{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-21662", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T08:45:45.732Z", "datePublished": "2025-01-21T12:18:17.674Z", "dateUpdated": "2026-05-23T15:56:49.641Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:56:49.641Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Fix variable not being completed when function returns\n\nWhen cmd_alloc_index(), fails cmd_work_handler() needs\nto complete ent->slotted before returning early.\nOtherwise the task which issued the command may hang:\n\n mlx5_core 0000:01:00.0: cmd_work_handler:877:(pid 3880418): failed to allocate command entry\n INFO: task kworker/13:2:4055883 blocked for more than 120 seconds.\n Not tainted 4.19.90-25.44.v2101.ky10.aarch64 #1\n \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n kworker/13:2 D 0 4055883 2 0x00000228\n Workqueue: events mlx5e_tx_dim_work [mlx5_core]\n Call trace:\n __switch_to+0xe8/0x150\n __schedule+0x2a8/0x9b8\n schedule+0x2c/0x88\n schedule_timeout+0x204/0x478\n wait_for_common+0x154/0x250\n wait_for_completion+0x28/0x38\n cmd_exec+0x7a0/0xa00 [mlx5_core]\n mlx5_cmd_exec+0x54/0x80 [mlx5_core]\n mlx5_core_modify_cq+0x6c/0x80 [mlx5_core]\n mlx5_core_modify_cq_moderation+0xa0/0xb8 [mlx5_core]\n mlx5e_tx_dim_work+0x54/0x68 [mlx5_core]\n process_one_work+0x1b0/0x448\n worker_thread+0x54/0x468\n kthread+0x134/0x138\n ret_from_fork+0x10/0x18"}], "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/cmd.c"], "versions": [{"version": "4baae687a20ef2b82fde12de3c04461e6f2521d6", "lessThan": "f0a2808767ac39f64b1d9a0ff865c255073cf3d4", "status": "affected", "versionType": "git"}, {"version": "f9caccdd42e999b74303c9b0643300073ed5d319", "lessThan": "229cc10284373fbe754e623b7033dca7e7470ec8", "status": "affected", "versionType": "git"}, {"version": "485d65e1357123a697c591a5aeb773994b247ad7", "lessThan": "36124081f6ffd9dfaad48830bdf106bb82a9457d", "status": "affected", "versionType": "git"}, {"version": "485d65e1357123a697c591a5aeb773994b247ad7", "lessThan": "0e2909c6bec9048f49d0c8e16887c63b50b14647", "status": "affected", "versionType": "git"}, {"version": "2d0962d05c93de391ce85f6e764df895f47c8918", "status": "affected", "versionType": "git"}, {"version": "94024332a129c6e4275569d85c0c1bfb2ae2d71b", "status": "affected", "versionType": "git"}, {"version": "6.1.93", "lessThan": "6.1.125", "status": "affected", "versionType": "semver"}, {"version": "6.6.33", "lessThan": "6.6.72", "status": "affected", "versionType": "semver"}, {"version": "6.8.12", "lessThan": "6.9", "status": "affected", "versionType": "semver"}, {"version": "6.9.3", "lessThan": "6.10", "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/mellanox/mlx5/core/cmd.c"], "versions": [{"version": "6.10", "status": "affected"}, {"version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.125", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.72", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.10", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13", "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": "6.1.93", "versionEndExcluding": "6.1.125"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.33", "versionEndExcluding": "6.6.72"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.12.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f0a2808767ac39f64b1d9a0ff865c255073cf3d4"}, {"url": "https://git.kernel.org/stable/c/229cc10284373fbe754e623b7033dca7e7470ec8"}, {"url": "https://git.kernel.org/stable/c/36124081f6ffd9dfaad48830bdf106bb82a9457d"}, {"url": "https://git.kernel.org/stable/c/0e2909c6bec9048f49d0c8e16887c63b50b14647"}], "title": "net/mlx5: Fix variable not being completed when function returns", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T20:58:37.583Z"}}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4FA26D72-18B6-4E77-88A0-A4862B476190", "versionEndExcluding": "6.1.125", "versionStartIncluding": "6.1.93", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "369DA6F6-AC32-4CA0-BDE3-A37D9FE910FF", "versionEndExcluding": "6.6.72", "versionStartIncluding": "6.6.33", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A2D25EF8-8B93-4187-9555-F83C6F1ECA47", "versionEndExcluding": "6.9", "versionStartIncluding": "6.8.12", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "521D2F8B-DAB3-4DC1-8B89-1613DC605E05", "versionEndExcluding": "6.12.10", "versionStartIncluding": "6.9.3", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*", "matchCriteriaId": "62567B3C-6CEE-46D0-BC2E-B3717FBF7D13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*", "matchCriteriaId": "5A073481-106D-4B15-B4C7-FB0213B8E1D4", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*", "matchCriteriaId": "DE491969-75AE-4A6B-9A58-8FC5AF98798F", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc4:*:*:*:*:*:*", "matchCriteriaId": "93C0660D-7FB8-4FBA-892A-B064BA71E49E", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc5:*:*:*:*:*:*", "matchCriteriaId": "034C36A6-C481-41F3-AE9A-D116E5BE6895", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc6:*:*:*:*:*:*", "matchCriteriaId": "8AF9DC49-2085-4FFB-A7E3-73DFAFECC7F2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Fix variable not being completed when function returns\n\nWhen cmd_alloc_index(), fails cmd_work_handler() needs\nto complete ent->slotted before returning early.