ghsa-4xc4-5pg7-xrm8
Vulnerability from github
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: clean up hook list when offload flags check fails
splice back the hook list so nft_chain_release_hook() has a chance to release the hooks.
BUG: memory leak
unreferenced object 0xffff88810180b100 (size 96):
comm "syz-executor133", pid 3619, jiffies 4294945714 (age 12.690s)
hex dump (first 32 bytes):
28 64 23 02 81 88 ff ff 28 64 23 02 81 88 ff ff (d#.....(d#.....
90 a8 aa 83 ff ff ff ff 00 00 b5 0f 81 88 ff ff ................
backtrace:
[
{
"affected": [],
"aliases": [
"CVE-2022-48691"
],
"database_specific": {
"cwe_ids": [
"CWE-401"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-05-03T15:15:07Z",
"severity": "MODERATE"
},
"details": "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 [\u003cffffffff83a8c59b\u003e] kmalloc include/linux/slab.h:600 [inline]\n [\u003cffffffff83a8c59b\u003e] nft_netdev_hook_alloc+0x3b/0xc0 net/netfilter/nf_tables_api.c:1901\n [\u003cffffffff83a9239a\u003e] nft_chain_parse_netdev net/netfilter/nf_tables_api.c:1998 [inline]\n [\u003cffffffff83a9239a\u003e] nft_chain_parse_hook+0x33a/0x530 net/netfilter/nf_tables_api.c:2073\n [\u003cffffffff83a9b14b\u003e] nf_tables_addchain.constprop.0+0x10b/0x950 net/netfilter/nf_tables_api.c:2218\n [\u003cffffffff83a9c41b\u003e] nf_tables_newchain+0xa8b/0xc60 net/netfilter/nf_tables_api.c:2593\n [\u003cffffffff83a3d6a6\u003e] nfnetlink_rcv_batch+0xa46/0xd20 net/netfilter/nfnetlink.c:517\n [\u003cffffffff83a3db79\u003e] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:638 [inline]\n [\u003cffffffff83a3db79\u003e] nfnetlink_rcv+0x1f9/0x220 net/netfilter/nfnetlink.c:656\n [\u003cffffffff83a13b17\u003e] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]\n [\u003cffffffff83a13b17\u003e] netlink_unicast+0x397/0x4c0 net/netlink/af_netlink.c:1345\n [\u003cffffffff83a13fd6\u003e] netlink_sendmsg+0x396/0x710 net/netlink/af_netlink.c:1921\n [\u003cffffffff83865ab6\u003e] sock_sendmsg_nosec net/socket.c:714 [inline]\n [\u003cffffffff83865ab6\u003e] sock_sendmsg+0x56/0x80 net/socket.c:734\n [\u003cffffffff8386601c\u003e] ____sys_sendmsg+0x36c/0x390 net/socket.c:2482\n [\u003cffffffff8386a918\u003e] ___sys_sendmsg+0xa8/0x110 net/socket.c:2536\n [\u003cffffffff8386aaa8\u003e] __sys_sendmsg+0x88/0x100 net/socket.c:2565\n [\u003cffffffff845e5955\u003e] do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n [\u003cffffffff845e5955\u003e] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\n [\u003cffffffff84800087\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd",
"id": "GHSA-4xc4-5pg7-xrm8",
"modified": "2024-06-03T18:53:46Z",
"published": "2024-05-03T15:30:54Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-48691"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/1ce55ec5cb7c573c983dffbe290b8d17caf1f157"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/77972a36ecc4db7fc7c68f0e80714263c5f03f65"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/910891a2a44cdc49efcc4fe7459c1085ba00d0f4"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/94ed8eeb8d9aeb00e4f4e19b83a2e28b6442fbc5"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
Sightings
| Author | Source | Type | Date |
|---|
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