mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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25 lines
1.3 KiB
JSON
25 lines
1.3 KiB
JSON
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{
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"id": "CVE-2022-49622",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2025-02-26T07:01:37.580",
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"lastModified": "2025-02-26T07:01:37.580",
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"vulnStatus": "Received",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: avoid skb access on nf_stolen\n\nWhen verdict is NF_STOLEN, the skb might have been freed.\n\nWhen tracing is enabled, this can result in a use-after-free:\n1. access to skb->nf_trace\n2. access to skb->mark\n3. computation of trace id\n4. dump of packet payload\n\nTo avoid 1, keep a cached copy of skb->nf_trace in the\ntrace state struct.\nRefresh this copy whenever verdict is != STOLEN.\n\nAvoid 2 by skipping skb->mark access if verdict is STOLEN.\n\n3 is avoided by precomputing the trace id.\n\nOnly dump the packet when verdict is not \"STOLEN\"."
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}
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],
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"metrics": {},
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/0016d5d46d7440729a3132f61a8da3bf7f84e2ba",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/e34b9ed96ce3b06c79bf884009b16961ca478f87",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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}
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