{"id":"CVE-2026-45857","state":"PUBLISHED","title":"scsi: csiostor: Fix dereference of null pointer rn","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: csiostor: Fix dereference of null pointer rn\n\nThe error exit path when rn is NULL ends up deferencing the null pointer rn\nvia the use of the macro CSIO_INC_STATS. Fix this by adding a new error\nreturn path label after the use of the macro to avoid the deference.","publishedAt":"2026-05-27T12:15:35.967Z","updatedAt":"2026-05-27T12:15:35.967Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a3667aaed5698b84bad2f1b3f71adc86499f4bc6","status":"affected","lessThan":"16ccbfddcb32365138c806cf572e69b42a193c5c","versionType":"git"},{"version":"a3667aaed5698b84bad2f1b3f71adc86499f4bc6","status":"affected","lessThan":"44ef9f81392de885883f73b9f5c43936a82ae9d7","versionType":"git"},{"version":"a3667aaed5698b84bad2f1b3f71adc86499f4bc6","status":"affected","lessThan":"526ea3c0ccd495b0079db3e28fdddd51c1bf01f7","versionType":"git"},{"version":"a3667aaed5698b84bad2f1b3f71adc86499f4bc6","status":"affected","lessThan":"25d623f0d77c11a256a54e860d00c239aa9a2583","versionType":"git"},{"version":"a3667aaed5698b84bad2f1b3f71adc86499f4bc6","status":"affected","lessThan":"6037124dbf675fbd0a6248aaf04cf07387b8c323","versionType":"git"},{"version":"a3667aaed5698b84bad2f1b3f71adc86499f4bc6","status":"affected","lessThan":"25ab5e97d3c5f3ed594b4a65d1cc99dc24756681","versionType":"git"},{"version":"a3667aaed5698b84bad2f1b3f71adc86499f4bc6","status":"affected","lessThan":"3bbbab7b6949c76df64210348adbefedaabbf549","versionType":"git"},{"version":"a3667aaed5698b84bad2f1b3f71adc86499f4bc6","status":"affected","lessThan":"1982257570b84dc33753d536dd969fd357a014e9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/csiostor/csio_scsi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.8","versionType":"semver"},{"version":"5.10.252","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.202","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.165","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.14","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/csiostor/csio_scsi.c"]}],"references":["https://git.kernel.org/stable/c/16ccbfddcb32365138c806cf572e69b42a193c5c","https://git.kernel.org/stable/c/44ef9f81392de885883f73b9f5c43936a82ae9d7","https://git.kernel.org/stable/c/526ea3c0ccd495b0079db3e28fdddd51c1bf01f7","https://git.kernel.org/stable/c/25d623f0d77c11a256a54e860d00c239aa9a2583","https://git.kernel.org/stable/c/6037124dbf675fbd0a6248aaf04cf07387b8c323","https://git.kernel.org/stable/c/25ab5e97d3c5f3ed594b4a65d1cc99dc24756681","https://git.kernel.org/stable/c/3bbbab7b6949c76df64210348adbefedaabbf549","https://git.kernel.org/stable/c/1982257570b84dc33753d536dd969fd357a014e9"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/45xxx/CVE-2026-45857.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45857","state":"PUBLISHED","datePublished":"2026-05-27T12:15:35.967Z","dateUpdated":"2026-05-27T12:15:35.967Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.079Z"},"containers":{"cna":{"title":"scsi: csiostor: Fix dereference of null pointer rn","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: csiostor: Fix dereference of null pointer rn\n\nThe error exit path when rn is NULL ends up deferencing the null pointer rn\nvia the use of the macro CSIO_INC_STATS. Fix this by adding a new error\nreturn path label after the use of the macro to avoid the deference."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a3667aaed5698b84bad2f1b3f71adc86499f4bc6","status":"affected","lessThan":"16ccbfddcb32365138c806cf572e69b42a193c5c","versionType":"git"},{"version":"a3667aaed5698b84bad2f1b3f71adc86499f4bc6","status":"affected","lessThan":"44ef9f81392de885883f73b9f5c43936a82ae9d7","versionType":"git"},{"version":"a3667aaed5698b84bad2f1b3f71adc86499f4bc6","status":"affected","lessThan":"526ea3c0ccd495b0079db3e28fdddd51c1bf01f7","versionType":"git"},{"version":"a3667aaed5698b84bad2f1b3f71adc86499f4bc6","status":"affected","lessThan":"25d623f0d77c11a256a54e860d00c239aa9a2583","versionType":"git"},{"version":"a3667aaed5698b84bad2f1b3f71adc86499f4bc6","status":"affected","lessThan":"6037124dbf675fbd0a6248aaf04cf07387b8c323","versionType":"git"},{"version":"a3667aaed5698b84bad2f1b3f71adc86499f4bc6","status":"affected","lessThan":"25ab5e97d3c5f3ed594b4a65d1cc99dc24756681","versionType":"git"},{"version":"a3667aaed5698b84bad2f1b3f71adc86499f4bc6","status":"affected","lessThan":"3bbbab7b6949c76df64210348adbefedaabbf549","versionType":"git"},{"version":"a3667aaed5698b84bad2f1b3f71adc86499f4bc6","status":"affected","lessThan":"1982257570b84dc33753d536dd969fd357a014e9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/csiostor/csio_scsi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.8","versionType":"semver"},{"version":"5.10.252","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.202","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.165","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.14","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/csiostor/csio_scsi.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/16ccbfddcb32365138c806cf572e69b42a193c5c"},{"url":"https://git.kernel.org/stable/c/44ef9f81392de885883f73b9f5c43936a82ae9d7"},{"url":"https://git.kernel.org/stable/c/526ea3c0ccd495b0079db3e28fdddd51c1bf01f7"},{"url":"https://git.kernel.org/stable/c/25d623f0d77c11a256a54e860d00c239aa9a2583"},{"url":"https://git.kernel.org/stable/c/6037124dbf675fbd0a6248aaf04cf07387b8c323"},{"url":"https://git.kernel.org/stable/c/25ab5e97d3c5f3ed594b4a65d1cc99dc24756681"},{"url":"https://git.kernel.org/stable/c/3bbbab7b6949c76df64210348adbefedaabbf549"},{"url":"https://git.kernel.org/stable/c/1982257570b84dc33753d536dd969fd357a014e9"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-27T12:15:35.967Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"5.10.252"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"5.15.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.1.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.18.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}