UnratedFix available
kernel: Fix of 9 CVEs
Type: advisorySources: OSV
- KVM: x86: Check for invalid/obsolete root *after* making MMU pages available {CVE-2026-64561} - dm cache: fix null-deref with concurrent writes in passthrough mode {CVE-2026-53064} - wifi: rtlwifi: pci: fix possible use-after-free caused by unfinished irq_prepare_bcn_tasklet {CVE-2026-53112} - RDMA/siw: Fix a use after free in siw_alloc_mr {CVE-2021-47012} - ipv6: prevent possible UaF in addrconf_permanent_addr() {CVE-2026-43339} - netfilter: nf_conntrack_h323: fix OOB read in decode_choice() {CVE-2026-43233} - Bluetooth: SMP: force responder MITM requirements before building the pairing response {CVE-2026-43334} - arp: use RCU protection in arp_xmit() {CVE-2025-21762} - vsock: fix buffer size clamping order {CVE-2026-46234} - net: bonding: fix use-after-free after 802.3ad slave unbind {CVE-2022-49667}
- 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.els46
- CVEs
- CVE-2021-47012, CVE-2022-49667, CVE-2025-21762, CVE-2026-43233, CVE-2026-43334, CVE-2026-43339, CVE-2026-46234, CVE-2026-53064, CVE-2026-53112, CVE-2026-64561
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:50 UTC · Revision 1
Source evidence
- KVM: x86: Check for invalid/obsolete root *after* making MMU pages available {CVE-2026-64561} - dm cache: fix null-deref with concurrent writes in passthrough mode {CVE-2026-53064} - wifi: rtlwifi: pci: fix possible use-after-free caused by unfinished irq_prepare_bcn_tasklet {CVE-2026-53112} - RDMA/siw: Fix a use after free in siw_alloc_mr {CVE-2021-47012} - ipv6: prevent possible UaF in addrconf_permanent_addr() {CVE-2026-43339} - netfilter: nf_conntrack_h323: fix OOB read in decode_choice() {CVE-2026-43233} - Bluetooth: SMP: force responder MITM requirements before building the pairing response {CVE-2026-43334} - arp: use RCU protection in arp_xmit() {CVE-2025-21762} - vsock: fix buffer size clamping order {CVE-2026-46234} - net: bonding: fix use-after-free after 802.3ad slave unbind {CVE-2022-49667}
osv:CLSA-2026-1786435880
bpftool
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel-core
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel-cross-headers
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel-debug
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel-debug-core
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel-debug-devel
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel-debug-modules
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel-debug-modules-extra
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel-debug-modules-internal
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel-devel
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel-headers
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel-ipaclones-internal
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel-modules
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel-modules-extra
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel-modules-internal
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel-selftests-internal
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel-tools
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel-tools-libs
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
kernel-tools-libs-devel
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
perf
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
python3-perf
Fixed versions: 4.18.0-305.25.1.el8_4.tuxcare.els46
Complete source record
{
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"url": "https://osv.dev/vulnerability/CLSA-2026-1786435880",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "kernel: Fix of 9 CVEs",
"summary": "- KVM: x86: Check for invalid/obsolete root *after* making MMU pages available {CVE-2026-64561} - dm cache: fix null-deref with concurrent writes in passthrough mode {CVE-2026-53064} - wifi: rtlwifi: pci: fix possible use-after-free caused by unfinished irq_prepare_bcn_tasklet {CVE-2026-53112} - RDMA/siw: Fix a use after free in siw_alloc_mr {CVE-2021-47012} - ipv6: prevent possible UaF in addrconf_permanent_addr() {CVE-2026-43339} - netfilter: nf_conntrack_h323: fix OOB read in decode_choice() {CVE-2026-43233} - Bluetooth: SMP: force responder MITM requirements before building the pairing response {CVE-2026-43334} - arp: use RCU protection in arp_xmit() {CVE-2025-21762} - vsock: fix buffer size clamping order {CVE-2026-46234} - net: bonding: fix use-after-free after 802.3ad slave unbind {CVE-2022-49667}",
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],
"modified": "2026-10-26T09:43:31.634476885Z",
"provider": "osv",
"upstream": [
"CVE-2021-47012",
"CVE-2022-49667",
"CVE-2025-21762",
"CVE-2026-43233",
"CVE-2026-43334",
"CVE-2026-43339",
"CVE-2026-46234",
"CVE-2026-53064",
"CVE-2026-53112",
"CVE-2026-64561"
],
"references": [
"https://errata.tuxcare.com/els_os/centos8.4els/CLSA-2026-1786435880.html",
"https://nvd.nist.gov/vuln/detail/CVE-2021-47012",
"https://nvd.nist.gov/vuln/detail/CVE-2022-49667",
"https://nvd.nist.gov/vuln/detail/CVE-2026-43233",
"https://nvd.nist.gov/vuln/detail/CVE-2026-43334",
"https://nvd.nist.gov/vuln/detail/CVE-2026-43339",
"https://nvd.nist.gov/vuln/detail/CVE-2026-46234",
"https://nvd.nist.gov/vuln/detail/CVE-2026-53064",
"https://nvd.nist.gov/vuln/detail/CVE-2026-53112",
"https://nvd.nist.gov/vuln/detail/CVE-2026-64561"
]
},
"related_cves": [
{
"value": "CVE-2021-47012",
"evidence": "/upstream"
},
{
"value": "CVE-2022-49667",
"evidence": "/upstream"
},
{
"value": "CVE-2025-21762",
"evidence": "/upstream"
},
{
"value": "CVE-2026-43233",
"evidence": "/upstream"
},
{
"value": "CVE-2026-43334",
"evidence": "/upstream"
},
{
"value": "CVE-2026-43339",
"evidence": "/upstream"
},
{
"value": "CVE-2026-46234",
"evidence": "/upstream"
},
{
"value": "CVE-2026-53064",
"evidence": "/upstream"
},
{
"value": "CVE-2026-53112",
"evidence": "/upstream"
},
{
"value": "CVE-2026-64561",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449977,
"published_at": "2026-08-11T08:11:39+00:00"
}