{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2025-37824", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-37824", "idYear": 2025, "status": "PUBLISHED", "publishedAt": "2025-05-08T06:26:17.476Z", "updatedAt": "2026-05-23T15:58:18.718Z", "importedAt": "2026-10-24T01:57:34.152Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "tipc: fix NULL pointer dereference in tipc_mon_reinit_self()", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix NULL pointer dereference in tipc_mon_reinit_self()\n\nsyzbot reported:\n\ntipc: Node number set to 1055423674\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nCPU: 3 UID: 0 PID: 6017 Comm: kworker/3:5 Not tainted 6.15.0-rc1-syzkaller-00246-g900241a5cc15 #0 PREEMPT(full)\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014\nWorkqueue: events tipc_net_finalize_work\nRIP: 0010:tipc_mon_reinit_self+0x11c/0x210 net/tipc/monitor.c:719\n...\nRSP: 0018:ffffc9000356fb68 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000003ee87cba\nRDX: 0000000000000000 RSI: ffffffff8dbc56a7 RDI: ffff88804c2cc010\nRBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000007\nR13: fffffbfff2111097 R14: ffff88804ead8000 R15: ffff88804ead9010\nFS: 0000000000000000(0000) GS:ffff888097ab9000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00000000f720eb00 CR3: 000000000e182000 CR4: 0000000000352ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \n tipc_net_finalize+0x10b/0x180 net/tipc/net.c:140\n process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238\n process_scheduled_works kernel/workqueue.c:3319 [inline]\n worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400\n kthread+0x3c2/0x780 kernel/kthread.c:464\n ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245\n \n...\nRIP: 0010:tipc_mon_reinit_self+0x11c/0x210 net/tipc/monitor.c:719\n...\nRSP: 0018:ffffc9000356fb68 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000003ee87cba\nRDX: 0000000000000000 RSI: ffffffff8dbc56a7 RDI: ffff88804c2cc010\nRBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000007\nR13: fffffbfff2111097 R14: ffff88804ead8000 R15: ffff88804ead9010\nFS: 0000000000000000(0000) GS:ffff888097ab9000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00000000f720eb00 CR3: 000000000e182000 CR4: 0000000000352ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n\nThere is a racing condition between workqueue created when enabling\nbearer and another thread created when disabling bearer right after\nthat as follow:\n\nenabling_bearer | disabling_bearer\n--------------- | ----------------\ntipc_disc_timeout() |\n{ | bearer_disable()\n ... | {\n schedule_work(&tn->work); | tipc_mon_delete()\n ... | {\n} | ...\n | write_lock_bh(&mon->lock);\n | mon->self = NULL;\n | write_unlock_bh(&mon->lock);\n | ...\n | }\ntipc_net_finalize_work() | }\n{ |\n ... |\n tipc_net_finalize() |\n { |\n ... |\n tipc_mon_reinit_self() |\n { |\n ... |\n write_lock_bh(&mon->lock); |\n mon->self->addr = tipc_own_addr(net); |\n write_unlock_bh(&mon->lock); |\n ... \n---truncated---", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "28845c28f842e9e55e75b2c116bff714bb039055", "status": "affected", "versionType": "git", "lessThan": "a3df56010403b2cd26388096ebccf959d23c4dcc" }, { "version": "46cb01eeeb86fca6afe24dda1167b0cb95424e29", "status": "affected", "versionType": "git", "lessThan": "e6613b6d41f4010c4d484cbc7bfca690d8d522a2" }, { "version": "46cb01eeeb86fca6afe24dda1167b0cb95424e29", "status": "affected", "versionType": "git", "lessThan": "5fd464fd24de93d0eca377554bf0ff2548f76f30" }, { "version": "46cb01eeeb86fca6afe24dda1167b0cb95424e29", "status": "affected", "versionType": "git", "lessThan": "e79e8e05aa46f90d21023f0ffe6f136ed6a20932" }, { "version": "46cb01eeeb86fca6afe24dda1167b0cb95424e29", "status": "affected", "versionType": "git", "lessThan": "dd6cb0a8575b00fbd503e96903184125176f4fa3" }, { "version": "46cb01eeeb86fca6afe24dda1167b0cb95424e29", "status": "affected", "versionType": "git", "lessThan": "0ceef62a328ce1288598c9242576292671f21e96" }, { "version": "46cb01eeeb86fca6afe24dda1167b0cb95424e29", "status": "affected", "versionType": "git", "lessThan": "4d5e1e2d3e9d70beff7beab44fd6ce91405a405e" }, { "version": "46cb01eeeb86fca6afe24dda1167b0cb95424e29", "status": "affected", "versionType": "git", "lessThan": "d63527e109e811ef11abb1c2985048fdb528b4cb" }, { "version": "295c9b554f6dfcd2d368fae6e6fa22ee5b79c123", "status": "affected", "versionType": "git" }, { "version": "5.4.15", "status": "affected", "versionType": "semver", "lessThan": "5.4.293" }, { "version": "4.19.99", "status": "affected", "versionType": "semver", "lessThan": "4.20" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.5", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.5" }, { "version": "5.4.293", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.237", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.181", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.136", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.89", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.26", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.14.5", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.14.*" }, { "version": "6.15", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }