{"id":"CVE-2026-89577","state":"PUBLISHED","title":"dm-io: report non-retryable errors separatedly","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm-io: report non-retryable errors separatedly\n\nThe error codes BLK_STS_NOTSUPP and BLK_STS_INVAL should not cause leg\nfailure on dm-raid1. This patch changes the interface to dm-io, so that\nit reports two error bitmaps - error_bits and unsup_bits. The unsup_bit\nbitmap tracks BLK_STS_NOTSUPP or BLK_STS_INVAL errors, the error_bits\nbitmap tracks all the other errors.\n\ndm-raid1 is changed so that it won't fail a leg if it receives an error\nin the unsup_bits bitmap.\n\nThis patch (with 62dc37a819a5) fixes misbehavior if the user uses\nunaligned bio vectors on dm-raid1.","publishedAt":"2026-09-11T19:44:44.617Z","updatedAt":"2026-10-19T08:49:10.301Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5ff3f74e145adc79b49668adb8de276446acf6be","status":"affected","lessThan":"49694a363f7ecd5a52d1ea1a13c287ad6d196c35","versionType":"git"},{"version":"5ff3f74e145adc79b49668adb8de276446acf6be","status":"affected","lessThan":"15fc1ec72e1f8089063d298550ada727e18f114a","versionType":"git"},{"version":"5ff3f74e145adc79b49668adb8de276446acf6be","status":"affected","lessThan":"47a5e62f39875f371bded6e34ffb9cf15ccd813d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-bufio.c","drivers/md/dm-integrity.c","drivers/md/dm-io.c","drivers/md/dm-kcopyd.c","drivers/md/dm-log.c","drivers/md/dm-raid1.c","drivers/md/dm-snap-persistent.c","drivers/md/dm-verity-target.c","drivers/md/dm-writecache.c","include/linux/dm-io.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.50","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.4","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","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-bufio.c","drivers/md/dm-integrity.c","drivers/md/dm-io.c","drivers/md/dm-kcopyd.c","drivers/md/dm-log.c","drivers/md/dm-raid1.c","drivers/md/dm-snap-persistent.c","drivers/md/dm-verity-target.c","drivers/md/dm-writecache.c","include/linux/dm-io.h"]}],"references":["https://git.kernel.org/stable/c/49694a363f7ecd5a52d1ea1a13c287ad6d196c35","https://git.kernel.org/stable/c/15fc1ec72e1f8089063d298550ada727e18f114a","https://git.kernel.org/stable/c/47a5e62f39875f371bded6e34ffb9cf15ccd813d"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89577.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89577","state":"PUBLISHED","datePublished":"2026-09-11T19:44:44.617Z","dateUpdated":"2026-10-19T08:49:10.301Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.727Z"},"containers":{"cna":{"title":"dm-io: report non-retryable errors separatedly","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm-io: report non-retryable errors separatedly\n\nThe error codes BLK_STS_NOTSUPP and BLK_STS_INVAL should not cause leg\nfailure on dm-raid1. This patch changes the interface to dm-io, so that\nit reports two error bitmaps - error_bits and unsup_bits. The unsup_bit\nbitmap tracks BLK_STS_NOTSUPP or BLK_STS_INVAL errors, the error_bits\nbitmap tracks all the other errors.\n\ndm-raid1 is changed so that it won't fail a leg if it receives an error\nin the unsup_bits bitmap.\n\nThis patch (with 62dc37a819a5) fixes misbehavior if the user uses\nunaligned bio vectors on dm-raid1."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5ff3f74e145adc79b49668adb8de276446acf6be","status":"affected","lessThan":"49694a363f7ecd5a52d1ea1a13c287ad6d196c35","versionType":"git"},{"version":"5ff3f74e145adc79b49668adb8de276446acf6be","status":"affected","lessThan":"15fc1ec72e1f8089063d298550ada727e18f114a","versionType":"git"},{"version":"5ff3f74e145adc79b49668adb8de276446acf6be","status":"affected","lessThan":"47a5e62f39875f371bded6e34ffb9cf15ccd813d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/dm-bufio.c","drivers/md/dm-integrity.c","drivers/md/dm-io.c","drivers/md/dm-kcopyd.c","drivers/md/dm-log.c","drivers/md/dm-raid1.c","drivers/md/dm-snap-persistent.c","drivers/md/dm-verity-target.c","drivers/md/dm-writecache.c","include/linux/dm-io.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","versionType":"semver"},{"version":"6.18.50","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.4","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","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-bufio.c","drivers/md/dm-integrity.c","drivers/md/dm-io.c","drivers/md/dm-kcopyd.c","drivers/md/dm-log.c","drivers/md/dm-raid1.c","drivers/md/dm-snap-persistent.c","drivers/md/dm-verity-target.c","drivers/md/dm-writecache.c","include/linux/dm-io.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/49694a363f7ecd5a52d1ea1a13c287ad6d196c35"},{"url":"https://git.kernel.org/stable/c/15fc1ec72e1f8089063d298550ada727e18f114a"},{"url":"https://git.kernel.org/stable/c/47a5e62f39875f371bded6e34ffb9cf15ccd813d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:49:10.301Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.18.50"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.2.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}