CVE-2026-97962

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97962", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:18:58.206Z", "datePublished": "2026-09-25T10:23:06.150Z", "dateUpdated": "2026-10-21T12:53:53.121Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:53:53.121Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Move representor vnic reporter to eswitch devlink port\n\nThe representor vnic devlink health reporter is created and destroyed\nalong the representor netdev (un)load path, which is not serialized by\nthe devlink instance lock. Destroying the reporter from there triggers\na devl_assert_locked() splat on driver unbind:\n WARNING: net/devlink/core.c:259 at devl_assert_locked+0x54/0x70, CPU#2: bash/3758\n Modules linked in: mlx5_vdpa vringh vdpa mlx5_ib mlx5_fwctl mlx5_core ...\n CPU: 2 UID: 0 PID: 3758 Comm: bash Tainted: G W 6.19.0+ #1 PREEMPT\n Tainted: [W]=WARN\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), ...\n RIP: 0010:devl_assert_locked+0x54/0x70\n Call Trace:\n <TASK>\n devl_health_reporter_destroy+0x3a/0x1b0\n mlx5e_vport_rep_unload+0x12d/0x2b0 [mlx5_core]\n mlx5_eswitch_unregister_vport_reps+0x1b8/0x220 [mlx5_core]\n ? __esw_offloads_unload_rep+0x190/0x190 [mlx5_core]\n ? kernfs_remove_by_name_ns+0xc3/0xf0\n device_release_driver_internal+0x3b2/0x560\n unbind_store+0xce/0xf0\n\nMove the reporter's lifecycle to the eswitch devlink port (un)register\npaths, which are already serialized by the devlink instance lock, and\nstore the handle on mlx5_devlink_port. Use the port's mlx5_vport as the\nreporter priv since the diagnose callback only needs a device handle and\na vport number, and mlx5_vport carries both and is initialized before\nany representor driver probes."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/mellanox/mlx5/core/en_rep.c", "drivers/net/ethernet/mellanox/mlx5/core/en_rep.h", "drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c", "drivers/net/ethernet/mellanox/mlx5/core/eswitch.h"], "versions": [{"version": "cf14af140a5ad0937d385ce693100f33f02e9c54", "lessThan": "d552beb9d278aeb180d26c3889b6bd21444ad11e", "status": "affected", "versionType": "git"}, {"version": "cf14af140a5ad0937d385ce693100f33f02e9c54", "lessThan": "fb52d58f7d6abc2f956d9c1ac472c709f7bb33c2", "status": "affected", "versionType": "git"}, {"version": "cf14af140a5ad0937d385ce693100f33f02e9c54", "lessThan": "dcaba72c85c14fe7393a59d61695941e6ccbd7d7", "status": "affected", "versionType": "git"}, {"version": "cf14af140a5ad0937d385ce693100f33f02e9c54", "lessThan": "d1fcff9b39bac188ef62a77ebd176484be928ec2", "status": "affected", "versionType": "git"}, {"version": "cf14af140a5ad0937d385ce693100f33f02e9c54", "lessThan": "7f26a5e8040b4957ef4dbdfcde6cc7ba2db53937", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/mellanox/mlx5/core/en_rep.c", "drivers/net/ethernet/mellanox/mlx5/core/en_rep.h", "drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c", "drivers/net/ethernet/mellanox/mlx5/core/eswitch.h"], "versions": [{"version": "6.4", "status": "affected"}, {"version": "0", "lessThan": "6.4", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.114", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.53", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.7", "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": "6.4", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.12.114"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "7.2.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d552beb9d278aeb180d26c3889b6bd21444ad11e"}, {"url": "https://git.kernel.org/stable/c/fb52d58f7d6abc2f956d9c1ac472c709f7bb33c2"}, {"url": "https://git.kernel.org/stable/c/dcaba72c85c14fe7393a59d61695941e6ccbd7d7"}, {"url": "https://git.kernel.org/stable/c/d1fcff9b39bac188ef62a77ebd176484be928ec2"}, {"url": "https://git.kernel.org/stable/c/7f26a5e8040b4957ef4dbdfcde6cc7ba2db53937"}], "title": "net/mlx5e: Move representor vnic reporter to eswitch devlink port", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/mellanox/mlx5/core/en_rep.c", "drivers/net/ethernet/mellanox/mlx5/core/en_rep.h", "drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c", "drivers/net/ethernet/mellanox/mlx5/core/eswitch.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "d552beb9d278aeb180d26c3889b6bd21444ad11e", "status": "affected", "version": "cf14af140a5ad0937d385ce693100f33f02e9c54", "versionType": "git"}, {"lessThan": "fb52d58f7d6abc2f956d9c1ac472c709f7bb33c2", "status": "affected", "version": "cf14af140a5ad0937d385ce693100f33f02e9c54", "versionType": "git"}, {"lessThan": "dcaba72c85c14fe7393a59d61695941e6ccbd7d7", "status": "affected", "version": "cf14af140a5ad0937d385ce693100f33f02e9c54", "versionType": "git"}, {"lessThan": "d1fcff9b39bac188ef62a77ebd176484be928ec2", "status": "affected", "version": "cf14af140a5ad0937d385ce693100f33f02e9c54", "versionType": "git"}, {"lessThan": "7f26a5e8040b4957ef4dbdfcde6cc7ba2db53937", "status": "affected", "version": "cf14af140a5ad0937d385ce693100f33f02e9c54", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/mellanox/mlx5/core/en_rep.c", "drivers/net/ethernet/mellanox/mlx5/core/en_rep.h", "drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c", "drivers/net/ethernet/mellanox/mlx5/core/eswitch.