{"id":"CVE-2023-53464","title":"scsi: iscsi_tcp: Check that sock is valid before iscsi_set_param()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: iscsi_tcp: Check that sock is valid before iscsi_set_param()\n\nThe validity of sock should be checked before assignment to avoid incorrect\nvalues. Commit 57569c37f…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 884a788f065578bb640382279a83d1df433b13e6 < 499757ad3332e2527254f9ab68dec1da087b1d96","Linux >= a26b0658751bb0a3b28386fca715333b104d32a2 < 5e5c5f472972c4bc9430adc08b36763a0fa5b9f7","Linux >= 57569c37f0add1b6489e1a1563c71519daf732cf < 6e06a68fbbfcd8576eee8f7139fa2b13c9b72e91","Linux >= 57569c37f0add1b6489e1a1563c71519daf732cf < b287e21e73ec23f3788fbe40037c42dbe6e9a9a9","Linux >= 57569c37f0add1b6489e1a1563c71519daf732cf < 48b19b79cfa37b1e50da3b5a8af529f994c08901","Linux 897dbbc57d71e8a34ec1af8e573a142de457da38","Linux 0a0b861fce2657ba08ec356a74346b37ca4b2008","Linux >= 5.10.150 < 5.10.178","Linux >= 5.15.75 < 5.15.107","Linux >= 5.19.17 < 5.20","Linux >= 6.0.3 < 6.1","Linux 6.1"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:21:33.666694Z"},"published":"2025-10-01","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:31:10.388Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-53464","references":[{"url":"https://git.kernel.org/stable/c/499757ad3332e2527254f9ab68dec1da087b1d96"},{"url":"https://git.kernel.org/stable/c/5e5c5f472972c4bc9430adc08b36763a0fa5b9f7"},{"url":"https://git.kernel.org/stable/c/6e06a68fbbfcd8576eee8f7139fa2b13c9b72e91"},{"url":"https://git.kernel.org/stable/c/b287e21e73ec23f3788fbe40037c42dbe6e9a9a9"},{"url":"https://git.kernel.org/stable/c/48b19b79cfa37b1e50da3b5a8af529f994c08901"}],"tags":["cve.org"],"epss":0.00166,"epssPercentile":0.05899,"ingestedAt":"2026-11-05T22:38:31.798Z","slug":"CVE-2023-53464","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nscsi: iscsi_tcp: Check that sock is valid before iscsi_set_param()\n\nThe validity of sock should be checked before assignment to avoid incorrect\nvalues. Commit 57569c37f0ad (\"scsi: iscsi: iscsi_tcp: Fix null-ptr-deref\nwhile calling getpeername()\") introduced this change which may lead to\ninconsistent values of tcp_sw_conn->sendpage and conn->datadgst_en.\n\nFix the issue by moving the position of the assignment.\n\n## Affected\n\n- `Linux >= 884a788f065578bb640382279a83d1df433b13e6 < 499757ad3332e2527254f9ab68dec1da087b1d96`\n- `Linux >= a26b0658751bb0a3b28386fca715333b104d32a2 < 5e5c5f472972c4bc9430adc08b36763a0fa5b9f7`\n- `Linux >= 57569c37f0add1b6489e1a1563c71519daf732cf < 6e06a68fbbfcd8576eee8f7139fa2b13c9b72e91`\n- `Linux >= 57569c37f0add1b6489e1a1563c71519daf732cf < b287e21e73ec23f3788fbe40037c42dbe6e9a9a9`\n- `Linux >= 57569c37f0add1b6489e1a1563c71519daf732cf < 48b19b79cfa37b1e50da3b5a8af529f994c08901`\n- `Linux 897dbbc57d71e8a34ec1af8e573a142de457da38`\n- `Linux 0a0b861fce2657ba08ec356a74346b37ca4b2008`\n- `Linux >= 5.10.150 < 5.10.178`\n- `Linux >= 5.15.75 < 5.15.107`\n- `Linux >= 5.19.17 < 5.20`\n- `Linux >= 6.0.3 < 6.1`\n- `Linux 6.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}