CVE-2026-64452

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That only\nwaits for net RX RCU readers. lowpan_header_decompress() is also exported\nand can be reached from callers that are not necessarily covered by the net\ncore RX critical section, for example the Bluetooth 6LoWPAN L2CAP receive\npath.\n\nThis leaves a race where one task drops lowpan_nhc_lock in the error path,\nanother task unregisters and frees the matching descriptor after\nsynchronize_net() returns, and the first task then dereferences nhc->name\nfor the warning.\n\nWith the post-unlock window widened, KASAN reports:\n\n BUG: KASAN: slab-use-after-free in lowpan_nhc_do_uncompression+0x1f4/0x220\n Read of size 8\n lowpan_nhc_do_uncompression\n lowpan_header_decompress\n\nFix this by printing the warning before dropping lowpan_nhc_lock, so the\ndescriptor name is read while unregister is still excluded. The malformed\npacket is still rejected with -ENOTSUPP."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.1, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:A - An adjacent Bluetooth LE peer can deliver a crafted IPHC/NHC frame through the unauthenticated L2CAP IPSP receive path to the vulnerable decompressor.\nAC:H - Exploitation requires the matching loadable NHC descriptor to be unregistered and freed during the tiny post-unlock window, and the adjacent attacker cannot independently force that module-unload side of the race.\nPR:N - The Bluetooth packet-processing path requires no attacker privileges or authenticated pairing because the IPSP channel uses BT_SECURITY_LOW; CAP_SYS_MODULE belongs to the victim-side unload actor.\nUI:R - Successful triggering requires a victim administrator or module-management action to unload the matching NHC module while the malicious packet is being processed.\nS:U - The vulnerability compromises the affected host kernel without crossing a separate virtualization, IOMMU, or security-authority boundary.\nC:H - The freed descriptor's name pointer is dereferenced as a string, so reused contents can cause an unbounded kernel-memory read and disclosure through the kernel log.\nI:H - As a kernel-space use-after-free, freed-object replacement is conservatively treated as potentially enabling memory-corruption or control-flow compromise.\nA:H - Dereferencing an invalid freed descriptor or string pointer can produce a kernel oops or panic and render the system unavailable."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/6lowpan/nhc.c"], "versions": [{"version": "92aa7c65d295f3cbb96904afe335f683e55584b8", "lessThan": "9c2f5c0829a8c8b904dae36be6d8056b719ac605", "status": "affected", "versionType": "git"}, {"version": "92aa7c65d295f3cbb96904afe335f683e55584b8", "lessThan": "80b5c8779acee0550845394fb3e5176a398aa24c", "status": "affected", "versionType": "git"}, {"version": "92aa7c65d295f3cbb96904afe335f683e55584b8", "lessThan": "cc27aea4d454abfb385ee2c9499c78b96db9b728", "status": "affected", "versionType": "git"}, {"version": "92aa7c65d295f3cbb96904afe335f683e55584b8", "lessThan": "a8e3a94711134e898c6021a6b77374efa91b3639", "status": "affected", "versionType": "git"}, {"version": "92aa7c65d295f3cbb96904afe335f683e55584b8", "lessThan": "593b78bb3c7ef0c6e9ae6fdf5afa80a5f7573168", "status": "affected", "versionType": "git"}, {"version": "92aa7c65d295f3cbb96904afe335f683e55584b8", "lessThan": "0beccbcf50de125be5520d0ffc59af4bb8655482", "status": "affected", "versionType": "git"}, {"version": "92aa7c65d295f3cbb96904afe335f683e55584b8", "lessThan": "b713aa0cc344f10f7a9928a230b5f5e780d04078", "status": "affected", "versionType": "git"}, {"version": "92aa7c65d295f3cbb96904afe335f683e55584b8", "lessThan": "1720db928e5a58ca7d75ac1d514c3b73fd7061a7", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/6lowpan/nhc.c"], "versions": [{"version": "4.1", "status": "affected"}, {"version": "0", "lessThan": "4.1", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.261", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.212", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.96", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.39", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.4", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, 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"https://git.kernel.org/stable/c/593b78bb3c7ef0c6e9ae6fdf5afa80a5f7573168"}, {"url": "https://git.kernel.org/stable/c/0beccbcf50de125be5520d0ffc59af4bb8655482"}, {"url": "https://git.kernel.org/stable/c/b713aa0cc344f10f7a9928a230b5f5e780d04078"}, {"url": "https://git.kernel.org/stable/c/1720db928e5a58ca7d75ac1d514c3b73fd7061a7"}], "title": "6lowpan: fix NHC entry use-after-free on error path", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-64452", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:41:07.187657Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-19T20:38:30.450Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-64452", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:41:07.187657Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T15:41:07.769Z"}}], "cna": {"title": "6lowpan: fix NHC entry use-after-free on error path", "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 7.1, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}, "scenarios": [{"lang": "en", "value": "AV:A - An adjacent Bluetooth LE peer can deliver a crafted IPHC/NHC frame through the unauthenticated L2CAP IPSP receive path to the vulnerable decompressor.