{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-38441", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:24.016Z", "datePublished": "2025-07-25T15:27:20.276Z", "dateUpdated": "2025-07-28T04:22:22.394Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-07-28T04:22:22.394Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: flowtable: account for Ethernet header in nf_flow_pppoe_proto()\n\nsyzbot found a potential access to uninit-value in nf_flow_pppoe_proto()\n\nBlamed commit forgot the Ethernet header.\n\nBUG: KMSAN: uninit-value in nf_flow_offload_inet_hook+0x7e4/0x940 net/netfilter/nf_flow_table_inet.c:27\n nf_flow_offload_inet_hook+0x7e4/0x940 net/netfilter/nf_flow_table_inet.c:27\n nf_hook_entry_hookfn include/linux/netfilter.h:157 [inline]\n nf_hook_slow+0xe1/0x3d0 net/netfilter/core.c:623\n nf_hook_ingress include/linux/netfilter_netdev.h:34 [inline]\n nf_ingress net/core/dev.c:5742 [inline]\n __netif_receive_skb_core+0x4aff/0x70c0 net/core/dev.c:5837\n __netif_receive_skb_one_core net/core/dev.c:5975 [inline]\n __netif_receive_skb+0xcc/0xac0 net/core/dev.c:6090\n netif_receive_skb_internal net/core/dev.c:6176 [inline]\n netif_receive_skb+0x57/0x630 net/core/dev.c:6235\n tun_rx_batched+0x1df/0x980 drivers/net/tun.c:1485\n tun_get_user+0x4ee0/0x6b40 drivers/net/tun.c:1938\n tun_chr_write_iter+0x3e9/0x5c0 drivers/net/tun.c:1984\n new_sync_write fs/read_write.c:593 [inline]\n vfs_write+0xb4b/0x1580 fs/read_write.c:686\n ksys_write fs/read_write.c:738 [inline]\n __do_sys_write fs/read_write.c:749 [inline]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/net/netfilter/nf_flow_table.h"], "versions": [{"version": "d06977b9a4109f8738bb276125eb6a0b772bc433", "lessThan": "a3aea97d55964e70a1e6426aa4cafdc036e8a2dd", "status": "affected", "versionType": "git"}, {"version": "8bf7c76a2a207ca2b4cfda0a279192adf27678d7", "lessThan": "eed8960b289327235185b7c32649c3470a3e969b", "status": "affected", "versionType": "git"}, {"version": "a2471d271042ea18e8a6babc132a8716bb2f08b9", "lessThan": "9fbc49429a23b02595ba82536c5ea425fdabb221", "status": "affected", "versionType": "git"}, {"version": "87b3593bed1868b2d9fe096c01bcdf0ea86cbebf", "lessThan": "e0dd2e9729660f3f4fcb16e0aef87342911528ef", "status": "affected", "versionType": "git"}, {"version": "87b3593bed1868b2d9fe096c01bcdf0ea86cbebf", "lessThan": "cfbf0665969af2c69d10c377d4c3d306e717efb4", "status": "affected", "versionType": "git"}, {"version": "87b3593bed1868b2d9fe096c01bcdf0ea86cbebf", "lessThan": "18cdb3d982da8976b28d57691eb256ec5688fad2", "status": "affected", "versionType": "git"}, {"version": "cf366ee3bc1b7d1c76a882640ba3b3f8f1039163", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/net/netfilter/nf_flow_table.h"], "versions": [{"version": "6.9", "status": "affected"}, {"version": "0", "lessThan": "6.9", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.189", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.146", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.99", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.39", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.7", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16", "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": "5.15.157", "versionEndExcluding": "5.15.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.88", "versionEndExcluding": "6.1.146"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.29", "versionEndExcluding": "6.6.99"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.12.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.15.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8.8"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a3aea97d55964e70a1e6426aa4cafdc036e8a2dd"}, {"url": "https://git.kernel.org/stable/c/eed8960b289327235185b7c32649c3470a3e969b"}, {"url": "https://git.kernel.org/stable/c/9fbc49429a23b02595ba82536c5ea425fdabb221"}, {"url": "https://git.kernel.org/stable/c/e0dd2e9729660f3f4fcb16e0aef87342911528ef"}, {"url": "https://git.kernel.org/stable/c/cfbf0665969af2c69d10c377d4c3d306e717efb4"}, {"url": "https://git.kernel.org/stable/c/18cdb3d982da8976b28d57691eb256ec5688fad2"}], "title": "netfilter: flowtable: account for Ethernet header in nf_flow_pppoe_proto()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: flowtable: account for Ethernet header in nf_flow_pppoe_proto()\n\nsyzbot found a potential access to uninit-value in nf_flow_pppoe_proto()\n\nBlamed commit forgot the Ethernet header.