{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-50388", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-17T14:53:06.997Z", "datePublished": "2025-09-18T13:33:08.612Z", "dateUpdated": "2026-05-11T19:18:34.280Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:18:34.280Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme: fix multipath crash caused by flush request when blktrace is enabled\n\nThe flush request initialized by blk_kick_flush has NULL bio,\nand it may be dealt with nvme_end_req during io completion.\nWhen blktrace is enabled, nvme_trace_bio_complete with multipath\nactivated trying to access NULL pointer bio from flush request\nresults in the following crash:\n\n[ 2517.831677] BUG: kernel NULL pointer dereference, address: 000000000000001a\n[ 2517.835213] #PF: supervisor read access in kernel mode\n[ 2517.838724] #PF: error_code(0x0000) - not-present page\n[ 2517.842222] PGD 7b2d51067 P4D 0\n[ 2517.845684] Oops: 0000 [#1] SMP NOPTI\n[ 2517.849125] CPU: 2 PID: 732 Comm: kworker/2:1H Kdump: loaded Tainted: G S 5.15.67-0.cl9.x86_64 #1\n[ 2517.852723] Hardware name: XFUSION 2288H V6/BC13MBSBC, BIOS 1.13 07/27/2022\n[ 2517.856358] Workqueue: nvme_tcp_wq nvme_tcp_io_work [nvme_tcp]\n[ 2517.859993] RIP: 0010:blk_add_trace_bio_complete+0x6/0x30\n[ 2517.863628] Code: 1f 44 00 00 48 8b 46 08 31 c9 ba 04 00 10 00 48 8b 80 50 03 00 00 48 8b 78 50 e9 e5 fe ff ff 0f 1f 44 00 00 41 54 49 89 f4 55 <0f> b6 7a 1a 48 89 d5 e8 3e 1c 2b 00 48 89 ee 4c 89 e7 5d 89 c1 ba\n[ 2517.871269] RSP: 0018:ff7f6a008d9dbcd0 EFLAGS: 00010286\n[ 2517.875081] RAX: ff3d5b4be00b1d50 RBX: 0000000002040002 RCX: ff3d5b0a270f2000\n[ 2517.878966] RDX: 0000000000000000 RSI: ff3d5b0b021fb9f8 RDI: 0000000000000000\n[ 2517.882849] RBP: ff3d5b0b96a6fa00 R08: 0000000000000001 R09: 0000000000000000\n[ 2517.886718] R10: 000000000000000c R11: 000000000000000c R12: ff3d5b0b021fb9f8\n[ 2517.890575] R13: 0000000002000000 R14: ff3d5b0b021fb1b0 R15: 0000000000000018\n[ 2517.894434] FS: 0000000000000000(0000) GS:ff3d5b42bfc80000(0000) knlGS:0000000000000000\n[ 2517.898299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 2517.902157] CR2: 000000000000001a CR3: 00000004f023e005 CR4: 0000000000771ee0\n[ 2517.906053] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[ 2517.909930] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n[ 2517.913761] PKRU: 55555554\n[ 2517.917558] Call Trace:\n[ 2517.921294] \n[ 2517.924982] nvme_complete_rq+0x1c3/0x1e0 [nvme_core]\n[ 2517.928715] nvme_tcp_recv_pdu+0x4d7/0x540 [nvme_tcp]\n[ 2517.932442] nvme_tcp_recv_skb+0x4f/0x240 [nvme_tcp]\n[ 2517.936137] ? nvme_tcp_recv_pdu+0x540/0x540 [nvme_tcp]\n[ 2517.939830] tcp_read_sock+0x9c/0x260\n[ 2517.943486] nvme_tcp_try_recv+0x65/0xa0 [nvme_tcp]\n[ 2517.947173] nvme_tcp_io_work+0x64/0x90 [nvme_tcp]\n[ 2517.950834] process_one_work+0x1e8/0x390\n[ 2517.954473] worker_thread+0x53/0x3c0\n[ 2517.958069] ? process_one_work+0x390/0x390\n[ 2517.961655] kthread+0x10c/0x130\n[ 2517.965211] ? set_kthread_struct+0x40/0x40\n[ 2517.968760] ret_from_fork+0x1f/0x30\n[ 2517.972285] \n\nTo avoid this situation, add a NULL check for req->bio before\ncalling trace_block_bio_complete." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/nvme/host/nvme.h" ], "versions": [ { "version": "35fe0d12c8a3d5e45f297562732ddc9ba9dc58dd", "lessThan": "f13301a69ababa6c2236fb4f0393b7e914e7e1e0", "status": "affected", "versionType": "git" }, { "version": "35fe0d12c8a3d5e45f297562732ddc9ba9dc58dd", "lessThan": "4df413d46960f11c8c105238cfc3f5ff4c95c003", "status": "affected", "versionType": "git" }, { "version": "35fe0d12c8a3d5e45f297562732ddc9ba9dc58dd", "lessThan": "fcd2d199486033223e9b2a6a7f9a01dd0327eac3", "status": "affected", "versionType": "git" }, { "version": "35fe0d12c8a3d5e45f297562732ddc9ba9dc58dd", "lessThan": "183c2aaef40a91acbaae45c3824d6cde7bb62b10", "status": "affected", "versionType": "git" }, { "version": "35fe0d12c8a3d5e45f297562732ddc9ba9dc58dd", "lessThan": "3659fb5ac29a5e6102bebe494ac789fd47fb78f4", "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/nvme/host/nvme.h" ], "versions": [ { "version": "5.4", "status": "affected" }, { "version": "0", "lessThan": "5.4", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.163", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.87", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.0.19", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.5", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.2", "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": "5.4", "versionEndExcluding": "5.10.163" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "5.15.87" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.0.19" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.1.5" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.2" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/f13301a69ababa6c2236fb4f0393b7e914e7e1e0" }, { "url": "https://git.kernel.org/stable/c/4df413d46960f11c8c105238cfc3f5ff4c95c003" }, { "url": "https://git.kernel.org/stable/c/fcd2d199486033223e9b2a6a7f9a01dd0327eac3" }, { "url": "https://git.kernel.org/stable/c/183c2aaef40a91acbaae45c3824d6cde7bb62b10" }, { "url": "https://git.kernel.org/stable/c/3659fb5ac29a5e6102bebe494ac789fd47fb78f4" } ], "title": "nvme: fix multipath crash caused by flush request when blktrace is enabled", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "id": "CVE-2022-50388", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2026-01-14T18:49:41.132180Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-14T18:53:04.992Z" } } ] } }