{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43471", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:56.011Z", "datePublished": "2026-05-08T14:22:30.909Z", "dateUpdated": "2026-05-23T16:07:11.013Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T16:07:11.013Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: core: Fix possible NULL pointer dereference in ufshcd_add_command_trace()\n\nThe kernel log indicates a crash in ufshcd_add_command_trace, due to a NULL\npointer dereference when accessing hwq->id. This can happen if\nufshcd_mcq_req_to_hwq() returns NULL.\n\nThis patch adds a NULL check for hwq before accessing its id field to\nprevent a kernel crash.\n\nKernel log excerpt:\n[<ffffffd5d192dc4c>] notify_die+0x4c/0x8c\n[<ffffffd5d1814e58>] __die+0x60/0xb0\n[<ffffffd5d1814d64>] die+0x4c/0xe0\n[<ffffffd5d181575c>] die_kernel_fault+0x74/0x88\n[<ffffffd5d1864db4>] __do_kernel_fault+0x314/0x318\n[<ffffffd5d2a3cdf8>] do_page_fault+0xa4/0x5f8\n[<ffffffd5d2a3cd34>] do_translation_fault+0x34/0x54\n[<ffffffd5d1864524>] do_mem_abort+0x50/0xa8\n[<ffffffd5d2a297dc>] el1_abort+0x3c/0x64\n[<ffffffd5d2a29718>] el1h_64_sync_handler+0x44/0xcc\n[<ffffffd5d181133c>] el1h_64_sync+0x80/0x88\n[<ffffffd5d255c1dc>] ufshcd_add_command_trace+0x23c/0x320\n[<ffffffd5d255bad8>] ufshcd_compl_one_cqe+0xa4/0x404\n[<ffffffd5d2572968>] ufshcd_mcq_poll_cqe_lock+0xac/0x104\n[<ffffffd5d11c7460>] ufs_mtk_mcq_intr+0x54/0x74 [ufs_mediatek_mod]\n[<ffffffd5d19ab92c>] __handle_irq_event_percpu+0xc8/0x348\n[<ffffffd5d19abca8>] handle_irq_event+0x3c/0xa8\n[<ffffffd5d19b1f0c>] handle_fasteoi_irq+0xf8/0x294\n[<ffffffd5d19aa778>] generic_handle_domain_irq+0x54/0x80\n[<ffffffd5d18102bc>] gic_handle_irq+0x1d4/0x330\n[<ffffffd5d1838210>] call_on_irq_stack+0x44/0x68\n[<ffffffd5d183af30>] do_interrupt_handler+0x78/0xd8\n[<ffffffd5d2a29c00>] el1_interrupt+0x48/0xa8\n[<ffffffd5d2a29ba8>] el1h_64_irq_handler+0x14/0x24\n[<ffffffd5d18113c4>] el1h_64_irq+0x80/0x88\n[<ffffffd5d2527fb4>] arch_local_irq_enable+0x4/0x1c\n[<ffffffd5d25282e4>] cpuidle_enter+0x34/0x54\n[<ffffffd5d195a678>] do_idle+0x1dc/0x2f8\n[<ffffffd5d195a7c4>] cpu_startup_entry+0x30/0x3c\n[<ffffffd5d18155c4>] secondary_start_kernel+0x134/0x1ac\n[<ffffffd5d18640bc>] __secondary_switched+0xc4/0xcc"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": 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"https://git.kernel.org/stable/c/0614f5618c24fbc3d555efade22887b102ad7ad6"}, {"url": "https://git.kernel.org/stable/c/be730f9ee92ae08f2bc4b336967bcfd8183c06fe"}, {"url": "https://git.kernel.org/stable/c/f4f590c6c9df7453bbda2ef9170b1b09e42a124c"}, {"url": "https://git.kernel.org/stable/c/93b9e7ee9e93629db80bbc9dab8a874215b89ccf"}, {"url": "https://git.kernel.org/stable/c/30df81f2228d65bddf492db3929d9fcaffd38fc5"}], "title": "scsi: ufs: core: Fix possible NULL pointer dereference in ufshcd_add_command_trace()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/ufs/core/ufshcd.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "0614f5618c24fbc3d555efade22887b102ad7ad6", "status": "affected", "version": "bed0896008334eeee4b4bfd7150491ca098cbf72", "versionType": "git"}, {"lessThan": "be730f9ee92ae08f2bc4b336967bcfd8183c06fe", "status": "affected", "version": "9307a998cb9846a2557fdca286997430bee36a2a", "versionType": "git"}, {"lessThan": "f4f590c6c9df7453bbda2ef9170b1b09e42a124c", "status": "affected", "version": "9307a998cb9846a2557fdca286997430bee36a2a", "versionType": "git"}, {"lessThan": "93b9e7ee9e93629db80bbc9dab8a874215b89ccf", "status": "affected", "version": "9307a998cb9846a2557fdca286997430bee36a2a", "versionType": "git"}, {"lessThan": "30df81f2228d65bddf492db3929d9fcaffd38fc5", "status": "affected", "version": "9307a998cb9846a2557fdca286997430bee36a2a", "versionType": "git"}, {"status": "affected", "version": "11d81233f4ebe6907b12c79ad7d8787aa4db0633", "versionType": "git"}, {"lessThan": "6.6.130", "status": "affected", "version": "6.6.41", "versionType": "semver"}, {"lessThan": "6.10", "status": "affected", "version": "6.9.10", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/ufs/core/ufshcd.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.10"}, {"lessThan": "6.10", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.130", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.78", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.19", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "26D3BD9B-33D9-4B3C-9FAA-E5BA5D7900AF", "versionEndExcluding": "6.6.130", "versionStartIncluding": "6.6.41", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9B0E24EE-A06E-497B-BF65-1F0729D0A2C3", "versionEndExcluding": "6.10", "versionStartIncluding": "6.9.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DC42FFE4-BBBB-48E5-AD62-DA7FEAD2DD43", "versionEndExcluding": "6.12.78", "versionStartIncluding": "6.10.