\nAC:H - Exploitation requires the matching loadable NHC descriptor to be unregistered and freed during the tiny post-unlock window, and the adjacent attacker cannot independently force that module-unload side of the race.\nPR:N - The Bluetooth packet-processing path requires no attacker privileges or authenticated pairing because the IPSP channel uses BT_SECURITY_LOW; CAP_SYS_MODULE belongs to the victim-side unload actor.\nUI:R - Successful triggering requires a victim administrator or module-management action to unload the matching NHC module while the malicious packet is being processed.\nS:U - The vulnerability compromises the affected host kernel without crossing a separate virtualization, IOMMU, or security-authority boundary.\nC:H - The freed descriptor's name pointer is dereferenced as a string, so reused contents can cause an unbounded kernel-memory read and disclosure through the kernel log.\nI:H - As a kernel-space use-after-free, freed-object replacement is conservatively treated as potentially enabling memory-corruption or control-flow compromise.\nA:H - Dereferencing an invalid freed descriptor or string pointer can produce a kernel oops or panic and render the system unavailable."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "92aa7c65d295f3cbb96904afe335f683e55584b8", "lessThan": "9c2f5c0829a8c8b904dae36be6d8056b719ac605", "versionType": "git"}, {"status": "affected", "version": "92aa7c65d295f3cbb96904afe335f683e55584b8", "lessThan": "80b5c8779acee0550845394fb3e5176a398aa24c", "versionType": "git"}, {"status": "affected", "version": "92aa7c65d295f3cbb96904afe335f683e55584b8", "lessThan": "cc27aea4d454abfb385ee2c9499c78b96db9b728", "versionType": "git"}, {"status": "affected", "version": "92aa7c65d295f3cbb96904afe335f683e55584b8", "lessThan": "a8e3a94711134e898c6021a6b77374efa91b3639", "versionType": "git"}, {"status": "affected", "version": "92aa7c65d295f3cbb96904afe335f683e55584b8", "lessThan": "593b78bb3c7ef0c6e9ae6fdf5afa80a5f7573168", "versionType": "git"}, {"status": "affected", "version": "92aa7c65d295f3cbb96904afe335f683e55584b8", "lessThan": "0beccbcf50de125be5520d0ffc59af4bb8655482", "versionType": "git"}, {"status": "affected", "version": "92aa7c65d295f3cbb96904afe335f683e55584b8", "lessThan": "b713aa0cc344f10f7a9928a230b5f5e780d04078", "versionType": "git"}, {"status": "affected", "version": "92aa7c65d295f3cbb96904afe335f683e55584b8", "lessThan": "1720db928e5a58ca7d75ac1d514c3b73fd7061a7", "versionType": "git"}], "programFiles": ["net/6lowpan/nhc.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.1"}, {"status": "unaffected", "version": "0", "lessThan": "4.1", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.261", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.212", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.178", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.145", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.96", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.39", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.4", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/6lowpan/nhc.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/9c2f5c0829a8c8b904dae36be6d8056b719ac605"}, {"url": "https://git.kernel.org/stable/c/80b5c8779acee0550845394fb3e5176a398aa24c"}, {"url": "https://git.kernel.org/stable/c/cc27aea4d454abfb385ee2c9499c78b96db9b728"}, {"url": "https://git.kernel.org/stable/c/a8e3a94711134e898c6021a6b77374efa91b3639"}, {"url": "https://git.kernel.org/stable/c/593b78bb3c7ef0c6e9ae6fdf5afa80a5f7573168"}, {"url": "https://git.kernel.org/stable/c/0beccbcf50de125be5520d0ffc59af4bb8655482"}, {"url": "https://git.kernel.org/stable/c/b713aa0cc344f10f7a9928a230b5f5e780d04078"}, {"url": "https://git.kernel.org/stable/c/1720db928e5a58ca7d75ac1d514c3b73fd7061a7"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\n6lowpan: fix NHC entry use-after-free on error path\n\nlowpan_nhc_do_uncompression() looks up an NHC descriptor while holding\nlowpan_nhc_lock. If the descriptor has no uncompress callback, the error\npath drops the lock before printing nhc->name.\n\nlowpan_nhc_del() removes descriptors under the same lock and then relies\non synchronize_net() before the owning module can be unloaded. That only\nwaits for net RX RCU readers. lowpan_header_decompress() is also exported\nand can be reached from callers that are not necessarily covered by the net\ncore RX critical section, for example the Bluetooth 6LoWPAN L2CAP receive\npath.