CVE-2026-97979

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97979", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:18:58.208Z", "datePublished": "2026-09-25T10:23:16.422Z", "dateUpdated": "2026-10-19T09:11:46.482Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:11:46.482Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: add missing xa_destroy for sched_node_ids\n\nCommit 16dfa49406bc (\"ice: Introduce new parameters in ice_sched_node\")\nadded a sched_node_ids xarray to the port info structure, but never called\nxa_destroy on it.\n\nSince xarrays can allocate internal memory, this can result in a memory\nleak even if every element in the xarray has been removed.\n\nThe xarray is currently embedded in the port_info structure. This appears\nto have been done because its use is within functions that take the\nport_info as a primary argument.\n\nHowever, this complicates managing the lifecycle of the field. The\nport_info structure is allocated in ice_init_hw() using devm, and it is\nnot released until the devm cleanup when the driver is unloaded.\n\nThe ice_init_hw() function is called in many places, including devlink\nreload, and possibly during DDP load after updating the Tx scheduler\nlayout.\n\nAdding a call of xa_destroy to the ice_deinit_hw() causes Sashiko to raise\nmultiple concerns due to potential ordering issues and possible ways that\nport_info could be a dangling reference.\n\nTo handle this, move the sched_node_ids out of port_info and into the hw\nstructure. All users of the array already have a pointer to hw anyways, and\nthere is only one sched_node_ids per adapter. While here, remove the overly\nverbose comment explaining the nature of the sched_node_ids xarray.\n\nAdd the missing xa_destroy to the cleanup path and to ice_deinit_hw(),\nensuring that we properly release the xarray memory.\n\nThis was caught by Sashiko during development of unrelated code."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/intel/ice/ice_common.c", "drivers/net/ethernet/intel/ice/ice_sched.c", "drivers/net/ethernet/intel/ice/ice_type.h"], "versions": [{"version": "a388961be5ed8ee037ac68220e389bc4e9339a39", "lessThan": "09a7cdf8fffb065a8aa30cfa604ff4a65cbf04c9", "status": "affected", "versionType": "git"}, {"version": "16dfa49406bc5e1f4cbb115027cbd719d7e6c930", "lessThan": "c075a91fe5762d314e6e182d37d29cf874bd314a", "status": "affected", "versionType": "git"}, {"version": "16dfa49406bc5e1f4cbb115027cbd719d7e6c930", "lessThan": "44cdd6b7e036303f7fecf841cf23c05a4a4faf2d", "status": "affected", "versionType": "git"}, {"version": "16dfa49406bc5e1f4cbb115027cbd719d7e6c930", "lessThan": "f5463bc124c0d6f922e272336584730c5c61c4f1", "status": "affected", "versionType": "git"}, {"version": "16dfa49406bc5e1f4cbb115027cbd719d7e6c930", "lessThan": "d6f38fb12069fb1edf762962b5fcf3f42d643b47", "status": "affected", "versionType": "git"}, {"version": "16dfa49406bc5e1f4cbb115027cbd719d7e6c930", "lessThan": "53432c4c3e869076350aef319534431af8ba99c1", "status": "affected", "versionType": "git"}, {"version": "6.1.95", "lessThan": "6.1.189", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/intel/ice/ice_common.c", "drivers/net/ethernet/intel/ice/ice_sched.c", "drivers/net/ethernet/intel/ice/ice_type.h"], "versions": [{"version": "6.2", "status": "affected"}, {"version": "0", "lessThan": "6.2", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.189", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.158", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.111", "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": "6.1.95", "versionEndExcluding": "6.1.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.6.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.12.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "7.2.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/09a7cdf8fffb065a8aa30cfa604ff4a65cbf04c9"}, {"url": "https://git.kernel.org/stable/c/c075a91fe5762d314e6e182d37d29cf874bd314a"}, {"url": "https://git.kernel.org/stable/c/44cdd6b7e036303f7fecf841cf23c05a4a4faf2d"}, {"url": "https://git.kernel.org/stable/c/f5463bc124c0d6f922e272336584730c5c61c4f1"}, {"url": "https://git.kernel.org/stable/c/d6f38fb12069fb1edf762962b5fcf3f42d643b47"}, {"url": "https://git.kernel.org/stable/c/53432c4c3e869076350aef319534431af8ba99c1"}], "title": "ice: add missing xa_destroy for sched_node_ids", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/intel/ice/ice_common.c", "drivers/net/ethernet/intel/ice/ice_sched.c", "drivers/net/ethernet/intel/ice/ice_type.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "09a7cdf8fffb065a8aa30cfa604ff4a65cbf04c9", "status": "affected", "version": "a388961be5ed8ee037ac68220e389bc4e9339a39", "versionType": "git"}, {"lessThan": "c075a91fe5762d314e6e182d37d29cf874bd314a", "status": "affected", "version": "16dfa49406bc5e1f4cbb115027cbd719d7e6c930", "versionType": "git"}, {"lessThan": "44cdd6b7e036303f7fecf841cf23c05a4a4faf2d", "status": "affected", "version": "16dfa49406bc5e1f4cbb115027cbd719d7e6c930", "versionType": "git"}, {"lessThan": "f5463bc124c0d6f922e272336584730c5c61c4f1", "status": "affected", "version": "16dfa49406bc5e1f4cbb115027cbd719d7e6c930", "versionType": "git"}, {"lessThan": "d6f38fb12069fb1edf762962b5fcf3f42d643b47", "status": "affected", "version": "16dfa49406bc5e1f4cbb115027cbd719d7e6c930", "versionType": "git"}, {"lessThan": "53432c4c3e869076350aef319534431af8ba99c1", "status": "affected", "version": "16dfa49406bc5e1f4cbb115027cbd719d7e6c930", "versionType": "git"}, {"lessThan": "6.1.189", "status": "affected", "version": "6.1.95", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/intel/ice/ice_common.c", "drivers/net/ethernet/intel/ice/ice_sched.c", "drivers/net/ethernet/intel/ice/ice_type.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.2"}, {"lessThan": "6.2", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.189", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.158", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.111", "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\nice: add missing xa_destroy for sched_node_ids\n\nCommit 16dfa49406bc (\"ice: Introduce new parameters in ice_sched_node\")\nadded a sched_node_ids xarray to the port info structure, but never called\nxa_destroy on it.