CVE-2026-23292

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23292", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:45.992Z", "datePublished": "2026-03-25T10:26:50.408Z", "dateUpdated": "2026-11-05T21:33:35.930Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T16:04:30.234Z"}, "descriptions": [{"lang": "en", "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/target/target_core_configfs.c"], "versions": [{"version": "b0841eefd9693827afb9888235e26ddd098f9cef", "lessThan": "3161ef61f121d4573cad5b57c92188dcd9b284b3", "status": "affected", "versionType": "git"}, {"version": "b0841eefd9693827afb9888235e26ddd098f9cef", "lessThan": "e8ef82cb6443d5f3260b1b830e17f03dda4229ea", "status": "affected", "versionType": "git"}, {"version": "b0841eefd9693827afb9888235e26ddd098f9cef", "lessThan": "4fcfa424a581d823cb1a9676e3eefe6ca17e453a", "status": "affected", "versionType": "git"}, {"version": "b0841eefd9693827afb9888235e26ddd098f9cef", "lessThan": "9a5641024fbfd9b24fe65984ad85fea10a3ae438", "status": "affected", "versionType": "git"}, {"version": "b0841eefd9693827afb9888235e26ddd098f9cef", "lessThan": "142eacb50fb903a4c10dee7e67b6e79ebb36a582", "status": "affected", "versionType": "git"}, {"version": "b0841eefd9693827afb9888235e26ddd098f9cef", "lessThan": "14d4ac19d1895397532eec407433c5d74d9da53b", "status": "affected", "versionType": "git"}, {"version": "49824b5c875087a52672b0c8e8ecbefe6f773532", "status": "affected", "versionType": "git"}, {"version": "09e21253d17f53bdb5aac0e0dbd057a29fcbe8d1", "status": "affected", "versionType": "git"}, {"version": "0dfc45be875a378c2a3a4d6ed8e668ec8eb75073", "status": "affected", "versionType": "git"}, {"version": "4.9.201", "lessThan": "4.10", "status": "affected", "versionType": "semver"}, {"version": "4.14.154", "lessThan": "4.15", "status": "affected", "versionType": "semver"}, {"version": "4.19.84", "lessThan": "4.20", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/target/target_core_configfs.c"], "versions": [{"version": "5.3", "status": "affected"}, {"version": "0", "lessThan": "5.3", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.167", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.130", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.77", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.17", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.7", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "5.3", "versionEndExcluding": "6.1.167"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.6.130"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.12.77"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.18.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.19.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "7.0"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9.201"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14.154"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.84"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3161ef61f121d4573cad5b57c92188dcd9b284b3"}, {"url": "https://git.kernel.org/stable/c/e8ef82cb6443d5f3260b1b830e17f03dda4229ea"}, {"url": "https://git.kernel.org/stable/c/4fcfa424a581d823cb1a9676e3eefe6ca17e453a"}, {"url": "https://git.kernel.org/stable/c/9a5641024fbfd9b24fe65984ad85fea10a3ae438"}, {"url": "https://git.kernel.org/stable/c/142eacb50fb903a4c10dee7e67b6e79ebb36a582"}, {"url": "https://git.kernel.org/stable/c/14d4ac19d1895397532eec407433c5d74d9da53b"}], "title": "scsi: target: Fix recursive locking in __configfs_open_file()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"x_adpType": "supplier", "providerMetadata": {"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-10-15T01:13:45.389Z"}, "affected": [{"vendor": "Siemens", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-23292", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-05T21:25:22.318518Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-05T21:33:35.930Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"affected": [{"vendor": "Siemens", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}], "x_adpType": "supplier", "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"}], "providerMetadata": {"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-10-15T01:13:45.389Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-23292", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-05T21:25:22.318518Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-05T21:25:23.446Z"}}], "cna": {"title": "scsi: target: Fix recursive locking in __configfs_open_file()", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "b0841eefd9693827afb9888235e26ddd098f9cef", "lessThan": "3161ef61f121d4573cad5b57c92188dcd9b284b3", "versionType": "git"}, {"status": "affected", "version": "b0841eefd9693827afb9888235e26ddd098f9cef", "lessThan": "e8ef82cb6443d5f3260b1b830e17f03dda4229ea", "versionType": "git"}, {"status": "affected", "version": "b0841eefd9693827afb9888235e26ddd098f9cef", "lessThan": "4fcfa424a581d823cb1a9676e3eefe6ca17e453a", "versionType": "git"}, {"status": "affected", "version": "b0841eefd9693827afb9888235e26ddd098f9cef", "lessThan": "9a5641024fbfd9b24fe65984ad85fea10a3ae438", "versionType": "git"}, {"status": "affected", "version": "b0841eefd9693827afb9888235e26ddd098f9cef", "lessThan": "142eacb50fb903a4c10dee7e67b6e79ebb36a582", "versionType": "git"}, {"status": "affected", "version": "b0841eefd9693827afb9888235e26ddd098f9cef", "lessThan": "14d4ac19d1895397532eec407433c5d74d9da53b", "versionType": "git"}, {"status": "affected", "version": "49824b5c875087a52672b0c8e8ecbefe6f773532", "versionType": "git"}, {"status": "affected", "version": "09e21253d17f53bdb5aac0e0dbd057a29fcbe8d1", "versionType": "git"}, {"status": "affected", "version": "0dfc45be875a378c2a3a4d6ed8e668ec8eb75073", "versionType": "git"}, {"status": "affected", "version": "4.9.201", "lessThan": "4.10", "versionType": "semver"}, {"status": "affected", "version": "4.14.154", "lessThan": "4.15", "versionType": "semver"}, {"status": "affected", "version": "4.19.84", "lessThan": "4.20", "versionType": "semver"}], "programFiles": ["drivers/target/target_core_configfs.