{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-22049","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-12-29T08:45:45.811Z","datePublished":"2025-04-16T14:12:08.317Z","dateUpdated":"2026-05-11T21:11:39.043Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:11:39.043Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: Increase ARCH_DMA_MINALIGN up to 16\n\nARCH_DMA_MINALIGN is 1 by default, but some LoongArch-specific devices\n(such as APBDMA) require 16 bytes alignment. When the data buffer length\nis too small, the hardware may make an error writing cacheline. Thus, it\nis dangerous to allocate a small memory buffer for DMA. It's always safe\nto define ARCH_DMA_MINALIGN as L1_CACHE_BYTES but unnecessary (kmalloc()\nneed small memory objects). Therefore, just increase it to 16."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/loongarch/include/asm/cache.h"],"versions":[{"version":"fa96b57c149061f71a70bd6582d995f6424fbbf4","lessThan":"f39af67f03b564b763b06e44cb960c10a382d54a","status":"affected","versionType":"git"},{"version":"fa96b57c149061f71a70bd6582d995f6424fbbf4","lessThan":"279ec25c2df49fba1cd9488f2ddd045d9cb2112e","status":"affected","versionType":"git"},{"version":"fa96b57c149061f71a70bd6582d995f6424fbbf4","lessThan":"1d0def2d1658666ec1f32c9495df60e7411e3c82","status":"affected","versionType":"git"},{"version":"fa96b57c149061f71a70bd6582d995f6424fbbf4","lessThan":"bfff341cac7c650e6ca8d10503725992f5564d0f","status":"affected","versionType":"git"},{"version":"fa96b57c149061f71a70bd6582d995f6424fbbf4","lessThan":"8b82aea3666f8f2c78f86148d78aea99c46e0f82","status":"affected","versionType":"git"},{"version":"fa96b57c149061f71a70bd6582d995f6424fbbf4","lessThan":"4103cfe9dcb88010ae4911d3ff417457d1b6a720","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/loongarch/include/asm/cache.h"],"versions":[{"version":"5.19","status":"affected"},{"version":"0","lessThan":"5.19","status":"unaffected","versionType":"semver"},{"version":"6.1.134","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.87","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.23","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.13.11","lessThanOrEqual":"6.13.*","status":"unaffected","versionType":"semver"},{"version":"6.14.2","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":"5.19","versionEndExcluding":"6.1.134"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.6.87"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.12.23"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.13.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.14.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.15"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/f39af67f03b564b763b06e44cb960c10a382d54a"},{"url":"https://git.kernel.org/stable/c/279ec25c2df49fba1cd9488f2ddd045d9cb2112e"},{"url":"https://git.kernel.org/stable/c/1d0def2d1658666ec1f32c9495df60e7411e3c82"},{"url":"https://git.kernel.org/stable/c/bfff341cac7c650e6ca8d10503725992f5564d0f"},{"url":"https://git.kernel.org/stable/c/8b82aea3666f8f2c78f86148d78aea99c46e0f82"},{"url":"https://git.kernel.org/stable/c/4103cfe9dcb88010ae4911d3ff417457d1b6a720"}],"title":"LoongArch: Increase ARCH_DMA_MINALIGN up to 16","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T19:41:31.511Z"}}]}}