\n\nSince xarrays can allocate internal memory, this can result in a memory\nleak even if every element in the xarray has been removed.\n\nThe xarray is currently embedded in the port_info structure. This appears\nto have been done because its use is within functions that take the\nport_info as a primary argument.\n\nHowever, this complicates managing the lifecycle of the field. The\nport_info structure is allocated in ice_init_hw() using devm, and it is\nnot released until the devm cleanup when the driver is unloaded.\n\nThe ice_init_hw() function is called in many places, including devlink\nreload, and possibly during DDP load after updating the Tx scheduler\nlayout.\n\nAdding a call of xa_destroy to the ice_deinit_hw() causes Sashiko to raise\nmultiple concerns due to potential ordering issues and possible ways that\nport_info could be a dangling reference.\n\nTo handle this, move the sched_node_ids out of port_info and into the hw\nstructure. All users of the array already have a pointer to hw anyways, and\nthere is only one sched_node_ids per adapter. While here, remove the overly\nverbose comment explaining the nature of the sched_node_ids xarray.\n\nAdd the missing xa_destroy to the cleanup path and to ice_deinit_hw(),\nensuring that we properly release the xarray memory.\n\nThis was caught by Sashiko during development of unrelated code."}], "id": "CVE-2026-97979", "lastModified": "2026-10-19T10:17:49.257", "metrics": {}, "published": "2026-09-25T11:17:25.897", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/09a7cdf8fffb065a8aa30cfa604ff4a65cbf04c9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/44cdd6b7e036303f7fecf841cf23c05a4a4faf2d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/53432c4c3e869076350aef319534431af8ba99c1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c075a91fe5762d314e6e182d37d29cf874bd314a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d6f38fb12069fb1edf762962b5fcf3f42d643b47"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f5463bc124c0d6f922e272336584730c5c61c4f1"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: ice: add missing xa_destroy for sched_node_ids", "id": "2541020", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2541020"}, "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-772", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nice: add missing xa_destroy for sched_node_ids\nCommit 16dfa49406bc (\"ice: Introduce new parameters in ice_sched_node\")\nadded a sched_node_ids xarray to the port info structure, but never called\nxa_destroy on it.\nSince xarrays can allocate internal memory, this can result in a memory\nleak even if every element in the xarray has been removed.\nThe xarray is currently embedded in the port_info structure. This appears\nto have been done because its use is within functions that take the\nport_info as a primary argument.\nHowever, this complicates managing the lifecycle of the field. The\nport_info structure is allocated in ice_init_hw() using devm, and it is\nnot released until the devm cleanup when the driver is unloaded.\nThe ice_init_hw() function is called in many places, including devlink\nreload, and possibly during DDP load after updating the Tx scheduler\nlayout.\nAdding a call of xa_destroy to the ice_deinit_hw() causes Sashiko to raise\nmultiple concerns due to potential ordering issues and possible ways that\nport_info could be a dangling reference.\nTo handle this, move the sched_node_ids out of port_info and into the hw\nstructure. All users of the array already have a pointer to hw anyways, and\nthere is only one sched_node_ids per adapter. While here, remove the overly\nverbose comment explaining the nature of the sched_node_ids xarray.\nAdd the missing xa_destroy to the cleanup path and to ice_deinit_hw(),\nensuring that we properly release the xarray memory.\nThis was caught by Sashiko during development of unrelated code.", "A flaw was found in the Linux kernel's Intel Ethernet driver (ice). A missing cleanup operation when releasing internal scheduling tracking structures causes a memory leak during hardware initialization or device reloads. A local privileged user could exploit this flaw by repeatedly reconfiguring or reloading the device, leading to system resource exhaustion and a Denial of Service (DoS)."], "name": "CVE-2026-97979", "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": "Not affected", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "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-2026-97979\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-97979\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97979.mbox"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[16dfa49406bc5e1f4cbb115027cbd719d7e6c930,44cdd6b7e036303f7fecf841cf23c05a4a4faf2d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[16dfa49406bc5e1f4cbb115027cbd719d7e6c930,f5463bc124c0d6f922e272336584730c5c61c4f1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[16dfa49406bc5e1f4cbb115027cbd719d7e6c930,d6f38fb12069fb1edf762b5fcf3f42d643b47)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[16dfa49406bc5e1f4cbb115027cbd719d7e6c930,53432c4c3e869076350aef319534431af8ba99c1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "a388961be5ed8ee037ac68220e389bc4e9339a39"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.1.95,6.2)"}}], "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": "6.2"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.2)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.111,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.53,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2.7,7.2.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "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": "2026-09-25T17:45:17.372542+00:00", "updated": "2026-10-01T09:15:06.319578+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}