{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-46931", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-25T13:45:52.720Z", "datePublished": "2024-02-27T09:43:59.373Z", "dateUpdated": "2026-05-11T13:44:40.177Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:44:40.177Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Wrap the tx reporter dump callback to extract the sq\n\nFunction mlx5e_tx_reporter_dump_sq() casts its void * argument to struct\nmlx5e_txqsq *, but in TX-timeout-recovery flow the argument is actually\nof type struct mlx5e_tx_timeout_ctx *.\n\n mlx5_core 0000:08:00.1 enp8s0f1: TX timeout detected\n mlx5_core 0000:08:00.1 enp8s0f1: TX timeout on queue: 1, SQ: 0x11ec, CQ: 0x146d, SQ Cons: 0x0 SQ Prod: 0x1, usecs since last trans: 21565000\n BUG: stack guard page was hit at 0000000093f1a2de (stack is 00000000b66ea0dc..000000004d932dae)\n kernel stack overflow (page fault): 0000 [#1] SMP NOPTI\n CPU: 5 PID: 95 Comm: kworker/u20:1 Tainted: G W OE 5.13.0_mlnx #1\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\n Workqueue: mlx5e mlx5e_tx_timeout_work [mlx5_core]\n RIP: 0010:mlx5e_tx_reporter_dump_sq+0xd3/0x180\n [mlx5_core]\n Call Trace:\n mlx5e_tx_reporter_dump+0x43/0x1c0 [mlx5_core]\n devlink_health_do_dump.part.91+0x71/0xd0\n devlink_health_report+0x157/0x1b0\n mlx5e_reporter_tx_timeout+0xb9/0xf0 [mlx5_core]\n ? mlx5e_tx_reporter_err_cqe_recover+0x1d0/0x1d0\n [mlx5_core]\n ? mlx5e_health_queue_dump+0xd0/0xd0 [mlx5_core]\n ? update_load_avg+0x19b/0x550\n ? set_next_entity+0x72/0x80\n ? pick_next_task_fair+0x227/0x340\n ? finish_task_switch+0xa2/0x280\n mlx5e_tx_timeout_work+0x83/0xb0 [mlx5_core]\n process_one_work+0x1de/0x3a0\n worker_thread+0x2d/0x3c0\n ? process_one_work+0x3a0/0x3a0\n kthread+0x115/0x130\n ? kthread_park+0x90/0x90\n ret_from_fork+0x1f/0x30\n --[ end trace 51ccabea504edaff ]---\n RIP: 0010:mlx5e_tx_reporter_dump_sq+0xd3/0x180\n PKRU: 55555554\n Kernel panic - not syncing: Fatal exception\n Kernel Offset: disabled\n end Kernel panic - not syncing: Fatal exception\n\nTo fix this bug add a wrapper for mlx5e_tx_reporter_dump_sq() which\nextracts the sq from struct mlx5e_tx_timeout_ctx and set it as the\nTX-timeout-recovery flow dump callback." } ], "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/reporter_tx.c" ], "versions": [ { "version": "5f29458b77d51c104554575b73184c243930aa87", "lessThan": "73665165b64a8f3c5b3534009a69be55bb744f05", "status": "affected", "versionType": "git" }, { "version": "5f29458b77d51c104554575b73184c243930aa87", "lessThan": "07f13d58a8ecc3baf9a488588fb38c5cb0db484f", "status": "affected", "versionType": "git" }, { "version": "5f29458b77d51c104554575b73184c243930aa87", "lessThan": "918fc3855a6507a200e9cf22c20be852c0982687", "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/reporter_tx.c" ], "versions": [ { "version": "5.7", "status": "affected" }, { "version": "0", "lessThan": "5.7", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.90", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.13", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.16", "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": "5.7", "versionEndExcluding": "5.10.90" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "5.15.13" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "5.16" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/73665165b64a8f3c5b3534009a69be55bb744f05" }, { "url": "https://git.kernel.org/stable/c/07f13d58a8ecc3baf9a488588fb38c5cb0db484f" }, { "url": "https://git.kernel.org/stable/c/918fc3855a6507a200e9cf22c20be852c0982687" } ], "title": "net/mlx5e: Wrap the tx reporter dump callback to extract the sq", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-06-26T20:41:09.616105Z", "id": "CVE-2021-46931", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-26T20:41:36.460Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:17:42.989Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/73665165b64a8f3c5b3534009a69be55bb744f05", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/07f13d58a8ecc3baf9a488588fb38c5cb0db484f", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/918fc3855a6507a200e9cf22c20be852c0982687", "tags": [ "x_transferred" ] } ] } ] } }