{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-38700", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:24.032Z", "datePublished": "2025-09-04T15:32:52.241Z", "dateUpdated": "2026-05-12T12:05:37.822Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:33:17.792Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: libiscsi: Initialize iscsi_conn->dd_data only if memory is allocated\n\nIn case of an ib_fast_reg_mr allocation failure during iSER setup, the\nmachine hits a panic because iscsi_conn->dd_data is initialized\nunconditionally, even when no memory is allocated (dd_size == 0). This\nleads invalid pointer dereference during connection teardown.\n\nFix by setting iscsi_conn->dd_data only if memory is actually allocated.\n\nPanic trace:\n------------\n iser: iser_create_fastreg_desc: Failed to allocate ib_fast_reg_mr err=-12\n iser: iser_alloc_rx_descriptors: failed allocating rx descriptors / data buffers\n BUG: unable to handle page fault for address: fffffffffffffff8\n RIP: 0010:swake_up_locked.part.5+0xa/0x40\n Call Trace:\n complete+0x31/0x40\n iscsi_iser_conn_stop+0x88/0xb0 [ib_iser]\n iscsi_stop_conn+0x66/0xc0 [scsi_transport_iscsi]\n iscsi_if_stop_conn+0x14a/0x150 [scsi_transport_iscsi]\n iscsi_if_rx+0x1135/0x1834 [scsi_transport_iscsi]\n ? netlink_lookup+0x12f/0x1b0\n ? netlink_deliver_tap+0x2c/0x200\n netlink_unicast+0x1ab/0x280\n netlink_sendmsg+0x257/0x4f0\n ? _copy_from_user+0x29/0x60\n sock_sendmsg+0x5f/0x70" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/scsi/libiscsi.c" ], "versions": [ { "version": "5d91e209fb21fb9cc765729d4c6a85a9fb6c9187", "lessThan": "f53af99f441ee79599d8df6113a7144d74cf9153", "status": "affected", "versionType": "git" }, { "version": "5d91e209fb21fb9cc765729d4c6a85a9fb6c9187", "lessThan": "9ea6d961566c7d762ed0204b06db05756fdda3b6", "status": "affected", "versionType": "git" }, { "version": "5d91e209fb21fb9cc765729d4c6a85a9fb6c9187", "lessThan": "fd5aad080edb501ab5c84b7623d612d0e3033403", "status": "affected", "versionType": "git" }, { "version": "5d91e209fb21fb9cc765729d4c6a85a9fb6c9187", "lessThan": "a145c269dc5380c063a20a0db7e6df2995962e9d", "status": "affected", "versionType": "git" }, { "version": "5d91e209fb21fb9cc765729d4c6a85a9fb6c9187", "lessThan": "66a373f50b4249d57f5a88c7be9676f9d5884865", "status": "affected", "versionType": "git" }, { "version": "5d91e209fb21fb9cc765729d4c6a85a9fb6c9187", "lessThan": "35782c32528d82aa21f84cb5ceb2abd3526a8159", "status": "affected", "versionType": "git" }, { "version": "5d91e209fb21fb9cc765729d4c6a85a9fb6c9187", "lessThan": "a33d42b7fc24fe03f239fbb0880dd5b4b4b97c19", "status": "affected", "versionType": "git" }, { "version": "5d91e209fb21fb9cc765729d4c6a85a9fb6c9187", "lessThan": "2b242ea14386a510010eabfbfc3ce81a101f3802", "status": "affected", "versionType": "git" }, { "version": "5d91e209fb21fb9cc765729d4c6a85a9fb6c9187", "lessThan": "3ea3a256ed81f95ab0f3281a0e234b01a9cae605", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/scsi/libiscsi.c" ], "versions": [ { "version": "2.6.27", "status": "affected" }, { "version": "0", "lessThan": "2.6.27", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.297", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.241", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.190", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.149", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.103", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.43", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.15.11", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.16.2", "lessThanOrEqual": "6.16.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.17", "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": "2.6.27", "versionEndExcluding": "5.4.297" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "5.10.241" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "5.15.190" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "6.1.149" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "6.6.103" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "6.12.43" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "6.15.11" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "6.16.2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.27", "versionEndExcluding": "6.17" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/f53af99f441ee79599d8df6113a7144d74cf9153" }, { "url": "https://git.kernel.org/stable/c/9ea6d961566c7d762ed0204b06db05756fdda3b6" }, { "url": "https://git.kernel.org/stable/c/fd5aad080edb501ab5c84b7623d612d0e3033403" }, { "url": "https://git.kernel.org/stable/c/a145c269dc5380c063a20a0db7e6df2995962e9d" }, { "url": "https://git.kernel.org/stable/c/66a373f50b4249d57f5a88c7be9676f9d5884865" }, { "url": "https://git.kernel.org/stable/c/35782c32528d82aa21f84cb5ceb2abd3526a8159" }, { "url": "https://git.kernel.org/stable/c/a33d42b7fc24fe03f239fbb0880dd5b4b4b97c19" }, { "url": "https://git.kernel.org/stable/c/2b242ea14386a510010eabfbfc3ce81a101f3802" }, { "url": "https://git.kernel.org/stable/c/3ea3a256ed81f95ab0f3281a0e234b01a9cae605" } ], "title": "scsi: libiscsi: Initialize iscsi_conn->dd_data only if memory is allocated", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CVE Program Container", "references": [ { "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html" }, { "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html" } ], "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T17:41:31.738Z" } }, { "x_adpType": "supplier", "providerMetadata": { "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-05-12T12:05:37.822Z" }, "affected": [ { "vendor": "Siemens", "product": "SIMATIC CN 4100", "versions": [ { "status": "affected", "version": "0", "lessThan": "V5.0", "versionType": "custom" } ], "defaultStatus": "unknown" } ], "references": [ { "url": "https://cert-portal.siemens.com/productcert/html/ssa-032379.html" } ] } ] } }