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.3"}, {"status": "unaffected", "version": "0", "lessThan": "5.3", "versionType": "semver"}, {"status": "unaffected", "version": "6.1.167", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.130", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.77", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.17", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19.7", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/target/target_core_configfs.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/3161ef61f121d4573cad5b57c92188dcd9b284b3"}, {"url": "https://git.kernel.org/stable/c/e8ef82cb6443d5f3260b1b830e17f03dda4229ea"}, {"url": "https://git.kernel.org/stable/c/4fcfa424a581d823cb1a9676e3eefe6ca17e453a"}, {"url": "https://git.kernel.org/stable/c/9a5641024fbfd9b24fe65984ad85fea10a3ae438"}, {"url": "https://git.kernel.org/stable/c/142eacb50fb903a4c10dee7e67b6e79ebb36a582"}, {"url": "https://git.kernel.org/stable/c/14d4ac19d1895397532eec407433c5d74d9da53b"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "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."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.167", "versionStartIncluding": "5.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.130", "versionStartIncluding": "5.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.77", "versionStartIncluding": "5.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.17", "versionStartIncluding": "5.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.19.7", "versionStartIncluding": "5.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.0", "versionStartIncluding": "5.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "4.9.201"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "4.14.154"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "4.19.84"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T16:04:30.234Z"}}}, "cveMetadata": {"cveId": "CVE-2026-23292", "state": "PUBLISHED", "dateUpdated": "2026-11-05T21:33:35.930Z", "dateReserved": "2026-01-13T15:37:45.992Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-03-25T10:26:50.408Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/target/target_core_configfs.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "3161ef61f121d4573cad5b57c92188dcd9b284b3", "status": "affected", "version": "b0841eefd9693827afb9888235e26ddd098f9cef", "versionType": "git"}, {"lessThan": "e8ef82cb6443d5f3260b1b830e17f03dda4229ea", "status": "affected", "version": "b0841eefd9693827afb9888235e26ddd098f9cef", "versionType": "git"}, {"lessThan": "4fcfa424a581d823cb1a9676e3eefe6ca17e453a", "status": "affected", "version": "b0841eefd9693827afb9888235e26ddd098f9cef", "versionType": "git"}, {"lessThan": "9a5641024fbfd9b24fe65984ad85fea10a3ae438", "status": "affected", "version": "b0841eefd9693827afb9888235e26ddd098f9cef", "versionType": "git"}, {"lessThan": "142eacb50fb903a4c10dee7e67b6e79ebb36a582", "status": "affected", "version": "b0841eefd9693827afb9888235e26ddd098f9cef", "versionType": "git"}, {"lessThan": "14d4ac19d1895397532eec407433c5d74d9da53b", "status": "affected", "version": "b0841eefd9693827afb9888235e26ddd098f9cef", "versionType": "git"}, {"status": "affected", "version": "49824b5c875087a52672b0c8e8ecbefe6f773532", "versionType": "git"}, {"status": "affected", "version": "09e21253d17f53bdb5aac0e0dbd057a29fcbe8d1", "versionType": "git"}, {"status": "affected", "version": "0dfc45be875a378c2a3a4d6ed8e668ec8eb75073", "versionType": "git"}, {"lessThan": "4.10", "status": "affected", "version": "4.9.201", "versionType": "semver"}, {"lessThan": "4.15", "status": "affected", "version": "4.14.154", "versionType": "semver"}, {"lessThan": "4.20", "status": "affected", "version": "4.19.84", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/target/target_core_configfs.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.3"}, {"lessThan": "5.3", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.167", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.130", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.77", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.17", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.7", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"affectedData": [{"defaultStatus": "unknown", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "98FE002B-FFEB-420A-9E67-5E04854D1169", "versionEndExcluding": "4.10", "versionStartIncluding": "4.9.201", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "344FEFB4-E393-4E04-905A-4734AC267EC1", "versionEndExcluding": "4.15", "versionStartIncluding": "4.14.154", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B7EACEB9-7173-47F4-83A4-AE06CE74D78B", "versionEndExcluding": "4.20", "versionStartIncluding": "4.19.84", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "761FF490-ED98-4C4D-998C-6CFBB8D2B911", "versionEndExcluding": "6.1.167", "versionStartIncluding": "5.3.