{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-22091", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T08:45:45.817Z", "datePublished": "2025-04-16T14:12:43.228Z", "dateUpdated": "2026-05-11T21:12:42.401Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:12:42.401Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/mlx5: Fix page_size variable overflow\n\nChange all variables storing mlx5_umem_mkc_find_best_pgsz() result to\nunsigned long to support values larger than 31 and avoid overflow.\n\nFor example: If we try to register 4GB of memory that is contiguous in\nphysical memory, the driver will optimize the page_size and try to use\nan mkey with 4GB entity size. The 'unsigned int' page_size variable will\noverflow to '0' and we'll hit the WARN_ON() in alloc_cacheable_mr().\n\nWARNING: CPU: 2 PID: 1203 at drivers/infiniband/hw/mlx5/mr.c:1124 alloc_cacheable_mr+0x22/0x580 [mlx5_ib]\nModules linked in: mlx5_ib mlx5_core bonding ip6_gre ip6_tunnel tunnel6 ip_gre gre rdma_rxe rdma_ucm ib_uverbs ib_ipoib ib_umad rpcrdma ib_iser libiscsi scsi_transport_iscsi rdma_cm iw_cm ib_cm fuse ib_core [last unloaded: mlx5_core]\nCPU: 2 UID: 70878 PID: 1203 Comm: rdma_resource_l Tainted: G W 6.14.0-rc4-dirty #43\nTainted: [W]=WARN\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\nRIP: 0010:alloc_cacheable_mr+0x22/0x580 [mlx5_ib]\nCode: 90 90 90 90 90 90 90 90 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 41 52 53 48 83 ec 30 f6 46 28 04 4c 8b 77 08 75 21 <0f> 0b 49 c7 c2 ea ff ff ff 48 8d 65 d0 4c 89 d0 5b 41 5a 41 5c 41\nRSP: 0018:ffffc900006ffac8 EFLAGS: 00010246\nRAX: 0000000004c0d0d0 RBX: ffff888217a22000 RCX: 0000000000100001\nRDX: 00007fb7ac480000 RSI: ffff8882037b1240 RDI: ffff8882046f0600\nRBP: ffffc900006ffb28 R08: 0000000000000001 R09: 0000000000000000\nR10: 00000000000007e0 R11: ffffea0008011d40 R12: ffff8882037b1240\nR13: ffff8882046f0600 R14: ffff888217a22000 R15: ffffc900006ffe00\nFS: 00007fb7ed013340(0000) GS:ffff88885fd00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fb7ed1d8000 CR3: 00000001fd8f6006 CR4: 0000000000772eb0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n \n ? __warn+0x81/0x130\n ? alloc_cacheable_mr+0x22/0x580 [mlx5_ib]\n ? report_bug+0xfc/0x1e0\n ? handle_bug+0x55/0x90\n ? exc_invalid_op+0x17/0x70\n ? asm_exc_invalid_op+0x1a/0x20\n ? alloc_cacheable_mr+0x22/0x580 [mlx5_ib]\n create_real_mr+0x54/0x150 [mlx5_ib]\n ib_uverbs_reg_mr+0x17f/0x2a0 [ib_uverbs]\n ib_uverbs_handler_UVERBS_METHOD_INVOKE_WRITE+0xca/0x140 [ib_uverbs]\n ib_uverbs_run_method+0x6d0/0x780 [ib_uverbs]\n ? __pfx_ib_uverbs_handler_UVERBS_METHOD_INVOKE_WRITE+0x10/0x10 [ib_uverbs]\n ib_uverbs_cmd_verbs+0x19b/0x360 [ib_uverbs]\n ? walk_system_ram_range+0x79/0xd0\n ? ___pte_offset_map+0x1b/0x110\n ? __pte_offset_map_lock+0x80/0x100\n ib_uverbs_ioctl+0xac/0x110 [ib_uverbs]\n __x64_sys_ioctl+0x94/0xb0\n do_syscall_64+0x50/0x110\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\nRIP: 0033:0x7fb7ecf0737b\nCode: ff ff ff 85 c0 79 9b 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d 2a 0f 00 f7 d8 64 89 01 48\nRSP: 002b:00007ffdbe03ecc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010\nRAX: ffffffffffffffda RBX: 00007ffdbe03edb8 RCX: 00007fb7ecf0737b\nRDX: 00007ffdbe03eda0 RSI: 00000000c0181b01 RDI: 0000000000000003\nRBP: 00007ffdbe03ed80 R08: 00007fb7ecc84010 R09: 00007ffdbe03eed4\nR10: 0000000000000009 R11: 0000000000000246 R12: 00007ffdbe03eed4\nR13: 000000000000000c R14: 000000000000000c R15: 00007fb7ecc84150\n " } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/infiniband/hw/mlx5/mr.c" ], "versions": [ { "version": "cef7dde8836ab09a3bfe96ada4f18ef2496eacc9", "lessThan": "01fd737776ca0f17a96d83cd7f0840ce130b9a02", "status": "affected", "versionType": "git" }, { "version": "cef7dde8836ab09a3bfe96ada4f18ef2496eacc9", "lessThan": "e0c09f639ca0e102f250df8787740c2013e9d1b3", "status": "affected", "versionType": "git" }, { "version": "cef7dde8836ab09a3bfe96ada4f18ef2496eacc9", "lessThan": "05b215d5e219c0228b9c7082ba9bcf176c576646", "status": "affected", "versionType": "git" }, { "version": "cef7dde8836ab09a3bfe96ada4f18ef2496eacc9", "lessThan": "f0c2427412b43cdf1b7b0944749ea17ddb97d5a5", "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/infiniband/hw/mlx5/mr.c" ], "versions": [ { "version": "6.12", "status": "affected" }, { "version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.23", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.13.11", "lessThanOrEqual": "6.13.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.14.2", "lessThanOrEqual": "6.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.15", "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": "6.12", "versionEndExcluding": "6.12.23" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.13.11" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.14.2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.15" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/01fd737776ca0f17a96d83cd7f0840ce130b9a02" }, { "url": "https://git.kernel.org/stable/c/e0c09f639ca0e102f250df8787740c2013e9d1b3" }, { "url": "https://git.kernel.org/stable/c/05b215d5e219c0228b9c7082ba9bcf176c576646" }, { "url": "https://git.kernel.org/stable/c/f0c2427412b43cdf1b7b0944749ea17ddb97d5a5" } ], "title": "RDMA/mlx5: Fix page_size variable overflow", "x_generator": { "engine": "bippy-1.2.0" } } } }