{"dataType":"CVE_RECORD","dataVersion":"5.2","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":"2026-05-11T21:17:13.425Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:17:13.425Z"},"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"}}}}