\n\nThis leaves a race where one task drops lowpan_nhc_lock in the error path,\nanother task unregisters and frees the matching descriptor after\nsynchronize_net() returns, and the first task then dereferences nhc->name\nfor the warning.\n\nWith the post-unlock window widened, KASAN reports:\n\n BUG: KASAN: slab-use-after-free in lowpan_nhc_do_uncompression+0x1f4/0x220\n Read of size 8\n lowpan_nhc_do_uncompression\n lowpan_header_decompress\n\nFix this by printing the warning before dropping lowpan_nhc_lock, so the\ndescriptor name is read while unregister is still excluded. The malformed\npacket is still rejected with -ENOTSUPP."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.261", "versionStartIncluding": "4.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.212", "versionStartIncluding": "4.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.178", "versionStartIncluding": "4.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.145", "versionStartIncluding": "4.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.96", "versionStartIncluding": "4.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.39", "versionStartIncluding": "4.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1.4", "versionStartIncluding": "4.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.2", "versionStartIncluding": "4.1"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T04:55:56.222Z"}}}, "cveMetadata": {"cveId": "CVE-2026-64452", "state": "PUBLISHED", "dateUpdated": "2026-10-19T20:38:30.450Z", "dateReserved": "2026-07-19T15:36:31.788Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-07-25T08:51:21.754Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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If the descriptor has no uncompress callback, the error\npath drops the lock before printing nhc->name.\n\nlowpan_nhc_del() removes descriptors under the same lock and then relies\non synchronize_net() before the owning module can be unloaded. That only\nwaits for net RX RCU readers. lowpan_header_decompress() is also exported\nand can be reached from callers that are not necessarily covered by the net\ncore RX critical section, for example the Bluetooth 6LoWPAN L2CAP receive\npath.\n\nThis leaves a race where one task drops lowpan_nhc_lock in the error path,\nanother task unregisters and frees the matching descriptor after\nsynchronize_net() returns, and the first task then dereferences nhc->name\nfor the warning.\n\nWith the post-unlock window widened, KASAN reports:\n\n BUG: KASAN: slab-use-after-free in lowpan_nhc_do_uncompression+0x1f4/0x220\n Read of size 8\n lowpan_nhc_do_uncompression\n lowpan_header_decompress\n\nFix this by printing the warning before dropping lowpan_nhc_lock, so the\ndescriptor name is read while unregister is still excluded. The malformed\npacket is still rejected with -ENOTSUPP."}], "id": "CVE-2026-64452", "lastModified": "2026-10-19T21:17:39.857", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-64452", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T15:41:07.187657Z", "version": "2.0.3"}}]}, "published": "2026-07-25T10:17:30.140", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0beccbcf50de125be5520d0ffc59af4bb8655482"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1720db928e5a58ca7d75ac1d514c3b73fd7061a7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/593b78bb3c7ef0c6e9ae6fdf5afa80a5f7573168"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/80b5c8779acee0550845394fb3e5176a398aa24c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9c2f5c0829a8c8b904dae36be6d8056b719ac605"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a8e3a94711134e898c6021a6b77374efa91b3639"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b713aa0cc344f10f7a9928a230b5f5e780d04078"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cc27aea4d454abfb385ee2c9499c78b96db9b728"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: 6lowpan: fix NHC entry use-after-free on error path", "id": "2507256", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507256"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["A flaw was found in the Linux kernel's 6LoWPAN (IPv6 over Low-Power Wireless Personal Area Networks) component. A race condition in the `lowpan_nhc_do_uncompression` function can lead to a use-after-free vulnerability. This occurs when an NHC (Next Header Compression) descriptor is deallocated while another process attempts to access its name in an error handling path. This flaw could allow an attacker to cause a denial of service or potentially execute arbitrary code."], "name": "CVE-2026-64452", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "impact": "important", "package_name": "erlang27", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64452\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64452\nhttps://lore.kernel.org/linux-cve-announce/2026072541-CVE-2026-64452-5498@gregkh/T"], "threat_severity": "Moderate"}

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