{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-53731", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-10-22T13:21:37.349Z", "datePublished": "2025-10-22T13:23:59.055Z", "dateUpdated": "2026-05-23T15:30:38.411Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:30:38.411Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetlink: fix potential deadlock in netlink_set_err()\n\nsyzbot reported a possible deadlock in netlink_set_err() [1]\n\nA similar issue was fixed in commit 1d482e666b8e (\"netlink: disable IRQs\nfor netlink_lock_table()\") in netlink_lock_table()\n\nThis patch adds IRQ safety to netlink_set_err() and __netlink_diag_dump()\nwhich were not covered by cited commit.\n\n[1]\n\nWARNING: possible irq lock inversion dependency detected\n6.4.0-rc6-syzkaller-00240-g4e9f0ec38852 #0 Not tainted\n\nsyz-executor.2/23011 just changed the state of lock:\nffffffff8e1a7a58 (nl_table_lock){.+.?}-{2:2}, at: netlink_set_err+0x2e/0x3a0 net/netlink/af_netlink.c:1612\nbut this lock was taken by another, SOFTIRQ-safe lock in the past:\n (&local->queue_stop_reason_lock){..-.}-{2:2}\n\nand interrupts could create inverse lock ordering between them.\n\nother info that might help us debug this:\n Possible interrupt unsafe locking scenario:\n\n CPU0 CPU1\n ---- ----\n lock(nl_table_lock);\n local_irq_disable();\n lock(&local->queue_stop_reason_lock);\n lock(nl_table_lock);\n \n lock(&local->queue_stop_reason_lock);\n\n *** DEADLOCK ***" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/netlink/af_netlink.c", "net/netlink/diag.c" ], "versions": [ { "version": "82b2ea5f904b3826934df4a00f3b8806272185f6", "lessThan": "c09e8e3f7fd432984bf5422302b093d2371dfc48", "status": "affected", "versionType": "git" }, { "version": "59fba11d649854134c75ad88c8adafa9304ac419", "lessThan": "4b9adb8d4a62ff7608d4a7d4eb42036a88f30980", "status": "affected", "versionType": "git" }, { "version": "21df0c2e7d195de4a3c650de9361b3037fa6c59a", "lessThan": "8f6652ed2ad98fe6d13b903483d9257762ab2ec6", "status": "affected", "versionType": "git" }, { "version": "1d6d43d4805da9b3fa0f5841e8b1083c89868f35", "lessThan": "cde7b90e0539a3b11da377e463dfd2288a162dbf", "status": "affected", "versionType": "git" }, { "version": "1d482e666b8e74c7555dbdfbfb77205eeed3ff2d", "lessThan": "a641240b7e071c5538dc0e7894ece833fce459dd", "status": "affected", "versionType": "git" }, { "version": "1d482e666b8e74c7555dbdfbfb77205eeed3ff2d", "lessThan": "61ffe8b1ee084e5c82a4e4bbf9e7b68e0c06e464", "status": "affected", "versionType": "git" }, { "version": "1d482e666b8e74c7555dbdfbfb77205eeed3ff2d", "lessThan": "eb8e27c8fa9397b4a7b181c48fa58157dbe9902e", "status": "affected", "versionType": "git" }, { "version": "1d482e666b8e74c7555dbdfbfb77205eeed3ff2d", "lessThan": "1556ba034b95cfd4f75ea93c1a2679ae0444bba1", "status": "affected", "versionType": "git" }, { "version": "1d482e666b8e74c7555dbdfbfb77205eeed3ff2d", "lessThan": "8d61f926d42045961e6b65191c09e3678d86a9cf", "status": "affected", "versionType": "git" }, { "version": "5f155c4046200f067b1dc3140ea99ef56e4e0b74", "status": "affected", "versionType": "git" }, { "version": "a8e9111a8625dd11e70edd61f7a1ccd26c041442", "status": "affected", "versionType": "git" }, { "version": "76cc8e04f38c2bbfcba07f62864a011f142bd40c", "status": "affected", "versionType": "git" }, { "version": "4.14.237", "lessThan": "4.14.322", "status": "affected", "versionType": "semver" }, { "version": "4.19.195", "lessThan": "4.19.291", "status": "affected", "versionType": "semver" }, { "version": "5.4.126", "lessThan": "5.4.251", "status": "affected", "versionType": "semver" }, { "version": "5.10.44", "lessThan": "5.10.188", "status": "affected", "versionType": "semver" }, { "version": "4.4.273", "lessThan": "4.5", "status": "affected", "versionType": "semver" }, { "version": "4.9.273", "lessThan": "4.10", "status": "affected", "versionType": "semver" }, { "version": "5.12.11", "lessThan": "5.13", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/netlink/af_netlink.c", "net/netlink/diag.c" ], "versions": [ { "version": "5.13", "status": "affected" }, { "version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.322", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.291", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.251", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.188", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.121", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.39", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.3.13", "lessThanOrEqual": "6.3.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.4.4", "lessThanOrEqual": "6.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.5", "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": "4.14.237", "versionEndExcluding": "4.14.322" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.195", "versionEndExcluding": "4.19.291" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4.126", "versionEndExcluding": "5.4.251" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.44", "versionEndExcluding": "5.10.188" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "5.15.121" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.1.39" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.3.13" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.4.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.5" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4.273" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9.273" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12.11" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/c09e8e3f7fd432984bf5422302b093d2371dfc48" }, { "url": "https://git.kernel.org/stable/c/4b9adb8d4a62ff7608d4a7d4eb42036a88f30980" }, { "url": "https://git.kernel.org/stable/c/8f6652ed2ad98fe6d13b903483d9257762ab2ec6" }, { "url": "https://git.kernel.org/stable/c/cde7b90e0539a3b11da377e463dfd2288a162dbf" }, { "url": "https://git.kernel.org/stable/c/a641240b7e071c5538dc0e7894ece833fce459dd" }, { "url": "https://git.kernel.org/stable/c/61ffe8b1ee084e5c82a4e4bbf9e7b68e0c06e464" }, { "url": "https://git.kernel.org/stable/c/eb8e27c8fa9397b4a7b181c48fa58157dbe9902e" }, { "url": "https://git.kernel.org/stable/c/1556ba034b95cfd4f75ea93c1a2679ae0444bba1" }, { "url": "https://git.kernel.org/stable/c/8d61f926d42045961e6b65191c09e3678d86a9cf" } ], "title": "netlink: fix potential deadlock in netlink_set_err()", "x_generator": { "engine": "bippy-1.2.0" } } } }