| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "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." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "fs/cachefiles/ondemand.c" |
| ], |
| "versions": [ |
| { |
| "version": "f17443d52d805c9a7fab5e67a4e8b973626fe1cd", |
| "lessThan": "ec9289369259d982e735a71437e32e6b4035290c", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "f740fd943bb1fbf79b7eaba3c71eb7536f437f51", |
| "lessThan": "d3179bae72b1b5e555ba839d6d9f40a350a4d78a", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "0a7e54c1959c0feb2de23397ec09c7692364313e", |
| "lessThan": "b26525b2183632f16a3a4108fe6a4bfa8afac6ed", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "0a7e54c1959c0feb2de23397ec09c7692364313e", |
| "lessThan": "12e009d60852f7bce0afc373ca0b320f14150418", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "fs/cachefiles/ondemand.c" |
| ], |
| "versions": [ |
| { |
| "version": "6.8", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "6.8", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.100", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.41", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.9.10", |
| "lessThanOrEqual": "6.9.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.10", |
| "lessThanOrEqual": "*", |
| "status": "unaffected", |
| "versionType": "original_commit_for_fix" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.1.95", |
| "versionEndExcluding": "6.1.100" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.6.35", |
| "versionEndExcluding": "6.6.41" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.8", |
| "versionEndExcluding": "6.9.10" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.8", |
| "versionEndExcluding": "6.10" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/ec9289369259d982e735a71437e32e6b4035290c" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/d3179bae72b1b5e555ba839d6d9f40a350a4d78a" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b26525b2183632f16a3a4108fe6a4bfa8afac6ed" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/12e009d60852f7bce0afc373ca0b320f14150418" |
| } |
| ], |
| "title": "cachefiles: wait for ondemand_object_worker to finish when dropping object", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-41051", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
