cvelist/2024/39xxx/CVE-2024-39495.json
2024-11-05 10:03:14 +00:00

147 lines
8.0 KiB
JSON

{
"data_version": "4.0",
"data_type": "CVE",
"data_format": "MITRE",
"CVE_data_meta": {
"ID": "CVE-2024-39495",
"ASSIGNER": "cve@kernel.org",
"STATE": "PUBLIC"
},
"description": {
"description_data": [
{
"lang": "eng",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngreybus: Fix use-after-free bug in gb_interface_release due to race condition.\n\nIn gb_interface_create, &intf->mode_switch_completion is bound with\ngb_interface_mode_switch_work. Then it will be started by\ngb_interface_request_mode_switch. Here is the relevant code.\nif (!queue_work(system_long_wq, &intf->mode_switch_work)) {\n\t...\n}\n\nIf we call gb_interface_release to make cleanup, there may be an\nunfinished work. This function will call kfree to free the object\n\"intf\". However, if gb_interface_mode_switch_work is scheduled to\nrun after kfree, it may cause use-after-free error as\ngb_interface_mode_switch_work will use the object \"intf\".\nThe possible execution flow that may lead to the issue is as follows:\n\nCPU0 CPU1\n\n | gb_interface_create\n | gb_interface_request_mode_switch\ngb_interface_release |\nkfree(intf) (free) |\n | gb_interface_mode_switch_work\n | mutex_lock(&intf->mutex) (use)\n\nFix it by canceling the work before kfree."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"affects": {
"vendor": {
"vendor_data": [
{
"vendor_name": "Linux",
"product": {
"product_data": [
{
"product_name": "Linux",
"version": {
"version_data": [
{
"version_affected": "<",
"version_name": "1da177e4c3f4",
"version_value": "74cd0a421896"
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"versions": [
{
"version": "5.4.279",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.221",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.162",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.95",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.35",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.9.6",
"lessThanOrEqual": "6.9.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.10",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
],
"defaultStatus": "affected"
}
}
]
}
}
]
}
}
]
}
},
"references": {
"reference_data": [
{
"url": "https://git.kernel.org/stable/c/74cd0a421896b2e07eafe7da4275302bfecef201",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/74cd0a421896b2e07eafe7da4275302bfecef201"
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{
"url": "https://git.kernel.org/stable/c/2b6bb0b4abfd79b8698ee161bb73c0936a2aaf83",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/2b6bb0b4abfd79b8698ee161bb73c0936a2aaf83"
},
{
"url": "https://git.kernel.org/stable/c/fb071f5c75d4b1c177824de74ee75f9dd34123b9",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/fb071f5c75d4b1c177824de74ee75f9dd34123b9"
},
{
"url": "https://git.kernel.org/stable/c/9a733d69a4a59c2d08620e6589d823c24be773dc",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/9a733d69a4a59c2d08620e6589d823c24be773dc"
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{
"url": "https://git.kernel.org/stable/c/0b8fba38bdfb848fac52e71270b2aa3538c996ea",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/0b8fba38bdfb848fac52e71270b2aa3538c996ea"
},
{
"url": "https://git.kernel.org/stable/c/03ea2b129344152157418929f06726989efc0445",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/03ea2b129344152157418929f06726989efc0445"
},
{
"url": "https://git.kernel.org/stable/c/5c9c5d7f26acc2c669c1dcf57d1bb43ee99220ce",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/5c9c5d7f26acc2c669c1dcf57d1bb43ee99220ce"
}
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