{"id":"CVE-2026-72082","state":"PUBLISHED","title":"scsi: elx: efct: Fix refcount leak in efct_hw_io_abort()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: elx: efct: Fix refcount leak in efct_hw_io_abort()\n\nWhen efct_hw_reqtag_alloc() fails in efct_hw_io_abort(), the error path\nreturns -ENOSPC without releasing the reference obtained via\nkref_get_unless_zero() earlier in the function. All other error paths\ncorrectly drop the reference. This causes a permanent reference leak on the\nio_to_abort object.\n\nAdditionally, the abort_in_progress flag is left set to true on this path,\nwhich means future abort attempts for the same I/O will immediately return\n-EINPROGRESS even though the abort was never submitted, effectively\nblocking recovery.\n\nFix this by adding the missing kref_put() call and reset abort_in_progress\nto false, matching the cleanup done in the efct_hw_wq_write() failure path\nbelow.","publishedAt":"2026-08-15T05:52:31.291Z","updatedAt":"2026-08-17T05:07:52.350Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"63de51327a64c74e85611a0161eaae71256a3b6d","status":"affected","lessThan":"cf97ea7b164a1881c7219f5222219c9d0fac4204","versionType":"git"},{"version":"63de51327a64c74e85611a0161eaae71256a3b6d","status":"affected","lessThan":"1c6e186c722cfa9a58ebe841f91ab2ddf8570cc7","versionType":"git"},{"version":"63de51327a64c74e85611a0161eaae71256a3b6d","status":"affected","lessThan":"62cf39a9770a6f29df59fd0edb0a05234a8b07f2","versionType":"git"},{"version":"63de51327a64c74e85611a0161eaae71256a3b6d","status":"affected","lessThan":"faa59add4808fbf92e7d15bfd8770d2682c2b953","versionType":"git"},{"version":"63de51327a64c74e85611a0161eaae71256a3b6d","status":"affected","lessThan":"9b871369cbb4532f6715e044d6b9c4ceb036e5b6","versionType":"git"},{"version":"63de51327a64c74e85611a0161eaae71256a3b6d","status":"affected","lessThan":"747eaead2db298abfda2aa505f6d03775b40fe5f","versionType":"git"},{"version":"63de51327a64c74e85611a0161eaae71256a3b6d","status":"affected","lessThan":"2c007acf7b31c39c08ce4959451ad00b19be4c1f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/elx/efct/efct_hw.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.14","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/elx/efct/efct_hw.c"]}],"references":["https://git.kernel.org/stable/c/cf97ea7b164a1881c7219f5222219c9d0fac4204","https://git.kernel.org/stable/c/1c6e186c722cfa9a58ebe841f91ab2ddf8570cc7","https://git.kernel.org/stable/c/62cf39a9770a6f29df59fd0edb0a05234a8b07f2","https://git.kernel.org/stable/c/faa59add4808fbf92e7d15bfd8770d2682c2b953","https://git.kernel.org/stable/c/9b871369cbb4532f6715e044d6b9c4ceb036e5b6","https://git.kernel.org/stable/c/747eaead2db298abfda2aa505f6d03775b40fe5f","https://git.kernel.org/stable/c/2c007acf7b31c39c08ce4959451ad00b19be4c1f"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/72xxx/CVE-2026-72082.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72082","state":"PUBLISHED","datePublished":"2026-08-15T05:52:31.291Z","dateUpdated":"2026-08-17T05:07:52.350Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-09T03:40:39.904Z"},"containers":{"cna":{"title":"scsi: elx: efct: Fix refcount leak in efct_hw_io_abort()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: elx: efct: Fix refcount leak in efct_hw_io_abort()\n\nWhen efct_hw_reqtag_alloc() fails in efct_hw_io_abort(), the error path\nreturns -ENOSPC without releasing the reference obtained via\nkref_get_unless_zero() earlier in the function. All other error paths\ncorrectly drop the reference. This causes a permanent reference leak on the\nio_to_abort object.\n\nAdditionally, the abort_in_progress flag is left set to true on this path,\nwhich means future abort attempts for the same I/O will immediately return\n-EINPROGRESS even though the abort was never submitted, effectively\nblocking recovery.\n\nFix this by adding the missing kref_put() call and reset abort_in_progress\nto false, matching the cleanup done in the efct_hw_wq_write() failure path\nbelow."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"63de51327a64c74e85611a0161eaae71256a3b6d","status":"affected","lessThan":"cf97ea7b164a1881c7219f5222219c9d0fac4204","versionType":"git"},{"version":"63de51327a64c74e85611a0161eaae71256a3b6d","status":"affected","lessThan":"1c6e186c722cfa9a58ebe841f91ab2ddf8570cc7","versionType":"git"},{"version":"63de51327a64c74e85611a0161eaae71256a3b6d","status":"affected","lessThan":"62cf39a9770a6f29df59fd0edb0a05234a8b07f2","versionType":"git"},{"version":"63de51327a64c74e85611a0161eaae71256a3b6d","status":"affected","lessThan":"faa59add4808fbf92e7d15bfd8770d2682c2b953","versionType":"git"},{"version":"63de51327a64c74e85611a0161eaae71256a3b6d","status":"affected","lessThan":"9b871369cbb4532f6715e044d6b9c4ceb036e5b6","versionType":"git"},{"version":"63de51327a64c74e85611a0161eaae71256a3b6d","status":"affected","lessThan":"747eaead2db298abfda2aa505f6d03775b40fe5f","versionType":"git"},{"version":"63de51327a64c74e85611a0161eaae71256a3b6d","status":"affected","lessThan":"2c007acf7b31c39c08ce4959451ad00b19be4c1f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/elx/efct/efct_hw.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.14","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/elx/efct/efct_hw.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/cf97ea7b164a1881c7219f5222219c9d0fac4204"},{"url":"https://git.kernel.org/stable/c/1c6e186c722cfa9a58ebe841f91ab2ddf8570cc7"},{"url":"https://git.kernel.org/stable/c/62cf39a9770a6f29df59fd0edb0a05234a8b07f2"},{"url":"https://git.kernel.org/stable/c/faa59add4808fbf92e7d15bfd8770d2682c2b953"},{"url":"https://git.kernel.org/stable/c/9b871369cbb4532f6715e044d6b9c4ceb036e5b6"},{"url":"https://git.kernel.org/stable/c/747eaead2db298abfda2aa505f6d03775b40fe5f"},{"url":"https://git.kernel.org/stable/c/2c007acf7b31c39c08ce4959451ad00b19be4c1f"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:07:52.350Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"5.15.212"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.1.178"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}