mirror of
https://github.com/CVEProject/cvelist.git
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102 lines
5.4 KiB
JSON
102 lines
5.4 KiB
JSON
{
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"data_version": "4.0",
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"data_type": "CVE",
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"data_format": "MITRE",
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"CVE_data_meta": {
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"ID": "CVE-2022-48974",
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"ASSIGNER": "cve@kernel.org",
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"STATE": "PUBLIC"
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},
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: conntrack: fix using __this_cpu_add in preemptible\n\nCurrently in nf_conntrack_hash_check_insert(), when it fails in\nnf_ct_ext_valid_pre/post(), NF_CT_STAT_INC() will be called in the\npreemptible context, a call trace can be triggered:\n\n BUG: using __this_cpu_add() in preemptible [00000000] code: conntrack/1636\n caller is nf_conntrack_hash_check_insert+0x45/0x430 [nf_conntrack]\n Call Trace:\n <TASK>\n dump_stack_lvl+0x33/0x46\n check_preemption_disabled+0xc3/0xf0\n nf_conntrack_hash_check_insert+0x45/0x430 [nf_conntrack]\n ctnetlink_create_conntrack+0x3cd/0x4e0 [nf_conntrack_netlink]\n ctnetlink_new_conntrack+0x1c0/0x450 [nf_conntrack_netlink]\n nfnetlink_rcv_msg+0x277/0x2f0 [nfnetlink]\n netlink_rcv_skb+0x50/0x100\n nfnetlink_rcv+0x65/0x144 [nfnetlink]\n netlink_unicast+0x1ae/0x290\n netlink_sendmsg+0x257/0x4f0\n sock_sendmsg+0x5f/0x70\n\nThis patch is to fix it by changing to use NF_CT_STAT_INC_ATOMIC() for\nnf_ct_ext_valid_pre/post() check in nf_conntrack_hash_check_insert(),\nas well as nf_ct_ext_valid_post() in __nf_conntrack_confirm().\n\nNote that nf_ct_ext_valid_pre() check in __nf_conntrack_confirm() is\nsafe to use NF_CT_STAT_INC(), as it's under local_bh_disable()."
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}
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]
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "n/a"
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}
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]
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}
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]
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "Linux",
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"product": {
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"product_data": [
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{
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"product_name": "Linux",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_name": "c56716c69ce1",
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"version_value": "d9bf1138a5db"
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},
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{
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"version_value": "not down converted",
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"x_cve_json_5_version_data": {
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"versions": [
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{
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"version": "5.19",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "5.19",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.0.13",
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"lessThanOrEqual": "6.0.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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],
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"defaultStatus": "affected"
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}
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"references": {
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"reference_data": [
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{
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"url": "https://git.kernel.org/stable/c/d9bf1138a5db419db13bd9fcd3a7178d6bb20f7c",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/d9bf1138a5db419db13bd9fcd3a7178d6bb20f7c"
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},
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{
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"url": "https://git.kernel.org/stable/c/9464d0b68f11a9bc768370c3260ec02b3550447b",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/9464d0b68f11a9bc768370c3260ec02b3550447b"
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}
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]
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},
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"generator": {
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"engine": "bippy-9e1c9544281a"
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}
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} |