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C57BB918-DF28-46B3-94F7-144176841267", "versionEndExcluding": "6.6.130", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B3D12E00-E42D-4056-B354-BAD4903C03A5", "versionEndExcluding": "6.12.77", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A5E006E4-59C7-43C1-9231-62A72219F2BA", "versionEndExcluding": "6.18.17", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "69245D10-0B71-485E-80C3-A64F077004D3", "versionEndExcluding": "6.19.7", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.3:-:*:*:*:*:*:*", "matchCriteriaId": "D036D76E-AC69-4382-B4C1-8EDA1ABB2941", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.3:rc8:*:*:*:*:*:*", "matchCriteriaId": "999345BA-F820-40B9-A711-32CA9265C289", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "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."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nscsi: target: Correcci\u00f3n de bloqueo recursivo en __configfs_open_file()\n\nEn flush_write_buffer, se adquiere &p->frag_sem y luego se llama a la funci\u00f3n de almacenamiento cargada, que, aqu\u00ed, es target_core_item_dbroot_store(). Esta funci\u00f3n llam\u00f3 a filp_open(), tras lo cual se llamaron a estas funciones (en orden inverso), seg\u00fan el rastro de llamadas:\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() intenta validar la nueva ruta de archivo intentando abrir la ruta de archivo que se le proporcion\u00f3; sin embargo, en este caso, el informe de error muestra:\n\ndb_root: not a directory: /sys/kernel/config/target/dbroot\n\nindicando que se intent\u00f3 abrir el mismo archivo configfs, en el que est\u00e1 trabajando actualmente. As\u00ed, est\u00e1 intentando adquirir el sem\u00e1foro frag_sem del mismo archivo del que ya posee el sem\u00e1foro obtenido en flush_write_buffer(), lo que lleva a adquirir el sem\u00e1foro de forma anidada y una posibilidad de bloqueo recursivo.\n\nSolucione esto modificando target_core_item_dbroot_store() para usar kern_path() en lugar de filp_open() para evitar abrir el archivo usando la funci\u00f3n espec\u00edfica del sistema de archivos __configfs_open_file(), y modific\u00e1ndolo a\u00fan m\u00e1s para hacer que esta correcci\u00f3n sea compatible."}], "id": "CVE-2026-23292", "lastModified": "2026-11-05T22:18:11.993", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-23292", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T21:25:22.318518Z", "version": "2.0.3"}}]}, "published": "2026-03-25T11:16:24.357", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/142eacb50fb903a4c10dee7e67b6e79ebb36a582"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/14d4ac19d1895397532eec407433c5d74d9da53b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3161ef61f121d4573cad5b57c92188dcd9b284b3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4fcfa424a581d823cb1a9676e3eefe6ca17e453a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9a5641024fbfd9b24fe65984ad85fea10a3ae438"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e8ef82cb6443d5f3260b1b830e17f03dda4229ea"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-674"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: scsi: target: Fix recursive locking in __configfs_open_file()", "id": "2451185", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451185"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-764", "details": ["A flaw was found in the Linux kernel's `scsi: target` subsystem. A local user could trigger a recursive locking condition when the `target_core_item_dbroot_store()` function attempts to open a `configfs` file for which it already holds a semaphore. This could lead to a system hang, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-23292", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-03-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23292\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23292\nhttps://lore.kernel.org/linux-cve-announce/2026032525-CVE-2026-23292-67e8@gregkh/T"], "statement": "This flaw affects systems using SCSI target (LIO) with configfs. The recursive lock occurs when writing to the dbroot configfs attribute with the path pointing to the same configfs file. This causes the frag_sem semaphore to be acquired twice, leading to a deadlock. Exploiting this requires access to the target configfs interface, typically requiring root privileges.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,3161ef61f121d4573cad5b57c92188dcd9b284b3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,e8ef82cb6443d5f3260b1b830e17f03dda4229ea)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,4fcfa424a581d823cb1a9676e3eefe6ca17e453a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,9a5641024fbfd9b24fe65984ad85fea10a3ae438)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,142eacb50fb903a4c10dee7e67b6e79ebb36a582)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,14d4ac19d1895397532eec407433c5d74d9da53b)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.167,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.130,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.77,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.17,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.7,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0-rc3,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-03-25T21:15:38.451256+00:00", "updated": "2026-05-27T14:45:35.574397+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}