{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-38186", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.992Z", "datePublished": "2025-07-04T13:37:12.484Z", "dateUpdated": "2026-05-11T21:22:54.658Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:22:54.658Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Fix double invocation of bnxt_ulp_stop()/bnxt_ulp_start()\n\nBefore the commit under the Fixes tag below, bnxt_ulp_stop() and\nbnxt_ulp_start() were always invoked in pairs. After that commit,\nthe new bnxt_ulp_restart() can be invoked after bnxt_ulp_stop()\nhas been called. This may result in the RoCE driver's aux driver\n.suspend() method being invoked twice. The 2nd bnxt_re_suspend()\ncall will crash when it dereferences a NULL pointer:\n\n(NULL ib_device): Handle device suspend call\nBUG: kernel NULL pointer dereference, address: 0000000000000b78\nPGD 0 P4D 0\nOops: Oops: 0000 [#1] SMP PTI\nCPU: 20 UID: 0 PID: 181 Comm: kworker/u96:5 Tainted: G S 6.15.0-rc1 #4 PREEMPT(voluntary)\nTainted: [S]=CPU_OUT_OF_SPEC\nHardware name: Dell Inc. PowerEdge R730/072T6D, BIOS 2.4.3 01/17/2017\nWorkqueue: bnxt_pf_wq bnxt_sp_task [bnxt_en]\nRIP: 0010:bnxt_re_suspend+0x45/0x1f0 [bnxt_re]\nCode: 8b 05 a7 3c 5b f5 48 89 44 24 18 31 c0 49 8b 5c 24 08 4d 8b 2c 24 e8 ea 06 0a f4 48 c7 c6 04 60 52 c0 48 89 df e8 1b ce f9 ff <48> 8b 83 78 0b 00 00 48 8b 80 38 03 00 00 a8 40 0f 85 b5 00 00 00\nRSP: 0018:ffffa2e84084fd88 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001\nRDX: 0000000000000000 RSI: ffffffffb4b6b934 RDI: 00000000ffffffff\nRBP: ffffa1760954c9c0 R08: 0000000000000000 R09: c0000000ffffdfff\nR10: 0000000000000001 R11: ffffa2e84084fb50 R12: ffffa176031ef070\nR13: ffffa17609775000 R14: ffffa17603adc180 R15: 0000000000000000\nFS: 0000000000000000(0000) GS:ffffa17daa397000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000000000b78 CR3: 00000004aaa30003 CR4: 00000000003706f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n\nbnxt_ulp_stop+0x69/0x90 [bnxt_en]\nbnxt_sp_task+0x678/0x920 [bnxt_en]\n? __schedule+0x514/0xf50\nprocess_scheduled_works+0x9d/0x400\nworker_thread+0x11c/0x260\n? __pfx_worker_thread+0x10/0x10\nkthread+0xfe/0x1e0\n? __pfx_kthread+0x10/0x10\nret_from_fork+0x2b/0x40\n? __pfx_kthread+0x10/0x10\nret_from_fork_asm+0x1a/0x30\n\nCheck the BNXT_EN_FLAG_ULP_STOPPED flag and do not proceed if the flag\nis already set. This will preserve the original symmetrical\nbnxt_ulp_stop() and bnxt_ulp_start().\n\nAlso, inside bnxt_ulp_start(), clear the BNXT_EN_FLAG_ULP_STOPPED\nflag after taking the mutex to avoid any race condition. And for\nsymmetry, only proceed in bnxt_ulp_start() if the\nBNXT_EN_FLAG_ULP_STOPPED is set." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c" ], "versions": [ { "version": "3c163f35bd50314d4e70ed9e83e1d8d83c473325", "lessThan": "6f2cd309492924b8afd2c62aebff815c1119d124", "status": "affected", "versionType": "git" }, { "version": "3c163f35bd50314d4e70ed9e83e1d8d83c473325", "lessThan": "cca4ffd4a5b768752b91f6f75d77928e47886913", "status": "affected", "versionType": "git" }, { "version": "3c163f35bd50314d4e70ed9e83e1d8d83c473325", "lessThan": "1e9ac33fa271be0d2480fd732f9642d81542500b", "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/broadcom/bnxt/bnxt_ulp.c" ], "versions": [ { "version": "6.10", "status": "affected" }, { "version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.35", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.15.4", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.16", "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": "6.10", "versionEndExcluding": "6.12.35" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.15.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.16" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/6f2cd309492924b8afd2c62aebff815c1119d124" }, { "url": "https://git.kernel.org/stable/c/cca4ffd4a5b768752b91f6f75d77928e47886913" }, { "url": "https://git.kernel.org/stable/c/1e9ac33fa271be0d2480fd732f9642d81542500b" } ], "title": "bnxt_en: Fix double invocation of bnxt_ulp_stop()/bnxt_ulp_start()", "x_generator": { "engine": "bippy-1.2.0" } } } }