{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45857", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.079Z", "datePublished": "2026-05-27T12:15:35.967Z", "dateUpdated": "2026-05-27T12:15:35.967Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:15:35.967Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/scsi/csiostor/csio_scsi.c"], "versions": [{"version": "a3667aaed5698b84bad2f1b3f71adc86499f4bc6", "lessThan": "16ccbfddcb32365138c806cf572e69b42a193c5c", "status": "affected", "versionType": "git"}, {"version": "a3667aaed5698b84bad2f1b3f71adc86499f4bc6", "lessThan": "44ef9f81392de885883f73b9f5c43936a82ae9d7", "status": "affected", "versionType": "git"}, {"version": "a3667aaed5698b84bad2f1b3f71adc86499f4bc6", "lessThan": "526ea3c0ccd495b0079db3e28fdddd51c1bf01f7", "status": "affected", "versionType": "git"}, {"version": "a3667aaed5698b84bad2f1b3f71adc86499f4bc6", "lessThan": "25d623f0d77c11a256a54e860d00c239aa9a2583", "status": "affected", "versionType": "git"}, {"version": "a3667aaed5698b84bad2f1b3f71adc86499f4bc6", "lessThan": "6037124dbf675fbd0a6248aaf04cf07387b8c323", "status": "affected", "versionType": "git"}, {"version": "a3667aaed5698b84bad2f1b3f71adc86499f4bc6", "lessThan": "25ab5e97d3c5f3ed594b4a65d1cc99dc24756681", "status": "affected", "versionType": "git"}, {"version": "a3667aaed5698b84bad2f1b3f71adc86499f4bc6", "lessThan": "3bbbab7b6949c76df64210348adbefedaabbf549", "status": "affected", "versionType": "git"}, {"version": "a3667aaed5698b84bad2f1b3f71adc86499f4bc6", "lessThan": "1982257570b84dc33753d536dd969fd357a014e9", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/scsi/csiostor/csio_scsi.c"], "versions": [{"version": "3.8", "status": "affected"}, {"version": "0", "lessThan": "3.8", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.252", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.202", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.165", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.128", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.14", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.4", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "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"}]}]}], "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"}], "title": "scsi: csiostor: Fix dereference of null pointer rn", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"cveTags": [], "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."}], "id": "CVE-2026-45857", "lastModified": "2026-05-27T14:48:31.480", "metrics": {}, "published": "2026-05-27T14:16:57.793", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/16ccbfddcb32365138c806cf572e69b42a193c5c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1982257570b84dc33753d536dd969fd357a014e9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/25ab5e97d3c5f3ed594b4a65d1cc99dc24756681"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/25d623f0d77c11a256a54e860d00c239aa9a2583"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3bbbab7b6949c76df64210348adbefedaabbf549"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/44ef9f81392de885883f73b9f5c43936a82ae9d7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/526ea3c0ccd495b0079db3e28fdddd51c1bf01f7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6037124dbf675fbd0a6248aaf04cf07387b8c323"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: scsi: csiostor: Fix dereference of null pointer rn", "id": "2482187", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482187"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["A flaw was found in the Linux kernel's `scsi: csiostor` module. This null pointer dereference vulnerability occurs in an error handling path. A local attacker could exploit this to cause a system crash, leading to a Denial of Service (DoS)."], "name": "CVE-2026-45857", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-45857\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-45857\nhttps://lore.kernel.org/linux-cve-announce/2026052709-CVE-2026-45857-0a4f@gregkh/T"], "threat_severity": "Moderate"}

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