316 lines
15 KiB
JSON
316 lines
15 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-23292",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-01-13T15:37:45.992Z",
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"datePublished": "2026-03-25T10:26:50.408Z",
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"dateUpdated": "2026-11-05T21:33:35.930Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-23T16:04:30.234Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: Fix recursive locking in __configfs_open_file()\n\nIn flush_write_buffer, &p->frag_sem is acquired and then the loaded store\nfunction is called, which, here, is target_core_item_dbroot_store(). This\nfunction called filp_open(), following which these functions were called\n(in reverse order), according to the call trace:\n\n down_read\n __configfs_open_file\n do_dentry_open\n vfs_open\n do_open\n path_openat\n do_filp_open\n file_open_name\n filp_open\n target_core_item_dbroot_store\n flush_write_buffer\n configfs_write_iter\n\ntarget_core_item_dbroot_store() tries to validate the new file path by\ntrying to open the file path provided to it; however, in this case, the bug\nreport shows:\n\ndb_root: not a directory: /sys/kernel/config/target/dbroot\n\nindicating that the same configfs file was tried to be opened, on which it\nis currently working on. Thus, it is trying to acquire frag_sem semaphore\nof the same file of which it already holds the semaphore obtained in\nflush_write_buffer(), leading to acquiring the semaphore in a nested manner\nand a possibility of recursive locking.\n\nFix this by modifying target_core_item_dbroot_store() to use kern_path()\ninstead of filp_open() to avoid opening the file using filesystem-specific\nfunction __configfs_open_file(), and further modifying it to make this fix\ncompatible."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/target/target_core_configfs.c"
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],
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"versions": [
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{
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"version": "b0841eefd9693827afb9888235e26ddd098f9cef",
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"lessThan": "3161ef61f121d4573cad5b57c92188dcd9b284b3",
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"status": "affected",
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},
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"lessThan": "e8ef82cb6443d5f3260b1b830e17f03dda4229ea",
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"status": "affected",
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},
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"lessThan": "4fcfa424a581d823cb1a9676e3eefe6ca17e453a",
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"status": "affected",
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},
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{
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"version": "b0841eefd9693827afb9888235e26ddd098f9cef",
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"lessThan": "9a5641024fbfd9b24fe65984ad85fea10a3ae438",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "b0841eefd9693827afb9888235e26ddd098f9cef",
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"lessThan": "142eacb50fb903a4c10dee7e67b6e79ebb36a582",
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"status": "affected",
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},
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"version": "b0841eefd9693827afb9888235e26ddd098f9cef",
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"status": "affected",
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},
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{
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"version": "49824b5c875087a52672b0c8e8ecbefe6f773532",
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"status": "affected",
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},
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{
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"version": "09e21253d17f53bdb5aac0e0dbd057a29fcbe8d1",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "0dfc45be875a378c2a3a4d6ed8e668ec8eb75073",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "4.9.201",
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"lessThan": "4.10",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.14.154",
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"lessThan": "4.15",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.19.84",
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"lessThan": "4.20",
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"status": "affected",
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/target/target_core_configfs.c"
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],
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"versions": [
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{
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"version": "5.3",
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"status": "affected"
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},
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{
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"version": "0",
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"status": "unaffected",
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},
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{
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"version": "6.1.167",
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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": "6.6.130",
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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": "6.12.77",
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"lessThanOrEqual": "6.12.*",
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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": "6.18.17",
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"lessThanOrEqual": "6.18.*",
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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": "6.19.7",
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"lessThanOrEqual": "6.19.*",
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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": "7.0",
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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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}
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],
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"cpeApplicability": [
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"url": "https://git.kernel.org/stable/c/e8ef82cb6443d5f3260b1b830e17f03dda4229ea"
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}
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],
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"title": "scsi: target: Fix recursive locking in __configfs_open_file()",
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"dateUpdated": "2026-10-15T01:13:45.389Z"
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"vendor": "Siemens",
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"product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
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"content": {
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"id": "CVE-2026-23292",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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