{"id":"CVE-2026-53063","state":"PUBLISHED","title":"dm cache: fix write hang in passthrough mode","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm cache: fix write hang in passthrough mode\n\nThe invalidate_remove() function has incomplete logic for handling write\nhit bios after cache invalidation. It sets up the remapping for the\noverwrite_bio but then drops it immediately without submission, causing\nwrite operations to hang.\n\nFix by adding a new invalidate_committed() continuation that submits\nthe remapped writes to the cache origin after metadata commit completes,\nwhile using the overwrite_endio hook to ensure proper completion\nsequencing. This maintains existing coherency. Also improve error\nhandling in invalidate_complete() to preserve the original error status\ninstead of using bio_io_error() unconditionally.","publishedAt":"2026-06-24T16:30:06.857Z","updatedAt":"2026-06-24T16:30:06.857Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b29d4986d0da1a27cd35917cdb433672f5c95d7f","status":"affected","lessThan":"9fa18d0b981776b190ca4632942a7c2174052b78","versionType":"git"},{"version":"b29d4986d0da1a27cd35917cdb433672f5c95d7f","status":"affected","lessThan":"ecb10c193cbebf5e6984246a9b4ff1f95d45ed87","versionType":"git"},{"version":"b29d4986d0da1a27cd35917cdb433672f5c95d7f","status":"affected","lessThan":"64d6519b00be4116d365bd31f33a5e5ce2944c1a","versionType":"git"},{"version":"b29d4986d0da1a27cd35917cdb433672f5c95d7f","status":"affected","lessThan":"b8ace9e96983abb20ccf39edce8a60f1bb0b83d8","versionType":"git"},{"version":"b29d4986d0da1a27cd35917cdb433672f5c95d7f","status":"affected","lessThan":"05798d091ebcfb6d68228890e593f209e8ac940d","versionType":"git"},{"version":"b29d4986d0da1a27cd35917cdb433672f5c95d7f","status":"affected","lessThan":"4ca8b8bd952df7c3ccdc68af9bd3419d0839a04b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-cache-target.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.12","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.141","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.91","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.33","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.10","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-cache-target.c"]}],"references":["https://git.kernel.org/stable/c/9fa18d0b981776b190ca4632942a7c2174052b78","https://git.kernel.org/stable/c/ecb10c193cbebf5e6984246a9b4ff1f95d45ed87","https://git.kernel.org/stable/c/64d6519b00be4116d365bd31f33a5e5ce2944c1a","https://git.kernel.org/stable/c/b8ace9e96983abb20ccf39edce8a60f1bb0b83d8","https://git.kernel.org/stable/c/05798d091ebcfb6d68228890e593f209e8ac940d","https://git.kernel.org/stable/c/4ca8b8bd952df7c3ccdc68af9bd3419d0839a04b"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/53xxx/CVE-2026-53063.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53063","state":"PUBLISHED","datePublished":"2026-06-24T16:30:06.857Z","dateUpdated":"2026-06-24T16:30:06.857Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-06-09T07:44:35.382Z"},"containers":{"cna":{"title":"dm cache: fix write hang in passthrough mode","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm cache: fix write hang in passthrough mode\n\nThe invalidate_remove() function has incomplete logic for handling write\nhit bios after cache invalidation. It sets up the remapping for the\noverwrite_bio but then drops it immediately without submission, causing\nwrite operations to hang.\n\nFix by adding a new invalidate_committed() continuation that submits\nthe remapped writes to the cache origin after metadata commit completes,\nwhile using the overwrite_endio hook to ensure proper completion\nsequencing. This maintains existing coherency. Also improve error\nhandling in invalidate_complete() to preserve the original error status\ninstead of using bio_io_error() unconditionally."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b29d4986d0da1a27cd35917cdb433672f5c95d7f","status":"affected","lessThan":"9fa18d0b981776b190ca4632942a7c2174052b78","versionType":"git"},{"version":"b29d4986d0da1a27cd35917cdb433672f5c95d7f","status":"affected","lessThan":"ecb10c193cbebf5e6984246a9b4ff1f95d45ed87","versionType":"git"},{"version":"b29d4986d0da1a27cd35917cdb433672f5c95d7f","status":"affected","lessThan":"64d6519b00be4116d365bd31f33a5e5ce2944c1a","versionType":"git"},{"version":"b29d4986d0da1a27cd35917cdb433672f5c95d7f","status":"affected","lessThan":"b8ace9e96983abb20ccf39edce8a60f1bb0b83d8","versionType":"git"},{"version":"b29d4986d0da1a27cd35917cdb433672f5c95d7f","status":"affected","lessThan":"05798d091ebcfb6d68228890e593f209e8ac940d","versionType":"git"},{"version":"b29d4986d0da1a27cd35917cdb433672f5c95d7f","status":"affected","lessThan":"4ca8b8bd952df7c3ccdc68af9bd3419d0839a04b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-cache-target.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.12","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.141","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.91","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.33","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.10","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-cache-target.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/9fa18d0b981776b190ca4632942a7c2174052b78"},{"url":"https://git.kernel.org/stable/c/ecb10c193cbebf5e6984246a9b4ff1f95d45ed87"},{"url":"https://git.kernel.org/stable/c/64d6519b00be4116d365bd31f33a5e5ce2944c1a"},{"url":"https://git.kernel.org/stable/c/b8ace9e96983abb20ccf39edce8a60f1bb0b83d8"},{"url":"https://git.kernel.org/stable/c/05798d091ebcfb6d68228890e593f209e8ac940d"},{"url":"https://git.kernel.org/stable/c/4ca8b8bd952df7c3ccdc68af9bd3419d0839a04b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-24T16:30:06.857Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.6.141"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.12.91"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.18.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"7.0.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}