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nvd-json-data-feeds/CVE-2022/CVE-2022-486xx/CVE-2022-48691.json
cad-safe-bot e6cbafdc40 Auto-Update: 2024-12-08T03:00:18.988682+00:00
2024-12-08 03:06:42 +00:00

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{
"id": "CVE-2022-48691",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-05-03T15:15:07.887",
"lastModified": "2024-11-21T07:33:47.623",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: clean up hook list when offload flags check fails\n\nsplice back the hook list so nft_chain_release_hook() has a chance to\nrelease the hooks.\n\nBUG: memory leak\nunreferenced object 0xffff88810180b100 (size 96):\n comm \"syz-executor133\", pid 3619, jiffies 4294945714 (age 12.690s)\n hex dump (first 32 bytes):\n 28 64 23 02 81 88 ff ff 28 64 23 02 81 88 ff ff (d#.....(d#.....\n 90 a8 aa 83 ff ff ff ff 00 00 b5 0f 81 88 ff ff ................\n backtrace:\n [<ffffffff83a8c59b>] kmalloc include/linux/slab.h:600 [inline]\n [<ffffffff83a8c59b>] nft_netdev_hook_alloc+0x3b/0xc0 net/netfilter/nf_tables_api.c:1901\n [<ffffffff83a9239a>] nft_chain_parse_netdev net/netfilter/nf_tables_api.c:1998 [inline]\n [<ffffffff83a9239a>] nft_chain_parse_hook+0x33a/0x530 net/netfilter/nf_tables_api.c:2073\n [<ffffffff83a9b14b>] nf_tables_addchain.constprop.0+0x10b/0x950 net/netfilter/nf_tables_api.c:2218\n [<ffffffff83a9c41b>] nf_tables_newchain+0xa8b/0xc60 net/netfilter/nf_tables_api.c:2593\n [<ffffffff83a3d6a6>] nfnetlink_rcv_batch+0xa46/0xd20 net/netfilter/nfnetlink.c:517\n [<ffffffff83a3db79>] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:638 [inline]\n [<ffffffff83a3db79>] nfnetlink_rcv+0x1f9/0x220 net/netfilter/nfnetlink.c:656\n [<ffffffff83a13b17>] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]\n [<ffffffff83a13b17>] netlink_unicast+0x397/0x4c0 net/netlink/af_netlink.c:1345\n [<ffffffff83a13fd6>] netlink_sendmsg+0x396/0x710 net/netlink/af_netlink.c:1921\n [<ffffffff83865ab6>] sock_sendmsg_nosec net/socket.c:714 [inline]\n [<ffffffff83865ab6>] sock_sendmsg+0x56/0x80 net/socket.c:734\n [<ffffffff8386601c>] ____sys_sendmsg+0x36c/0x390 net/socket.c:2482\n [<ffffffff8386a918>] ___sys_sendmsg+0xa8/0x110 net/socket.c:2536\n [<ffffffff8386aaa8>] __sys_sendmsg+0x88/0x100 net/socket.c:2565\n [<ffffffff845e5955>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n [<ffffffff845e5955>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\n [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: nf_tables: limpia la lista de ganchos cuando falla la verificaci\u00f3n de indicadores de descarga, vuelve a unir la lista de ganchos para que nft_chain_release_hook() tenga la oportunidad de liberar los ganchos. ERROR: p\u00e9rdida de memoria objeto sin referencia 0xffff88810180b100 (tama\u00f1o 96): comunicaci\u00f3n \"syz-executor133\", pid 3619, jiffies 4294945714 (edad 12.690 s) volcado hexadecimal (primeros 32 bytes): 28 64 23 02 81 88 ff ff 28 64 02 81 88 ff ff (d#.....(d#..... 90 a8 aa 83 ff ff ff ff 00 00 b5 0f 81 88 ff ff ................ retroceso : [] kmalloc include/linux/slab.h:600 [en l\u00ednea] [] nft_netdev_hook_alloc+0x3b/0xc0 net/netfilter/nf_tables_api.c:1901 [] netdev net/netfilter/nf_tables_api. c:1998 [en l\u00ednea] [] nft_chain_parse_hook+0x33a/0x530 net/netfilter/nf_tables_api.c:2073 [] nf_tables_addchain.constprop.0+0x10b/0x950 f_tables_api.c:2218 [&lt; ffffffff83a9c41b&gt;] nf_tables_newchain+0xa8b/0xc60 net/netfilter/nf_tables_api.c:2593 [] nfnetlink_rcv_batch+0xa46/0xd20 net/netfilter/nfnetlink.c:517 [] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c: 638 [en l\u00ednea] [] nfnetlink_rcv+0x1f9/0x220 net/netfilter/nfnetlink.c:656 [] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [en l\u00ednea] [] emitir+0x397/ 0x4c0 net/netlink/af_netlink.c:1345 [] netlink_sendmsg+0x396/0x710 net/netlink/af_netlink.c:1921 [] sock_sendmsg_nosec net/socket.c:714 [en l\u00ednea] 65ab6&gt;] sock_sendmsg+0x56/0x80 net/socket.c:734 [] ____sys_sendmsg+0x36c/0x390 net/socket.c:2482 [] ___sys_sendmsg+0xa8/0x110 36 [ ] __sys_sendmsg+0x88/0x100 net/socket.c:2565 [] do_syscall_x64 arch/x86/entry/common.c:50 [en l\u00ednea] [] do_syscall_64+0x35/0xb0 arch/x86/ent ry/com\u00fan .c:80 [] entrada_SYSCALL_64_after_hwframe+0x63/0xcd"
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 1.8,
"impactScore": 3.4
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-401"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
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"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.5",
"versionEndExcluding": "5.10.143",
"matchCriteriaId": "E77EECF5-C31E-4342-8014-AA844BB83A76"
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.11",
"versionEndExcluding": "5.15.68",
"matchCriteriaId": "C440CED2-FE3C-495D-839C-857FFC6F523A"
},
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"versionEndExcluding": "5.19.9",
"matchCriteriaId": "B4895A99-6E1B-4C76-A510-FDED00AD7D29"
}
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}
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