An issue was discovered in l2capsockrelease in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-40283.json"
[
{
"signature_type": "Line",
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@1728137b33c00d5a2b5110ed7aafb42e7c32e4a1",
"digest": {
"line_hashes": [
"339609547003942135560514604437291504795",
"55718516953224829492552450137423150405",
"76581309219573030842288243343586565881",
"331447495385997575368023665041561998031",
"248120380418207341698293651706665031585",
"26712689605053800071084639447963416915",
"96959177368608753265450032712913107833"
],
"threshold": 0.9
},
"id": "CVE-2023-40283-3f74ae4b",
"deprecated": false,
"target": {
"file": "net/bluetooth/l2cap_sock.c"
}
},
{
"signature_type": "Function",
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@1728137b33c00d5a2b5110ed7aafb42e7c32e4a1",
"digest": {
"function_hash": "242023350044637033914680751685048372737",
"length": 403.0
},
"id": "CVE-2023-40283-a5995931",
"deprecated": false,
"target": {
"file": "net/bluetooth/l2cap_sock.c",
"function": "l2cap_sock_release"
}
}
]
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-40283.json"
[
{
"signature_type": "Function",
"signature_version": "v1",
"source": "https://github.com/torvalds/linux/commit/1728137b33c00d5a2b5110ed7aafb42e7c32e4a1",
"digest": {
"function_hash": "242023350044637033914680751685048372737",
"length": 403.0
},
"id": "CVE-2023-40283-1ac154b2",
"deprecated": false,
"target": {
"file": "net/bluetooth/l2cap_sock.c",
"function": "l2cap_sock_release"
}
},
{
"signature_type": "Line",
"signature_version": "v1",
"source": "https://github.com/torvalds/linux/commit/1728137b33c00d5a2b5110ed7aafb42e7c32e4a1",
"digest": {
"line_hashes": [
"339609547003942135560514604437291504795",
"55718516953224829492552450137423150405",
"76581309219573030842288243343586565881",
"331447495385997575368023665041561998031",
"248120380418207341698293651706665031585",
"26712689605053800071084639447963416915",
"96959177368608753265450032712913107833"
],
"threshold": 0.9
},
"id": "CVE-2023-40283-856104ee",
"deprecated": false,
"target": {
"file": "net/bluetooth/l2cap_sock.c"
}
}
]