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D394AC60-6F28-435F-872A-CCDF384B8331", "versionEndExcluding": "6.18.19", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E825E7C3-FEAC-4FD3-8A81-78D7387948C9", "versionEndExcluding": "6.19.9", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10:-:*:*:*:*:*:*", "matchCriteriaId": "9EA80796-744E-45F5-8632-2AB4F7889FCD", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: core: Fix possible NULL pointer dereference in ufshcd_add_command_trace()\n\nThe kernel log indicates a crash in ufshcd_add_command_trace, due to a NULL\npointer dereference when accessing hwq->id. This can happen if\nufshcd_mcq_req_to_hwq() returns NULL.\n\nThis patch adds a NULL check for hwq before accessing its id field to\nprevent a kernel crash.\n\nKernel log excerpt:\n[<ffffffd5d192dc4c>] notify_die+0x4c/0x8c\n[<ffffffd5d1814e58>] __die+0x60/0xb0\n[<ffffffd5d1814d64>] die+0x4c/0xe0\n[<ffffffd5d181575c>] die_kernel_fault+0x74/0x88\n[<ffffffd5d1864db4>] __do_kernel_fault+0x314/0x318\n[<ffffffd5d2a3cdf8>] do_page_fault+0xa4/0x5f8\n[<ffffffd5d2a3cd34>] do_translation_fault+0x34/0x54\n[<ffffffd5d1864524>] do_mem_abort+0x50/0xa8\n[<ffffffd5d2a297dc>] el1_abort+0x3c/0x64\n[<ffffffd5d2a29718>] el1h_64_sync_handler+0x44/0xcc\n[<ffffffd5d181133c>] el1h_64_sync+0x80/0x88\n[<ffffffd5d255c1dc>] ufshcd_add_command_trace+0x23c/0x320\n[<ffffffd5d255bad8>] ufshcd_compl_one_cqe+0xa4/0x404\n[<ffffffd5d2572968>] ufshcd_mcq_poll_cqe_lock+0xac/0x104\n[<ffffffd5d11c7460>] ufs_mtk_mcq_intr+0x54/0x74 [ufs_mediatek_mod]\n[<ffffffd5d19ab92c>] __handle_irq_event_percpu+0xc8/0x348\n[<ffffffd5d19abca8>] handle_irq_event+0x3c/0xa8\n[<ffffffd5d19b1f0c>] handle_fasteoi_irq+0xf8/0x294\n[<ffffffd5d19aa778>] generic_handle_domain_irq+0x54/0x80\n[<ffffffd5d18102bc>] gic_handle_irq+0x1d4/0x330\n[<ffffffd5d1838210>] call_on_irq_stack+0x44/0x68\n[<ffffffd5d183af30>] do_interrupt_handler+0x78/0xd8\n[<ffffffd5d2a29c00>] el1_interrupt+0x48/0xa8\n[<ffffffd5d2a29ba8>] el1h_64_irq_handler+0x14/0x24\n[<ffffffd5d18113c4>] el1h_64_irq+0x80/0x88\n[<ffffffd5d2527fb4>] arch_local_irq_enable+0x4/0x1c\n[<ffffffd5d25282e4>] cpuidle_enter+0x34/0x54\n[<ffffffd5d195a678>] do_idle+0x1dc/0x2f8\n[<ffffffd5d195a7c4>] cpu_startup_entry+0x30/0x3c\n[<ffffffd5d18155c4>] secondary_start_kernel+0x134/0x1ac\n[<ffffffd5d18640bc>] __secondary_switched+0xc4/0xcc"}], "id": "CVE-2026-43471", "lastModified": "2026-06-17T10:49:39.930", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-05-08T15:17:00.193", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0614f5618c24fbc3d555efade22887b102ad7ad6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/30df81f2228d65bddf492db3929d9fcaffd38fc5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/93b9e7ee9e93629db80bbc9dab8a874215b89ccf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/be730f9ee92ae08f2bc4b336967bcfd8183c06fe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f4f590c6c9df7453bbda2ef9170b1b09e42a124c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: scsi: ufs: core: Fix possible NULL pointer dereference in ufshcd_add_command_trace()", "id": "2468201", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468201"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["A flaw was found in the Linux kernel's SCSI Universal Flash Storage (UFS) core. This flaw occurs due to a missing null pointer check in the `ufshcd_add_command_trace()` function. A local attacker could potentially trigger a scenario where a null value is returned by `ufshcd_mcq_req_to_hwq()`, leading to a null pointer dereference and a kernel crash. This can result in a Denial of Service (DoS) condition, making the system unavailable."], "name": "CVE-2026-43471", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43471\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43471\nhttps://lore.kernel.org/linux-cve-announce/2026050805-CVE-2026-43471-3fa3@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,0614f5618c24fbc3d555efade22887b102ad7ad6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,be730f9ee92ae08f2bc4b336967bcfd8183c06fe)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,f4f590c6c9df7453bbda2ef9170b1b09e42a124c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,93b9e7ee9e93629db80bbc9dab8a874215b89ccf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,30df81f2228d65bddf492db3929d9fcaffd38fc5)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.130,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.78,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.19,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.9,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-08T20:00:12.735507+00:00", "updated": "2026-05-09T14:15:38.060151+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}