| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/mlx5: Initialize the ODP xarray when creating an ODP MR\n\nNormally the zero fill would hide the missing initialization, but an\nerrant set to desc_size in reg_create() causes a crash:\n\n BUG: unable to handle page fault for address: 0000000800000000\n PGD 0 P4D 0\n Oops: 0000 [#1] SMP PTI\n CPU: 5 PID: 890 Comm: ib_write_bw Not tainted 5.15.0-rc4+ #47\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\n RIP: 0010:mlx5_ib_dereg_mr+0x14/0x3b0 [mlx5_ib]\n Code: 48 63 cd 4c 89 f7 48 89 0c 24 e8 37 30 03 e1 48 8b 0c 24 eb a0 90 0f 1f 44 00 00 41 56 41 55 41 54 55 53 48 89 fb 48 83 ec 30 <48> 8b 2f 65 48 8b 04 25 28 00 00 00 48 89 44 24 28 31 c0 8b 87 c8\n RSP: 0018:ffff88811afa3a60 EFLAGS: 00010286\n RAX: 000000000000001c RBX: 0000000800000000 RCX: 0000000000000000\n RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000800000000\n RBP: 0000000800000000 R08: 0000000000000000 R09: c0000000fffff7ff\n R10: ffff88811afa38f8 R11: ffff88811afa38f0 R12: ffffffffa02c7ac0\n R13: 0000000000000000 R14: ffff88811afa3cd8 R15: ffff88810772fa00\n FS: 00007f47b9080740(0000) GS:ffff88852cd40000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000000800000000 CR3: 000000010761e003 CR4: 0000000000370ea0\n DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n Call Trace:\n mlx5_ib_free_odp_mr+0x95/0xc0 [mlx5_ib]\n mlx5_ib_dereg_mr+0x128/0x3b0 [mlx5_ib]\n ib_dereg_mr_user+0x45/0xb0 [ib_core]\n ? xas_load+0x8/0x80\n destroy_hw_idr_uobject+0x1a/0x50 [ib_uverbs]\n uverbs_destroy_uobject+0x2f/0x150 [ib_uverbs]\n uobj_destroy+0x3c/0x70 [ib_uverbs]\n ib_uverbs_cmd_verbs+0x467/0xb00 [ib_uverbs]\n ? uverbs_finalize_object+0x60/0x60 [ib_uverbs]\n ? ttwu_queue_wakelist+0xa9/0xe0\n ? pty_write+0x85/0x90\n ? file_tty_write.isra.33+0x214/0x330\n ? process_echoes+0x60/0x60\n ib_uverbs_ioctl+0xa7/0x110 [ib_uverbs]\n __x64_sys_ioctl+0x10d/0x8e0\n ? vfs_write+0x17f/0x260\n do_syscall_64+0x3c/0x80\n entry_SYSCALL_64_after_hwframe+0x44/0xae\n\nAdd the missing xarray initialization and remove the desc_size set." |
| } |
| ], |
| "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": "a639e66703ee45745dc4057c7c2013ed9e1963a7", |
| "lessThan": "5f6995295f65d1ee6f36d466d26afd98eb797afe", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "a639e66703ee45745dc4057c7c2013ed9e1963a7", |
| "lessThan": "5508546631a0f555d7088203dec2614e41b5106e", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "29f91bd26f3ba828a55cb446ecd44caacf0df026", |
| "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": "5.13", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.13", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.14.16", |
| "lessThanOrEqual": "5.14.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15", |
| "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": "5.13", |
| "versionEndExcluding": "5.14.16" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.13", |
| "versionEndExcluding": "5.15" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.12.4" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/5f6995295f65d1ee6f36d466d26afd98eb797afe" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/5508546631a0f555d7088203dec2614e41b5106e" |
| } |
| ], |
| "title": "RDMA/mlx5: Initialize the ODP xarray when creating an ODP MR", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-47481", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
