{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-50130", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T19:36:19.955Z", "datePublished": "2024-11-05T17:10:56.344Z", "dateUpdated": "2025-05-04T09:46:49.610Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T09:46:49.610Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: bpf: must hold reference on net namespace\n\nBUG: KASAN: slab-use-after-free in __nf_unregister_net_hook+0x640/0x6b0\nRead of size 8 at addr ffff8880106fe400 by task repro/72=\nbpf_nf_link_release+0xda/0x1e0\nbpf_link_free+0x139/0x2d0\nbpf_link_release+0x68/0x80\n__fput+0x414/0xb60\n\nEric says:\n It seems that bpf was able to defer the __nf_unregister_net_hook()\n after exit()/close() time.\n Perhaps a netns reference is missing, because the netns has been\n dismantled/freed already.\n bpf_nf_link_attach() does :\n link->net = net;\n But I do not see a reference being taken on net.\n\nAdd such a reference and release it after hook unreg.\nNote that I was unable to get syzbot reproducer to work, so I\ndo not know if this resolves this splat."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netfilter/nf_bpf_link.c"], "versions": [{"version": "84601d6ee68ae820dec97450934797046d62db4b", "lessThan": "f41bd93b3e0508edc7ba820357f949071dcc0acc", "status": "affected", "versionType": "git"}, {"version": "84601d6ee68ae820dec97450934797046d62db4b", "lessThan": "d0d7939543a1b3bb93af9a18d258a774daf8f162", "status": "affected", "versionType": "git"}, {"version": "84601d6ee68ae820dec97450934797046d62db4b", "lessThan": "1230fe7ad3974f7bf6c78901473e039b34d4fb1f", "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/netfilter/nf_bpf_link.c"], "versions": [{"version": "6.4", "status": "affected"}, {"version": "0", "lessThan": "6.4", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.59", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.6", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12", "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": "6.4", "versionEndExcluding": "6.6.59"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.11.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.12"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f41bd93b3e0508edc7ba820357f949071dcc0acc"}, {"url": "https://git.kernel.org/stable/c/d0d7939543a1b3bb93af9a18d258a774daf8f162"}, {"url": "https://git.kernel.org/stable/c/1230fe7ad3974f7bf6c78901473e039b34d4fb1f"}], "title": "netfilter: bpf: must hold reference on net namespace", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-50130", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-03-06T16:08:04.815447Z"}}}], "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": "2025-03-06T16:14:33.332Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-50130", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-03-06T16:08:04.815447Z"}}}], "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": "2025-03-06T16:08:06.703Z"}}], "cna": {"title": "netfilter: bpf: must hold reference on net namespace", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "84601d6ee68ae820dec97450934797046d62db4b", "lessThan": "f41bd93b3e0508edc7ba820357f949071dcc0acc", "versionType": "git"}, {"status": "affected", "version": "84601d6ee68ae820dec97450934797046d62db4b", "lessThan": "d0d7939543a1b3bb93af9a18d258a774daf8f162", "versionType": "git"}, {"status": "affected", "version": "84601d6ee68ae820dec97450934797046d62db4b", "lessThan": "1230fe7ad3974f7bf6c78901473e039b34d4fb1f", "versionType": "git"}], "programFiles": ["net/netfilter/nf_bpf_link.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.4"}, {"status": "unaffected", "version": "0", "lessThan": "6.4", "versionType": "semver"}, {"status": "unaffected", "version": "6.6.59", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.11.6", "versionType": "semver", "lessThanOrEqual": "6.11.*"}, {"status": "unaffected", "version": "6.12", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/netfilter/nf_bpf_link.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/f41bd93b3e0508edc7ba820357f949071dcc0acc"}, {"url": "https://git.kernel.org/stable/c/d0d7939543a1b3bb93af9a18d258a774daf8f162"}, {"url": "https://git.kernel.org/stable/c/1230fe7ad3974f7bf6c78901473e039b34d4fb1f"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: bpf: must hold reference on net namespace\n\nBUG: KASAN: slab-use-after-free in __nf_unregister_net_hook+0x640/0x6b0\nRead of size 8 at addr ffff8880106fe400 by task repro/72=\nbpf_nf_link_release+0xda/0x1e0\nbpf_link_free+0x139/0x2d0\nbpf_link_release+0x68/0x80\n__fput+0x414/0xb60\n\nEric says:\n It seems that bpf was able to defer the __nf_unregister_net_hook()\n after exit()/close() time.\n Perhaps a netns reference is missing, because the netns has been\n dismantled/freed already.\n bpf_nf_link_attach() does :\n link->net = net;\n But I do not see a reference being taken on net.\n\nAdd such a reference and release it after hook unreg.\nNote that I was unable to get syzbot reproducer to work, so I\ndo not know if this resolves this splat."