\nOtherwise the task which issued the command may hang:\n\n mlx5_core 0000:01:00.0: cmd_work_handler:877:(pid 3880418): failed to allocate command entry\n INFO: task kworker/13:2:4055883 blocked for more than 120 seconds.\n Not tainted 4.19.90-25.44.v2101.ky10.aarch64 #1\n \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n kworker/13:2 D 0 4055883 2 0x00000228\n Workqueue: events mlx5e_tx_dim_work [mlx5_core]\n Call trace:\n __switch_to+0xe8/0x150\n __schedule+0x2a8/0x9b8\n schedule+0x2c/0x88\n schedule_timeout+0x204/0x478\n wait_for_common+0x154/0x250\n wait_for_completion+0x28/0x38\n cmd_exec+0x7a0/0xa00 [mlx5_core]\n mlx5_cmd_exec+0x54/0x80 [mlx5_core]\n mlx5_core_modify_cq+0x6c/0x80 [mlx5_core]\n mlx5_core_modify_cq_moderation+0xa0/0xb8 [mlx5_core]\n mlx5e_tx_dim_work+0x54/0x68 [mlx5_core]\n process_one_work+0x1b0/0x448\n worker_thread+0x54/0x468\n kthread+0x134/0x138\n ret_from_fork+0x10/0x18"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/mlx5: Se solucion\u00f3 que la variable no se completara cuando la funci\u00f3n retorna Cuando cmd_alloc_index(), falla cmd_work_handler() debe completar ent->slotted antes de regresar antes. De lo contrario, la tarea que emiti\u00f3 el comando puede bloquearse: mlx5_core 0000:01:00.0: cmd_work_handler:877:(pid 3880418): no se pudo asignar la entrada del comando INFO: la tarea kworker/13:2:4055883 se bloque\u00f3 durante m\u00e1s de 120 segundos. No est\u00e1 contaminada 4.19.90-25.44.v2101.ky10.aarch64 #1 \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message. kworker/13:2 D 0 4055883 2 0x00000228 Workqueue: events mlx5e_tx_dim_work [mlx5_core] Call trace: __switch_to+0xe8/0x150 __schedule+0x2a8/0x9b8 schedule+0x2c/0x88 schedule_timeout+0x204/0x478 wait_for_common+0x154/0x250 wait_for_completion+0x28/0x38 cmd_exec+0x7a0/0xa00 [mlx5_core] mlx5_cmd_exec+0x54/0x80 [mlx5_core] mlx5_core_modify_cq+0x6c/0x80 [mlx5_core] mlx5_core_modify_cq_moderation+0xa0/0xb8 [mlx5_core] mlx5e_tx_dim_work+0x54/0x68 [mlx5_core] process_one_work+0x1b0/0x448 worker_thread+0x54/0x468 kthread+0x134/0x138 ret_from_fork+0x10/0x18 "}], "id": "CVE-2025-21662", "lastModified": "2025-11-03T21:19:03.113", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-01-21T13:15:09.847", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0e2909c6bec9048f49d0c8e16887c63b50b14647"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/229cc10284373fbe754e623b7033dca7e7470ec8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/36124081f6ffd9dfaad48830bdf106bb82a9457d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f0a2808767ac39f64b1d9a0ff865c255073cf3d4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net/mlx5: Fix variable not being completed when function returns", "id": "2339138", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2339138"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet/mlx5: Fix variable not being completed when function returns\nWhen cmd_alloc_index(), fails cmd_work_handler() needs\nto complete ent->slotted before returning early.\nOtherwise the task which issued the command may hang:\nmlx5_core 0000:01:00.0: cmd_work_handler:877:(pid 3880418): failed to allocate command entry\nINFO: task kworker/13:2:4055883 blocked for more than 120 seconds.\nNot tainted 4.19.90-25.44.v2101.ky10.aarch64 #1\n\"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\nkworker/13:2 D 0 4055883 2 0x00000228\nWorkqueue: events mlx5e_tx_dim_work [mlx5_core]\nCall trace:\n__switch_to+0xe8/0x150\n__schedule+0x2a8/0x9b8\nschedule+0x2c/0x88\nschedule_timeout+0x204/0x478\nwait_for_common+0x154/0x250\nwait_for_completion+0x28/0x38\ncmd_exec+0x7a0/0xa00 [mlx5_core]\nmlx5_cmd_exec+0x54/0x80 [mlx5_core]\nmlx5_core_modify_cq+0x6c/0x80 [mlx5_core]\nmlx5_core_modify_cq_moderation+0xa0/0xb8 [mlx5_core]\nmlx5e_tx_dim_work+0x54/0x68 [mlx5_core]\nprocess_one_work+0x1b0/0x448\nworker_thread+0x54/0x468\nkthread+0x134/0x138\nret_from_fork+0x10/0x18"], "name": "CVE-2025-21662", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "Not affected", "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"}], "public_date": "2025-01-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21662\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21662\nhttps://lore.kernel.org/linux-cve-announce/2025012134-CVE-2025-21662-0c72@gregkh/T"], "threat_severity": "Low"}

{}