UnratedFix available
kernel: Fix of 12 CVEs
Type: advisorySources: OSV
- KVM: x86: Fix shadow paging use-after-free due to unexpected GFN/role {CVE-2026-46113} - net: af_key: zero aligned sockaddr tail in PF_KEY exports {CVE-2026-43088} - ip6_tunnel: clear skb2->cb[] in ip4ip6_err() {CVE-2026-43037} - ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() {CVE-2026-43038} - blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd {CVE-2021-47379} - can: bcm: add locking for bcm_op runtime updates {CVE-2025-38004} - smb3: fix for slab out of bounds on mount to ksmbd {CVE-2025-38728} - iommu: disable SVA when CONFIG_X86 is set {CVE-2025-71089} - nfnetlink_osf: validate individual option lengths in fingerprints {CVE-2026-23397} - driver core: platform: use generic driver_override infrastructure {CVE-2026-31527}
- 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
- 4.18.0-348.7.1.el8_5.tuxcare.els43
- CVEs
- CVE-2021-47379, CVE-2025-38004, CVE-2025-38728, CVE-2025-71089, CVE-2026-23397, CVE-2026-31527, CVE-2026-43037, CVE-2026-43038, CVE-2026-43088, CVE-2026-46113
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:46 UTC · Revision 1
Source evidence
- KVM: x86: Fix shadow paging use-after-free due to unexpected GFN/role {CVE-2026-46113} - net: af_key: zero aligned sockaddr tail in PF_KEY exports {CVE-2026-43088} - ip6_tunnel: clear skb2->cb[] in ip4ip6_err() {CVE-2026-43037} - ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() {CVE-2026-43038} - blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd {CVE-2021-47379} - can: bcm: add locking for bcm_op runtime updates {CVE-2025-38004} - smb3: fix for slab out of bounds on mount to ksmbd {CVE-2025-38728} - iommu: disable SVA when CONFIG_X86 is set {CVE-2025-71089} - nfnetlink_osf: validate individual option lengths in fingerprints {CVE-2026-23397} - driver core: platform: use generic driver_override infrastructure {CVE-2026-31527}
osv:CLSA-2026-1783414155
bpftool
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel-core
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel-cross-headers
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel-debug
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel-debug-core
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel-debug-devel
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel-debug-modules
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel-debug-modules-extra
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel-debug-modules-internal
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel-devel
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel-headers
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel-ipaclones-internal
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel-modules
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel-modules-extra
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel-modules-internal
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel-selftests-internal
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel-tools
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel-tools-libs
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
kernel-tools-libs-devel
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
perf
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
python3-perf
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els43
Complete source record
{
"id": "434b668216edf6fe1550e02ef2baaa2765ca2b86061ddce399743e3f33cdb11e",
"url": "https://osv.dev/vulnerability/CLSA-2026-1783414155",
"method": "structured",
"payload": {
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"title": "kernel: Fix of 12 CVEs",
"summary": "- KVM: x86: Fix shadow paging use-after-free due to unexpected GFN/role {CVE-2026-46113} - net: af_key: zero aligned sockaddr tail in PF_KEY exports {CVE-2026-43088} - ip6_tunnel: clear skb2->cb[] in ip4ip6_err() {CVE-2026-43037} - ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() {CVE-2026-43038} - blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd {CVE-2021-47379} - can: bcm: add locking for bcm_op runtime updates {CVE-2025-38004} - smb3: fix for slab out of bounds on mount to ksmbd {CVE-2025-38728} - iommu: disable SVA when CONFIG_X86 is set {CVE-2025-71089} - nfnetlink_osf: validate individual option lengths in fingerprints {CVE-2026-23397} - driver core: platform: use generic driver_override infrastructure {CVE-2026-31527}",
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"package": {
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}
],
"modified": "2026-10-26T09:43:15.235092843Z",
"provider": "osv",
"upstream": [
"CVE-2021-47379",
"CVE-2025-38004",
"CVE-2025-38728",
"CVE-2025-71089",
"CVE-2026-23397",
"CVE-2026-31527",
"CVE-2026-43037",
"CVE-2026-43038",
"CVE-2026-43088",
"CVE-2026-46113"
],
"references": [
"https://errata.tuxcare.com/els_os/centos8.5els/CLSA-2026-1783414155.html",
"https://nvd.nist.gov/vuln/detail/CVE-2021-47379",
"https://nvd.nist.gov/vuln/detail/CVE-2023-39189",
"https://nvd.nist.gov/vuln/detail/CVE-2025-38004",
"https://nvd.nist.gov/vuln/detail/CVE-2025-38728",
"https://nvd.nist.gov/vuln/detail/CVE-2025-71089",
"https://nvd.nist.gov/vuln/detail/CVE-2026-23397",
"https://nvd.nist.gov/vuln/detail/CVE-2026-31527",
"https://nvd.nist.gov/vuln/detail/CVE-2026-43037",
"https://nvd.nist.gov/vuln/detail/CVE-2026-43038",
"https://nvd.nist.gov/vuln/detail/CVE-2026-43088",
"https://nvd.nist.gov/vuln/detail/CVE-2026-46113",
"https://nvd.nist.gov/vuln/detail/CVE-2026-53359"
]
},
"related_cves": [
{
"value": "CVE-2021-47379",
"evidence": "/upstream"
},
{
"value": "CVE-2025-38004",
"evidence": "/upstream"
},
{
"value": "CVE-2025-38728",
"evidence": "/upstream"
},
{
"value": "CVE-2025-71089",
"evidence": "/upstream"
},
{
"value": "CVE-2026-23397",
"evidence": "/upstream"
},
{
"value": "CVE-2026-31527",
"evidence": "/upstream"
},
{
"value": "CVE-2026-43037",
"evidence": "/upstream"
},
{
"value": "CVE-2026-43038",
"evidence": "/upstream"
},
{
"value": "CVE-2026-43088",
"evidence": "/upstream"
},
{
"value": "CVE-2026-46113",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449785,
"published_at": "2026-10-18T05:22:09+00:00"
}