CVE-2026-90322

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90322", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.802Z", "datePublished": "2026-09-17T16:08:38.768Z", "dateUpdated": "2026-10-30T12:35:09.985Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:35:09.985Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2/cluster: keep heartbeat local node stable\n\no2nm_node_local_store() handles local=0 by stopping o2net and setting\ncl_local_node to O2NM_INVALID_NODE_NUM, but it leaves cl_has_local set. \nThat stale state makes o2nm_this_node() return 255, blocks a later local=1\nattempt with -EBUSY, and can feed 255 to heartbeat users that call\no2nm_this_node() dynamically.\n\nClearing cl_has_local is required when the local node is reset. But\nheartbeat threads can still be running at that point. They pin the local\nnode config item at startup, yet o2hb_do_disk_heartbeat() and thread\nteardown re-read o2nm_this_node() for the local slot and for\no2nm_undepend_this_node(). Once local=0 has cleared the live local-node\nstate, those dynamic reads return O2NM_MAX_NODES, which is also the\ninvalid node number 255.\n\nStore the local node number in the heartbeat region when the region\nstarts. Use that stable node for heartbeat slot writes/checks,\nnegotiation messages, and the final configfs undepend. Stop the heartbeat\nloop when the current local node no longer matches the stored node, and\nclear cl_has_local together with cl_local_node in the local=0 path so\nnodemanager state matches node removal.\n\nValidation reproduced this kernel report:\nKASAN slab-out-of-bounds in o2hb_do_disk_heartbeat+0x372/0xb30\nRIP: 0010:memset+0xf/0x20\nRead of size 8\nCall trace:\n dump_stack_lvl+0x66/0xa0\n print_report+0xd0/0x630\n o2hb_do_disk_heartbeat+0x372/0xb30 (fs/ocfs2/cluster/heartbeat.c:1079)\n srso_alias_return_thunk+0x5/0xfbef5\n __virt_addr_valid+0x188/0x2f0\n kasan_report+0xe4/0x120\n o2hb_do_disk_heartbeat+0x5/0xb30 (fs/ocfs2/cluster/heartbeat.c:1079)\n o2hb_thread+0x14e/0x770\n kthread_affine_node+0x139/0x180\n lockdep_hardirqs_on_prepare+0xda/0x190\n trace_hardirqs_on+0x18/0x130\n kthread+0x19d/0x1e0\n ret_from_fork+0x37a/0x4d0\n __switch_to+0x2d5/0x6f0\n ret_from_fork_asm+0x1a/0x30"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ocfs2/cluster/heartbeat.c", "fs/ocfs2/cluster/nodemanager.c", "fs/ocfs2/cluster/nodemanager.h"], "versions": [{"version": "a7f6a5fb4bde142b622706e2006ba33f793e13ed", "lessThan": "d429482a67df16a30afaf9a3f1fe239fe73b44de", "status": "affected", "versionType": "git"}, {"version": "a7f6a5fb4bde142b622706e2006ba33f793e13ed", "lessThan": "d64708cc119db01fbc55017ee6e987b680ebd59c", "status": "affected", "versionType": "git"}, {"version": "a7f6a5fb4bde142b622706e2006ba33f793e13ed", "lessThan": "8e5cb90f212fda9f6cd29915a1ed74353108ceb3", "status": "affected", "versionType": "git"}, {"version": "a7f6a5fb4bde142b622706e2006ba33f793e13ed", "lessThan": "8abb2b7c60d2b2c0f40606048c873096c03874d2", "status": "affected", "versionType": "git"}, {"version": "a7f6a5fb4bde142b622706e2006ba33f793e13ed", "lessThan": "70d7bb7a0be033e5ebe8a2c48974692b1318891c", "status": "affected", "versionType": "git"}, {"version": "a7f6a5fb4bde142b622706e2006ba33f793e13ed", "lessThan": "688bc88e2046dd6ce81ce18079b5254cb8dadc0e", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/ocfs2/cluster/heartbeat.c", "fs/ocfs2/cluster/nodemanager.c", "fs/ocfs2/cluster/nodemanager.h"], "versions": [{"version": "2.6.16", "status": "affected"}, {"version": "0", "lessThan": "2.6.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.110", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "2.6.16", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.16", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.16", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.16", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.16", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.16", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d429482a67df16a30afaf9a3f1fe239fe73b44de"}, {"url": "https://git.kernel.org/stable/c/d64708cc119db01fbc55017ee6e987b680ebd59c"}, {"url": "https://git.kernel.org/stable/c/8e5cb90f212fda9f6cd29915a1ed74353108ceb3"}, {"url": "https://git.kernel.org/stable/c/8abb2b7c60d2b2c0f40606048c873096c03874d2"}, {"url": "https://git.kernel.org/stable/c/70d7bb7a0be033e5ebe8a2c48974692b1318891c"}, {"url": "https://git.kernel.org/stable/c/688bc88e2046dd6ce81ce18079b5254cb8dadc0e"}], "title": "ocfs2/cluster: keep heartbeat local node stable", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/ocfs2/cluster/heartbeat.c", "fs/ocfs2/cluster/nodemanager.c", "fs/ocfs2/cluster/nodemanager.