UnratedFix available
kernel: Fix of 13 CVEs
Type: advisorySources: OSV
- 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} -
- Products
- bpftool, kernel, kernel-core, kernel-cross-headers, kernel-debug, kernel-debug-core, kernel-debug-devel, kernel-debug-modules, kernel-debug-modules-extra, kernel-debug-modules-internal, kernel-devel, kernel-headers, kernel-ipaclones-internal, kernel-modules, kernel-modules-extra, kernel-modules-internal, kernel-selftests-internal, kernel-tools, kernel-tools-libs, kernel-tools-libs-devel, perf, python3-perf
- Affected versions
- Not specified
- Fixed versions
- 4.18.0-305.25.1.el8_4.tuxcare.els47
- CVEs
- CVE-2025-21758, CVE-2025-21759, CVE-2025-21760, CVE-2025-21761, CVE-2025-21763, CVE-2025-21764, CVE-2025-21765, CVE-2025-21766, CVE-2025-40075, CVE-2025-40135, CVE-2025-40158, CVE-2025-40170, CVE-2025-68188, CVE-2026-23112, CVE-2026-31787, CVE-2026-43198, CVE-2026-64266, CVE-2026-64298, CVE-2026-64564, CVE-2026-68287
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:53 UTC · Revision 1
Source evidence
- 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} -
osv:CLSA-2026-1787571818
bpftool
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel-core
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel-cross-headers
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel-debug
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel-debug-core
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel-debug-devel
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel-debug-modules
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel-debug-modules-extra
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel-debug-modules-internal
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel-devel
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel-headers
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel-ipaclones-internal
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel-modules
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel-modules-extra
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel-modules-internal
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel-selftests-internal
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel-tools
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel-tools-libs
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
kernel-tools-libs-devel
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
perf
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
python3-perf
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els47
Complete source record
{
"id": "b935e2b9b265012150b93b61c02a5497d599838b4e8af0e240b367af65b440ee",
"url": "https://osv.dev/vulnerability/CLSA-2026-1787571818",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "kernel: Fix of 13 CVEs",
"summary": "- 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} - ",
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"aliases": [
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],
"modified": "2026-10-26T09:43:39.868566423Z",
"provider": "osv",
"upstream": [
"CVE-2025-21758",
"CVE-2025-21759",
"CVE-2025-21760",
"CVE-2025-21761",
"CVE-2025-21763",
"CVE-2025-21764",
"CVE-2025-21765",
"CVE-2025-21766",
"CVE-2025-40075",
"CVE-2025-40135",
"CVE-2025-40158",
"CVE-2025-40170",
"CVE-2025-68188",
"CVE-2026-23112",
"CVE-2026-31787",
"CVE-2026-43198",
"CVE-2026-64266",
"CVE-2026-64298",
"CVE-2026-64564",
"CVE-2026-68287"
],
"references": [
"https://errata.tuxcare.com/els_os/centos8.4els/CLSA-2026-1787571818.html",
"https://nvd.nist.gov/vuln/detail/CVE-2025-21758",
"https://nvd.nist.gov/vuln/detail/CVE-2025-21759",
"https://nvd.nist.gov/vuln/detail/CVE-2025-21760",
"https://nvd.nist.gov/vuln/detail/CVE-2025-21761",
"https://nvd.nist.gov/vuln/detail/CVE-2025-21763",
"https://nvd.nist.gov/vuln/detail/CVE-2025-21765",
"https://nvd.nist.gov/vuln/detail/CVE-2026-23112",
"https://nvd.nist.gov/vuln/detail/CVE-2026-31787",
"https://nvd.nist.gov/vuln/detail/CVE-2026-43198",
"https://nvd.nist.gov/vuln/detail/CVE-2026-64266",
"https://nvd.nist.gov/vuln/detail/CVE-2026-64298",
"https://nvd.nist.gov/vuln/detail/CVE-2026-64564",
"https://nvd.nist.gov/vuln/detail/CVE-2026-68287"
]
},
"related_cves": [
{
"value": "CVE-2025-21758",
"evidence": "/upstream"
},
{
"value": "CVE-2025-21759",
"evidence": "/upstream"
},
{
"value": "CVE-2025-21760",
"evidence": "/upstream"
},
{
"value": "CVE-2025-21761",
"evidence": "/upstream"
},
{
"value": "CVE-2025-21763",
"evidence": "/upstream"
},
{
"value": "CVE-2025-21764",
"evidence": "/upstream"
},
{
"value": "CVE-2025-21765",
"evidence": "/upstream"
},
{
"value": "CVE-2025-21766",
"evidence": "/upstream"
},
{
"value": "CVE-2025-40075",
"evidence": "/upstream"
},
{
"value": "CVE-2025-40135",
"evidence": "/upstream"
},
{
"value": "CVE-2025-40158",
"evidence": "/upstream"
},
{
"value": "CVE-2025-40170",
"evidence": "/upstream"
},
{
"value": "CVE-2025-68188",
"evidence": "/upstream"
},
{
"value": "CVE-2026-23112",
"evidence": "/upstream"
},
{
"value": "CVE-2026-31787",
"evidence": "/upstream"
},
{
"value": "CVE-2026-43198",
"evidence": "/upstream"
},
{
"value": "CVE-2026-64266",
"evidence": "/upstream"
},
{
"value": "CVE-2026-64298",
"evidence": "/upstream"
},
{
"value": "CVE-2026-64564",
"evidence": "/upstream"
},
{
"value": "CVE-2026-68287",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 450061,
"published_at": "2026-08-24T11:44:03+00:00"
}