  • kernel-debug-modules-internal-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:8b9a25d857375d476cb635e3fea7cae31684fb90a16ce4ccd191e058670685da
  • kernel-devel-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:a27f6ab3e6fe70675a5b5eb79357a6a9b0bf5193ad05f60d0036b3421b58f2fb
  • kernel-headers-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:f9cb194ca523dbea7a4f5ff4ce83c44aa6cbc295d7a69d917b57e70fab2f1f56
  • kernel-ipaclones-internal-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:04ba52e1e37994694f36bd5b3fe2809161ebbd91e64aa7fe6877d64456b25fbe
  • kernel-modules-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:0b0cc41d2e99cf3c1d98cf3d971b54ff5975a9b51a58218e967872454dccb44c
  • kernel-modules-extra-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:ddef5085868ac8d59ec3e404f1506ec9aad2cc71f07c46532400f6d15c8a150c
  • kernel-modules-internal-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:69adae2e04619ab1dbf1e3fa1eecba9504c8f7a76d8f99c42f1546e9b6cb5b22
  • kernel-selftests-internal-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:bd2d90ccdd214f1abb973c13159d3b526c12431661fd8b34b6a8475bc552ba21
  • kernel-tools-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:fafc6404e31b70068d721cc6d471ce0d27be8eebf0deedab8bcc1dbac0e83248
  • kernel-tools-libs-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:4c317951579dd6fcc7506f463c57d023980b84bf3985417802524321f60f43d9
  • kernel-tools-libs-devel-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:5b4db493f726581e3052367c73564f2696514f540af8346504eccaa7245e5654
  • perf-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:4a5def78665f87432645c1fe425a56653db2717ca67f7bde78c7e9b7743f5e48
  • python3-perf-4.18.0-348.7.1.el8_5.tuxcare.els47.x86_64.rpm
    sha:11dc831c9a63f86efa77091abedf4866903ffb4d46a2447227c32aa07af10314
Notes:
This page is generated automatically and has not been checked for errors. For clarification or corrections please contact the CloudLinux Packaging Team.