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "d429482a67df16a30afaf9a3f1fe239fe73b44de", "status": "affected", "version": "a7f6a5fb4bde142b622706e2006ba33f793e13ed", "versionType": "git"}, {"lessThan": "d64708cc119db01fbc55017ee6e987b680ebd59c", "status": "affected", "version": "a7f6a5fb4bde142b622706e2006ba33f793e13ed", "versionType": "git"}, {"lessThan": "8e5cb90f212fda9f6cd29915a1ed74353108ceb3", "status": "affected", "version": "a7f6a5fb4bde142b622706e2006ba33f793e13ed", "versionType": "git"}, {"lessThan": "8abb2b7c60d2b2c0f40606048c873096c03874d2", "status": "affected", "version": "a7f6a5fb4bde142b622706e2006ba33f793e13ed", "versionType": "git"}, {"lessThan": "70d7bb7a0be033e5ebe8a2c48974692b1318891c", "status": "affected", "version": "a7f6a5fb4bde142b622706e2006ba33f793e13ed", "versionType": "git"}, {"lessThan": "688bc88e2046dd6ce81ce18079b5254cb8dadc0e", "status": "affected", "version": "a7f6a5fb4bde142b622706e2006ba33f793e13ed", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/ocfs2/cluster/heartbeat.c", "fs/ocfs2/cluster/nodemanager.c", "fs/ocfs2/cluster/nodemanager.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.16"}, {"lessThan": "2.6.16", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.110", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.52", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2/cluster: keep heartbeat local node stable\n\no2nm_node_local_store() handles local=0 by stopping o2net and setting\ncl_local_node to O2NM_INVALID_NODE_NUM, but it leaves cl_has_local set. \nThat stale state makes o2nm_this_node() return 255, blocks a later local=1\nattempt with -EBUSY, and can feed 255 to heartbeat users that call\no2nm_this_node() dynamically.\n\nClearing cl_has_local is required when the local node is reset. But\nheartbeat threads can still be running at that point. They pin the local\nnode config item at startup, yet o2hb_do_disk_heartbeat() and thread\nteardown re-read o2nm_this_node() for the local slot and for\no2nm_undepend_this_node(). Once local=0 has cleared the live local-node\nstate, those dynamic reads return O2NM_MAX_NODES, which is also the\ninvalid node number 255.\n\nStore the local node number in the heartbeat region when the region\nstarts. Use that stable node for heartbeat slot writes/checks,\nnegotiation messages, and the final configfs undepend. Stop the heartbeat\nloop when the current local node no longer matches the stored node, and\nclear cl_has_local together with cl_local_node in the local=0 path so\nnodemanager state matches node removal.\n\nValidation reproduced this kernel report:\nKASAN slab-out-of-bounds in o2hb_do_disk_heartbeat+0x372/0xb30\nRIP: 0010:memset+0xf/0x20\nRead of size 8\nCall trace:\n dump_stack_lvl+0x66/0xa0\n print_report+0xd0/0x630\n o2hb_do_disk_heartbeat+0x372/0xb30 (fs/ocfs2/cluster/heartbeat.c:1079)\n srso_alias_return_thunk+0x5/0xfbef5\n __virt_addr_valid+0x188/0x2f0\n kasan_report+0xe4/0x120\n o2hb_do_disk_heartbeat+0x5/0xb30 (fs/ocfs2/cluster/heartbeat.c:1079)\n o2hb_thread+0x14e/0x770\n kthread_affine_node+0x139/0x180\n lockdep_hardirqs_on_prepare+0xda/0x190\n trace_hardirqs_on+0x18/0x130\n kthread+0x19d/0x1e0\n ret_from_fork+0x37a/0x4d0\n __switch_to+0x2d5/0x6f0\n ret_from_fork_asm+0x1a/0x30"}], "id": "CVE-2026-90322", "lastModified": "2026-10-30T13:20:49.703", "metrics": {}, "published": "2026-09-17T17:17:30.173", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/688bc88e2046dd6ce81ce18079b5254cb8dadc0e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/70d7bb7a0be033e5ebe8a2c48974692b1318891c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8abb2b7c60d2b2c0f40606048c873096c03874d2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8e5cb90f212fda9f6cd29915a1ed74353108ceb3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d429482a67df16a30afaf9a3f1fe239fe73b44de"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d64708cc119db01fbc55017ee6e987b680ebd59c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a7f6a5fb4bde142b622706e2006ba33f793e13ed,8e5cb90f212fda9f6cd29915a1ed74353108ceb3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a7f6a5fb4bde142b622706e2006ba33f793e13ed,8abb2b7c60d2b2c0f40606048c873096c03874d2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a7f6a5fb4bde142b622706e2006ba33f793e13ed,70d7bb7a0be033e5ebe8a2c48974692b1318891c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a7f6a5fb4bde142b622706e2006ba33f793e13ed,688bc88e2046dd6ce81ce18079b5254cb8dadc0e)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.6.16"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.16)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.110,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.52,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,8.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-19T04:30:16.554098+00:00", "updated": "2026-09-19T05:00:09.581820+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-119", "CWE-362"]}