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.4"}, {"lessThan": "6.4", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.114", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.53", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.7", "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\nnet/mlx5e: Move representor vnic reporter to eswitch devlink port\n\nThe representor vnic devlink health reporter is created and destroyed\nalong the representor netdev (un)load path, which is not serialized by\nthe devlink instance lock. Destroying the reporter from there triggers\na devl_assert_locked() splat on driver unbind:\n WARNING: net/devlink/core.c:259 at devl_assert_locked+0x54/0x70, CPU#2: bash/3758\n Modules linked in: mlx5_vdpa vringh vdpa mlx5_ib mlx5_fwctl mlx5_core ...\n CPU: 2 UID: 0 PID: 3758 Comm: bash Tainted: G W 6.19.0+ #1 PREEMPT\n Tainted: [W]=WARN\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), ...\n RIP: 0010:devl_assert_locked+0x54/0x70\n Call Trace:\n <TASK>\n devl_health_reporter_destroy+0x3a/0x1b0\n mlx5e_vport_rep_unload+0x12d/0x2b0 [mlx5_core]\n mlx5_eswitch_unregister_vport_reps+0x1b8/0x220 [mlx5_core]\n ? __esw_offloads_unload_rep+0x190/0x190 [mlx5_core]\n ? kernfs_remove_by_name_ns+0xc3/0xf0\n device_release_driver_internal+0x3b2/0x560\n unbind_store+0xce/0xf0\n\nMove the reporter's lifecycle to the eswitch devlink port (un)register\npaths, which are already serialized by the devlink instance lock, and\nstore the handle on mlx5_devlink_port. Use the port's mlx5_vport as the\nreporter priv since the diagnose callback only needs a device handle and\na vport number, and mlx5_vport carries both and is initialized before\nany representor driver probes."}], "id": "CVE-2026-97962", "lastModified": "2026-10-21T13:21:17.823", "metrics": {}, "published": "2026-09-25T11:17:23.970", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7f26a5e8040b4957ef4dbdfcde6cc7ba2db53937"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d1fcff9b39bac188ef62a77ebd176484be928ec2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d552beb9d278aeb180d26c3889b6bd21444ad11e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dcaba72c85c14fe7393a59d61695941e6ccbd7d7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fb52d58f7d6abc2f956d9c1ac472c709f7bb33c2"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: net/mlx5e: Move representor vnic reporter to eswitch devlink port", "id": "2541207", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2541207"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-617", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet/mlx5e: Move representor vnic reporter to eswitch devlink port\nThe representor vnic devlink health reporter is created and destroyed\nalong the representor netdev (un)load path, which is not serialized by\nthe devlink instance lock. Destroying the reporter from there triggers\na devl_assert_locked() splat on driver unbind:\nWARNING: net/devlink/core.c:259 at devl_assert_locked+0x54/0x70, CPU#2: bash/3758\nModules linked in: mlx5_vdpa vringh vdpa mlx5_ib mlx5_fwctl mlx5_core ...\nCPU: 2 UID: 0 PID: 3758 Comm: bash Tainted: G W 6.19.0+ #1 PREEMPT\nTainted: [W]=WARN\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), ...\nRIP: 0010:devl_assert_locked+0x54/0x70\nCall Trace:\n<TASK>\ndevl_health_reporter_destroy+0x3a/0x1b0\nmlx5e_vport_rep_unload+0x12d/0x2b0 [mlx5_core]\nmlx5_eswitch_unregister_vport_reps+0x1b8/0x220 [mlx5_core]\n? __esw_offloads_unload_rep+0x190/0x190 [mlx5_core]\n? kernfs_remove_by_name_ns+0xc3/0xf0\ndevice_release_driver_internal+0x3b2/0x560\nunbind_store+0xce/0xf0\nMove the reporter's lifecycle to the eswitch devlink port (un)register\npaths, which are already serialized by the devlink instance lock, and\nstore the handle on mlx5_devlink_port. Use the port's mlx5_vport as the\nreporter priv since the diagnose callback only needs a device handle and\na vport number, and mlx5_vport carries both and is initialized before\nany representor driver probes.", "A flaw was found in the Linux kernel's mlx5 network driver. The driver fails to hold the required lock when destroying virtual network interface health reporters during device unloading. A local user with administrative privileges could trigger this flaw by unbinding the driver, resulting in a kernel assertion failure that may cause system instability or a Denial of Service (DoS)."], "name": "CVE-2026-97962", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-09-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-97962\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-97962\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97962.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cf14af140a5ad0937d385ce693100f33f02e9c54,dcaba72c85c14fe7393a59d61695941e6ccbd7d7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cf14af140a5ad0937d385ce693100f33f02e9c54,d1fcff9b39bac188ef62a77ebd176484be928ec2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cf14af140a5ad0937d385ce693100f33f02e9c54,7f26a5e8040b4957ef4dbdfcde6cc7ba2db53937)"}}], "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": "generic", "value": "6.4"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.4)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.53,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.7,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc3,*]"}}], "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": "2026-09-25T19:30:20.154549+00:00", "updated": "2026-10-01T08:15:05.203168+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}