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.59", "versionStartIncluding": "6.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.11.6", "versionStartIncluding": "6.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12", "versionStartIncluding": "6.4"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T09:46:49.610Z"}}}, "cveMetadata": {"cveId": "CVE-2024-50130", "state": "PUBLISHED", "dateUpdated": "2025-05-04T09:46:49.610Z", "dateReserved": "2024-10-21T19:36:19.955Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-11-05T17:10:56.344Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F0663E1D-0BCE-4D24-BFE4-F9C52687DD40", "versionEndExcluding": "6.6.59", "versionStartIncluding": "6.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E4486B12-007B-4794-9857-F07145637AA1", "versionEndExcluding": "6.11.6", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*", "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*", "matchCriteriaId": "925478D0-3E3D-4E6F-ACD5-09F28D5DF82C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*", "matchCriteriaId": "3C95E234-D335-4B6C-96BF-E2CEBD8654ED", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*", "matchCriteriaId": "E0F717D8-3014-4F84-8086-0124B2111379", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: bpf: must hold reference on net namespace\n\nBUG: KASAN: slab-use-after-free in __nf_unregister_net_hook+0x640/0x6b0\nRead of size 8 at addr ffff8880106fe400 by task repro/72=\nbpf_nf_link_release+0xda/0x1e0\nbpf_link_free+0x139/0x2d0\nbpf_link_release+0x68/0x80\n__fput+0x414/0xb60\n\nEric says:\n It seems that bpf was able to defer the __nf_unregister_net_hook()\n after exit()/close() time.\n Perhaps a netns reference is missing, because the netns has been\n dismantled/freed already.\n bpf_nf_link_attach() does :\n link->net = net;\n But I do not see a reference being taken on net.\n\nAdd such a reference and release it after hook unreg.\nNote that I was unable to get syzbot reproducer to work, so I\ndo not know if this resolves this splat."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: bpf: debe contener referencia en el espacio de nombres net ERROR: KASAN: slab-use-after-free en __nf_unregister_net_hook+0x640/0x6b0 Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff8880106fe400 por la tarea repro/72= bpf_nf_link_release+0xda/0x1e0 bpf_link_free+0x139/0x2d0 bpf_link_release+0x68/0x80 __fput+0x414/0xb60 Eric dice: Parece que bpf pudo diferir __nf_unregister_net_hook() despu\u00e9s del tiempo de exit()/close(). Quiz\u00e1s falta una referencia a netns, porque netns ya se ha desmantelado/liberado. bpf_nf_link_attach() hace: link->net = net; Pero no veo que se tome ninguna referencia en net. Agregue dicha referencia y lib\u00e9rela despu\u00e9s de anular el registro. Tenga en cuenta que no pude hacer que funcionara el reproductor syzbot, por lo que no s\u00e9 si esto resuelve este problema."}], "id": "CVE-2024-50130", "lastModified": "2025-03-06T17:15:18.953", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-11-05T18:15:15.850", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1230fe7ad3974f7bf6c78901473e039b34d4fb1f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d0d7939543a1b3bb93af9a18d258a774daf8f162"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f41bd93b3e0508edc7ba820357f949071dcc0acc"}], "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"}]}

{"affected_release": [{"advisory": "RHSA-2025:6966", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}, {"advisory": "RHSA-2025:6966", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}], "bugzilla": {"description": "kernel: netfilter: bpf: must hold reference on net namespace", "id": "2323953", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2323953"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnetfilter: bpf: must hold reference on net namespace\nBUG: KASAN: slab-use-after-free in __nf_unregister_net_hook+0x640/0x6b0\nRead of size 8 at addr ffff8880106fe400 by task repro/72=\nbpf_nf_link_release+0xda/0x1e0\nbpf_link_free+0x139/0x2d0\nbpf_link_release+0x68/0x80\n__fput+0x414/0xb60\nEric says:\nIt seems that bpf was able to defer the __nf_unregister_net_hook()\nafter exit()/close() time.\nPerhaps a netns reference is missing, because the netns has been\ndismantled/freed already.\nbpf_nf_link_attach() does :\nlink->net = net;\nBut I do not see a reference being taken on net.\nAdd such a reference and release it after hook unreg.\nNote that I was unable to get syzbot reproducer to work, so I\ndo not know if this resolves this splat."], "name": "CVE-2024-50130", "package_state": [{"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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-11-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50130\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50130\nhttps://lore.kernel.org/linux-cve-announce/2024110558-CVE-2024-50130-7580@gregkh/T"], "statement": "The config param CONFIG_NETFILTER_BPF_LINK disabled everywhere, so not actual for all versions of Red Hat Enterprise Linux.", "threat_severity": "Low"}