mirror of
https://github.com/CVEProject/cvelist.git
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134 lines
7.6 KiB
JSON
134 lines
7.6 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-2024-41051",
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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\ncachefiles: wait for ondemand_object_worker to finish when dropping object\n\nWhen queuing ondemand_object_worker() to re-open the object,\ncachefiles_object is not pinned. The cachefiles_object may be freed when\nthe pending read request is completed intentionally and the related\nerofs is umounted. If ondemand_object_worker() runs after the object is\nfreed, it will incur use-after-free problem as shown below.\n\nprocess A processs B process C process D\n\ncachefiles_ondemand_send_req()\n// send a read req X\n// wait for its completion\n\n // close ondemand fd\n cachefiles_ondemand_fd_release()\n // set object as CLOSE\n\n cachefiles_ondemand_daemon_read()\n // set object as REOPENING\n queue_work(fscache_wq, &info->ondemand_work)\n\n // close /dev/cachefiles\n cachefiles_daemon_release\n cachefiles_flush_reqs\n complete(&req->done)\n\n// read req X is completed\n// umount the erofs fs\ncachefiles_put_object()\n// object will be freed\ncachefiles_ondemand_deinit_obj_info()\nkmem_cache_free(object)\n // both info and object are freed\n ondemand_object_worker()\n\nWhen dropping an object, it is no longer necessary to reopen the object,\nso use cancel_work_sync() to cancel or wait for ondemand_object_worker()\nto finish."
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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": "f17443d52d80",
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"version_value": "ec9289369259"
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},
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{
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"version_affected": "<",
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"version_name": "f740fd943bb1",
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"version_value": "d3179bae72b1"
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},
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{
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"version_affected": "<",
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"version_name": "0a7e54c1959c",
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"version_value": "b26525b21836"
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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": "6.8",
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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": "6.8",
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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": "6.1.100",
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"lessThanOrEqual": "6.1.*",
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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": "6.6.41",
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"lessThanOrEqual": "6.6.*",
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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": "6.9.10",
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"lessThanOrEqual": "6.9.*",
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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": "6.10",
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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/ec9289369259d982e735a71437e32e6b4035290c",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/ec9289369259d982e735a71437e32e6b4035290c"
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},
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{
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"url": "https://git.kernel.org/stable/c/d3179bae72b1b5e555ba839d6d9f40a350a4d78a",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/d3179bae72b1b5e555ba839d6d9f40a350a4d78a"
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},
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{
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"url": "https://git.kernel.org/stable/c/b26525b2183632f16a3a4108fe6a4bfa8afac6ed",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/b26525b2183632f16a3a4108fe6a4bfa8afac6ed"
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},
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{
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"url": "https://git.kernel.org/stable/c/12e009d60852f7bce0afc373ca0b320f14150418",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/12e009d60852f7bce0afc373ca0b320f14150418"
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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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} |