An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an iouring/fdinfo.c iouringshowfdinfo NULL pointer dereference can occur.
[
{
"id": "CVE-2023-46862-6d14436a",
"deprecated": false,
"digest": {
"line_hashes": [
"13427290630542074587263367052795808550",
"59886500722852935817381875537014869211",
"229962636319330630030984691774715820086",
"290553519421713621261339181901416410979",
"171332124853571306578759490886269906875",
"4390559447861616531953994275102451148",
"282797349068712099864445983170963848403",
"82729862815895108572024029218490670333",
"34451521636533998829543177696706432160",
"235155564653904262387262801345409412943",
"136177011089850237471952778860300081130",
"271498951731292845560673627394735002994",
"217376474508985438291723353216936074478",
"169215592273404774081172999408710410081",
"50974395714961802215057411445651652832",
"76405668985104427832876605328581883390",
"44153794372723455886147363362106726536"
],
"threshold": 0.9
},
"signature_version": "v1",
"target": {
"file": "io_uring/fdinfo.c"
},
"source": "https://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46",
"signature_type": "Line"
},
{
"id": "CVE-2023-46862-e1547ce9",
"deprecated": false,
"digest": {
"function_hash": "50506641432138728315602323250952027015",
"length": 4654.0
},
"signature_version": "v1",
"target": {
"function": "io_uring_show_fdinfo",
"file": "io_uring/fdinfo.c"
},
"source": "https://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46",
"signature_type": "Function"
}
]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-46862.json"