\n\nBUG: KMSAN: uninit-value in nf_flow_offload_inet_hook+0x7e4/0x940 net/netfilter/nf_flow_table_inet.c:27\n nf_flow_offload_inet_hook+0x7e4/0x940 net/netfilter/nf_flow_table_inet.c:27\n nf_hook_entry_hookfn include/linux/netfilter.h:157 [inline]\n nf_hook_slow+0xe1/0x3d0 net/netfilter/core.c:623\n nf_hook_ingress include/linux/netfilter_netdev.h:34 [inline]\n nf_ingress net/core/dev.c:5742 [inline]\n __netif_receive_skb_core+0x4aff/0x70c0 net/core/dev.c:5837\n __netif_receive_skb_one_core net/core/dev.c:5975 [inline]\n __netif_receive_skb+0xcc/0xac0 net/core/dev.c:6090\n netif_receive_skb_internal net/core/dev.c:6176 [inline]\n netif_receive_skb+0x57/0x630 net/core/dev.c:6235\n tun_rx_batched+0x1df/0x980 drivers/net/tun.c:1485\n tun_get_user+0x4ee0/0x6b40 drivers/net/tun.c:1938\n tun_chr_write_iter+0x3e9/0x5c0 drivers/net/tun.c:1984\n new_sync_write fs/read_write.c:593 [inline]\n vfs_write+0xb4b/0x1580 fs/read_write.c:686\n ksys_write fs/read_write.c:738 [inline]\n __do_sys_write fs/read_write.c:749 [inline]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: flowtable: cuenta para el encabezado Ethernet en nf_flow_pppoe_proto() syzbot encontr\u00f3 un acceso potencial a uninit-value en nf_flow_pppoe_proto() El commit culpado olvid\u00f3 el encabezado Ethernet. BUG: KMSAN: uninit-value in nf_flow_offload_inet_hook+0x7e4/0x940 net/netfilter/nf_flow_table_inet.c:27 nf_flow_offload_inet_hook+0x7e4/0x940 net/netfilter/nf_flow_table_inet.c:27 nf_hook_entry_hookfn include/linux/netfilter.h:157 [inline] nf_hook_slow+0xe1/0x3d0 net/netfilter/core.c:623 nf_hook_ingress include/linux/netfilter_netdev.h:34 [inline] nf_ingress net/core/dev.c:5742 [inline] __netif_receive_skb_core+0x4aff/0x70c0 net/core/dev.c:5837 __netif_receive_skb_one_core net/core/dev.c:5975 [inline] __netif_receive_skb+0xcc/0xac0 net/core/dev.c:6090 netif_receive_skb_internal net/core/dev.c:6176 [inline] netif_receive_skb+0x57/0x630 net/core/dev.c:6235 tun_rx_batched+0x1df/0x980 drivers/net/tun.c:1485 tun_get_user+0x4ee0/0x6b40 drivers/net/tun.c:1938 tun_chr_write_iter+0x3e9/0x5c0 drivers/net/tun.c:1984 new_sync_write fs/read_write.c:593 [inline] vfs_write+0xb4b/0x1580 fs/read_write.c:686 ksys_write fs/read_write.c:738 [inline] __do_sys_write fs/read_write.c:749 [inline]\n"}], "id": "CVE-2025-38441", "lastModified": "2025-07-29T14:14:55.157", "metrics": {}, "published": "2025-07-25T16:15:29.497", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/18cdb3d982da8976b28d57691eb256ec5688fad2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9fbc49429a23b02595ba82536c5ea425fdabb221"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a3aea97d55964e70a1e6426aa4cafdc036e8a2dd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cfbf0665969af2c69d10c377d4c3d306e717efb4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e0dd2e9729660f3f4fcb16e0aef87342911528ef"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/eed8960b289327235185b7c32649c3470a3e969b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: netfilter: flowtable: account for Ethernet header in nf_flow_pppoe_proto()", "id": "2383478", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2383478"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnetfilter: flowtable: account for Ethernet header in nf_flow_pppoe_proto()\nsyzbot found a potential access to uninit-value in nf_flow_pppoe_proto()\nBlamed commit forgot the Ethernet header.\nBUG: KMSAN: uninit-value in nf_flow_offload_inet_hook+0x7e4/0x940 net/netfilter/nf_flow_table_inet.c:27\nnf_flow_offload_inet_hook+0x7e4/0x940 net/netfilter/nf_flow_table_inet.c:27\nnf_hook_entry_hookfn include/linux/netfilter.h:157 [inline]\nnf_hook_slow+0xe1/0x3d0 net/netfilter/core.c:623\nnf_hook_ingress include/linux/netfilter_netdev.h:34 [inline]\nnf_ingress net/core/dev.c:5742 [inline]\n__netif_receive_skb_core+0x4aff/0x70c0 net/core/dev.c:5837\n__netif_receive_skb_one_core net/core/dev.c:5975 [inline]\n__netif_receive_skb+0xcc/0xac0 net/core/dev.c:6090\nnetif_receive_skb_internal net/core/dev.c:6176 [inline]\nnetif_receive_skb+0x57/0x630 net/core/dev.c:6235\ntun_rx_batched+0x1df/0x980 drivers/net/tun.c:1485\ntun_get_user+0x4ee0/0x6b40 drivers/net/tun.c:1938\ntun_chr_write_iter+0x3e9/0x5c0 drivers/net/tun.c:1984\nnew_sync_write fs/read_write.c:593 [inline]\nvfs_write+0xb4b/0x1580 fs/read_write.c:686\nksys_write fs/read_write.c:738 [inline]\n__do_sys_write fs/read_write.c:749 [inline]"], "name": "CVE-2025-38441", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "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": "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"}], "public_date": "2025-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38441\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38441\nhttps://lore.kernel.org/linux-cve-announce/2025072502-CVE-2025-38441-bb71@gregkh/T"], "threat_severity": "Low"}