mirror of
https://github.com/CVEProject/cvelist.git
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146 lines
9.2 KiB
JSON
146 lines
9.2 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-2022-48935",
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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: nf_tables: unregister flowtable hooks on netns exit\n\nUnregister flowtable hooks before they are releases via\nnf_tables_flowtable_destroy() otherwise hook core reports UAF.\n\nBUG: KASAN: use-after-free in nf_hook_entries_grow+0x5a7/0x700 net/netfilter/core.c:142 net/netfilter/core.c:142\nRead of size 4 at addr ffff8880736f7438 by task syz-executor579/3666\n\nCPU: 0 PID: 3666 Comm: syz-executor579 Not tainted 5.16.0-rc5-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:88 [inline]\n __dump_stack lib/dump_stack.c:88 [inline] lib/dump_stack.c:106\n dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106 lib/dump_stack.c:106\n print_address_description+0x65/0x380 mm/kasan/report.c:247 mm/kasan/report.c:247\n __kasan_report mm/kasan/report.c:433 [inline]\n __kasan_report mm/kasan/report.c:433 [inline] mm/kasan/report.c:450\n kasan_report+0x19a/0x1f0 mm/kasan/report.c:450 mm/kasan/report.c:450\n nf_hook_entries_grow+0x5a7/0x700 net/netfilter/core.c:142 net/netfilter/core.c:142\n __nf_register_net_hook+0x27e/0x8d0 net/netfilter/core.c:429 net/netfilter/core.c:429\n nf_register_net_hook+0xaa/0x180 net/netfilter/core.c:571 net/netfilter/core.c:571\n nft_register_flowtable_net_hooks+0x3c5/0x730 net/netfilter/nf_tables_api.c:7232 net/netfilter/nf_tables_api.c:7232\n nf_tables_newflowtable+0x2022/0x2cf0 net/netfilter/nf_tables_api.c:7430 net/netfilter/nf_tables_api.c:7430\n nfnetlink_rcv_batch net/netfilter/nfnetlink.c:513 [inline]\n nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:634 [inline]\n nfnetlink_rcv_batch net/netfilter/nfnetlink.c:513 [inline] net/netfilter/nfnetlink.c:652\n nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:634 [inline] net/netfilter/nfnetlink.c:652\n nfnetlink_rcv+0x10e6/0x2550 net/netfilter/nfnetlink.c:652 net/netfilter/nfnetlink.c:652\n\n__nft_release_hook() calls nft_unregister_flowtable_net_hooks() which\nonly unregisters the hooks, then after RCU grace period, it is\nguaranteed that no packets add new entries to the flowtable (no flow\noffload rules and flowtable hooks are reachable from packet path), so it\nis safe to call nf_flow_table_free() which cleans up the remaining\nentries from the flowtable (both software and hardware) and it unbinds\nthe flow_block."
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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": "ff4bf2f42a40",
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"version_value": "88c795491bf4"
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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": "5.5",
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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": "5.5",
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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": "4.19.316",
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"lessThanOrEqual": "4.19.*",
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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": "5.4.262",
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"lessThanOrEqual": "5.4.*",
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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": "5.10.198",
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"lessThanOrEqual": "5.10.*",
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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": "5.15.26",
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"lessThanOrEqual": "5.15.*",
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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": "5.16.12",
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"lessThanOrEqual": "5.16.*",
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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": "5.17",
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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/88c795491bf45a8c08a0f94c9ca4f13722e51013",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/88c795491bf45a8c08a0f94c9ca4f13722e51013"
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},
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{
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"url": "https://git.kernel.org/stable/c/b05a24cc453e3cd51b0c79e3c583b5d495eba1d6",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/b05a24cc453e3cd51b0c79e3c583b5d495eba1d6"
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},
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{
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"url": "https://git.kernel.org/stable/c/e51f30826bc5384801df98d76109c94953d1df64",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/e51f30826bc5384801df98d76109c94953d1df64"
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},
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{
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"url": "https://git.kernel.org/stable/c/8ffb8ac3448845f65634889b051bd65e4dee484b",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/8ffb8ac3448845f65634889b051bd65e4dee484b"
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},
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{
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"url": "https://git.kernel.org/stable/c/b4fcc081e527aa2ce12e956912fc47e251f6bd27",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/b4fcc081e527aa2ce12e956912fc47e251f6bd27"
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},
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{
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"url": "https://git.kernel.org/stable/c/6069da443bf65f513bb507bb21e2f87cfb1ad0b6",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/6069da443bf65f513bb507bb21e2f87cfb1ad0b6"
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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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} |