{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-37896", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.964Z", "datePublished": "2025-05-20T15:21:32.685Z", "dateUpdated": "2025-05-26T05:23:14.733Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-26T05:23:14.733Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: spi-mem: Add fix to avoid divide error\n\nFor some SPI flash memory operations, dummy bytes are not mandatory. For\nexample, in Winbond SPINAND flash memory devices, the `write_cache` and\n`update_cache` operation variants have zero dummy bytes. Calculating the\nduration for SPI memory operations with zero dummy bytes causes\na divide error when `ncycles` is calculated in the\nspi_mem_calc_op_duration().\n\nAdd changes to skip the 'ncylcles' calculation for zero dummy bytes.\n\nFollowing divide error is fixed by this change:\n\n Oops: divide error: 0000 [#1] PREEMPT SMP NOPTI\n...\n\n ? do_trap+0xdb/0x100\n ? do_error_trap+0x75/0xb0\n ? spi_mem_calc_op_duration+0x56/0xb0\n ? exc_divide_error+0x3b/0x70\n ? spi_mem_calc_op_duration+0x56/0xb0\n ? asm_exc_divide_error+0x1b/0x20\n ? spi_mem_calc_op_duration+0x56/0xb0\n ? spinand_select_op_variant+0xee/0x190 [spinand]\n spinand_match_and_init+0x13e/0x1a0 [spinand]\n spinand_manufacturer_match+0x6e/0xa0 [spinand]\n spinand_probe+0x357/0x7f0 [spinand]\n ? kernfs_activate+0x87/0xd0\n spi_mem_probe+0x7a/0xb0\n spi_probe+0x7d/0x130"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/spi/spi-mem.c"], "versions": [{"version": "226d6cb3cb799aae46d0dd19a521133997d9db11", "lessThan": "1915dbd67dadc0bb35670c8e28229baa29368d17", "status": "affected", "versionType": "git"}, {"version": "226d6cb3cb799aae46d0dd19a521133997d9db11", "lessThan": "8e4d3d8a5e51e07bd0d6cdd81b5e4af79f796927", "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/spi/spi-mem.c"], "versions": [{"version": "6.14", "status": "affected"}, {"version": "0", "lessThan": "6.14", "status": "unaffected", "versionType": "semver"}, {"version": "6.14.6", "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": "6.14", "versionEndExcluding": "6.14.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "6.15"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/1915dbd67dadc0bb35670c8e28229baa29368d17"}, {"url": "https://git.kernel.org/stable/c/8e4d3d8a5e51e07bd0d6cdd81b5e4af79f796927"}], "title": "spi: spi-mem: Add fix to avoid divide error", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: spi-mem: Add fix to avoid divide error\n\nFor some SPI flash memory operations, dummy bytes are not mandatory. For\nexample, in Winbond SPINAND flash memory devices, the `write_cache` and\n`update_cache` operation variants have zero dummy bytes. Calculating the\nduration for SPI memory operations with zero dummy bytes causes\na divide error when `ncycles` is calculated in the\nspi_mem_calc_op_duration().\n\nAdd changes to skip the 'ncylcles' calculation for zero dummy bytes.\n\nFollowing divide error is fixed by this change:\n\n Oops: divide error: 0000 [#1] PREEMPT SMP NOPTI\n...\n\n ? do_trap+0xdb/0x100\n ? do_error_trap+0x75/0xb0\n ? spi_mem_calc_op_duration+0x56/0xb0\n ? exc_divide_error+0x3b/0x70\n ? spi_mem_calc_op_duration+0x56/0xb0\n ? asm_exc_divide_error+0x1b/0x20\n ? spi_mem_calc_op_duration+0x56/0xb0\n ? spinand_select_op_variant+0xee/0x190 [spinand]\n spinand_match_and_init+0x13e/0x1a0 [spinand]\n spinand_manufacturer_match+0x6e/0xa0 [spinand]\n spinand_probe+0x357/0x7f0 [spinand]\n ? kernfs_activate+0x87/0xd0\n spi_mem_probe+0x7a/0xb0\n spi_probe+0x7d/0x130"}], "id": "CVE-2025-37896", "lastModified": "2025-05-21T20:25:16.407", "metrics": {}, "published": "2025-05-20T16:15:25.960", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1915dbd67dadc0bb35670c8e28229baa29368d17"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8e4d3d8a5e51e07bd0d6cdd81b5e4af79f796927"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: spi: spi-mem: Add fix to avoid divide error", "id": "2367528", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2367528"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nspi: spi-mem: Add fix to avoid divide error\nFor some SPI flash memory operations, dummy bytes are not mandatory. For\nexample, in Winbond SPINAND flash memory devices, the `write_cache` and\n`update_cache` operation variants have zero dummy bytes. Calculating the\nduration for SPI memory operations with zero dummy bytes causes\na divide error when `ncycles` is calculated in the\nspi_mem_calc_op_duration().\nAdd changes to skip the 'ncylcles' calculation for zero dummy bytes.\nFollowing divide error is fixed by this change:\nOops: divide error: 0000 [#1] PREEMPT SMP NOPTI\n...\n? do_trap+0xdb/0x100\n? do_error_trap+0x75/0xb0\n? spi_mem_calc_op_duration+0x56/0xb0\n? exc_divide_error+0x3b/0x70\n? spi_mem_calc_op_duration+0x56/0xb0\n? asm_exc_divide_error+0x1b/0x20\n? spi_mem_calc_op_duration+0x56/0xb0\n? spinand_select_op_variant+0xee/0x190 [spinand]\nspinand_match_and_init+0x13e/0x1a0 [spinand]\nspinand_manufacturer_match+0x6e/0xa0 [spinand]\nspinand_probe+0x357/0x7f0 [spinand]\n? kernfs_activate+0x87/0xd0\nspi_mem_probe+0x7a/0xb0\nspi_probe+0x7d/0x130"], "name": "CVE-2025-37896", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "2025-05-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-37896\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-37896\nhttps://lore.kernel.org/linux-cve-announce/2025052053-CVE-2025-37896-d623@gregkh/T"], "threat_severity": "Moderate"}