{"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":"2026-05-11T19:50:46.048Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:50:46.048Z"},"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  <Interrupt>\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"}]},{"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"}}}}