{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31693", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-03-09T15:48:24.131Z", "datePublished": "2026-04-30T11:47:01.230Z", "dateUpdated": "2026-05-01T13:47:53.806Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-01T13:47:53.806Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: some missing initializations on replay\n\nIn several places in the code, we have a label to signify\nthe start of the code where a request can be replayed if\nnecessary. However, some of these places were missing the\nnecessary reinitializations of certain local variables\nbefore replay.\n\nThis change makes sure that these variables get initialized\nafter the label."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/smb/client/smb2ops.c", "fs/smb/client/smb2pdu.c"], "versions": [{"version": "433042a91f9373241307725b52de573933ffedbf", "lessThan": "c854ab481ece4b3e5f4c2e8b22824f015ff874a5", "status": "affected", "versionType": "git"}, {"version": "4f1fffa2376922f3d1d506e49c0fd445b023a28e", "lessThan": "1d731e512134495e0ef490ade0e4d91dc0d515ec", "status": "affected", "versionType": "git"}, {"version": "4f1fffa2376922f3d1d506e49c0fd445b023a28e", "lessThan": "7c9ce68192eef14c777cb6ce17155d2eb2431aea", "status": "affected", "versionType": "git"}, {"version": "4f1fffa2376922f3d1d506e49c0fd445b023a28e", "lessThan": "c99e160938b627f6f28edee930e8abc157e84386", "status": "affected", "versionType": "git"}, {"version": "4f1fffa2376922f3d1d506e49c0fd445b023a28e", "lessThan": "14f66f44646333d2bfd7ece36585874fd72f8286", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/smb/client/smb2ops.c", "fs/smb/client/smb2pdu.c"], "versions": [{"version": "6.8", "status": "affected"}, {"version": "0", "lessThan": "6.8", "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": "6.18.16", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.6", "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": "6.6.32", "versionEndExcluding": "6.6.128"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.18.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.19.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c854ab481ece4b3e5f4c2e8b22824f015ff874a5"}, {"url": "https://git.kernel.org/stable/c/1d731e512134495e0ef490ade0e4d91dc0d515ec"}, {"url": "https://git.kernel.org/stable/c/7c9ce68192eef14c777cb6ce17155d2eb2431aea"}, {"url": "https://git.kernel.org/stable/c/c99e160938b627f6f28edee930e8abc157e84386"}, {"url": "https://git.kernel.org/stable/c/14f66f44646333d2bfd7ece36585874fd72f8286"}], "title": "cifs: some missing initializations on replay", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: some missing initializations on replay\n\nIn several places in the code, we have a label to signify\nthe start of the code where a request can be replayed if\nnecessary. However, some of these places were missing the\nnecessary reinitializations of certain local variables\nbefore replay.\n\nThis change makes sure that these variables get initialized\nafter the label."}], "id": "CVE-2026-31693", "lastModified": "2026-04-30T17:11:25.563", "metrics": {}, "published": "2026-04-30T12:16:24.103", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/14f66f44646333d2bfd7ece36585874fd72f8286"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1d731e512134495e0ef490ade0e4d91dc0d515ec"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7c9ce68192eef14c777cb6ce17155d2eb2431aea"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c854ab481ece4b3e5f4c2e8b22824f015ff874a5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c99e160938b627f6f28edee930e8abc157e84386"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: cifs: some missing initializations on replay", "id": "2464108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464108"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-909", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncifs: some missing initializations on replay\nIn several places in the code, we have a label to signify\nthe start of the code where a request can be replayed if\nnecessary. However, some of these places were missing the\nnecessary reinitializations of certain local variables\nbefore replay.\nThis change makes sure that these variables get initialized\nafter the label.", "A flaw was found in the Linux kernel's Common Internet File System (cifs) component. This vulnerability occurs when certain local variables are not properly reinitialized during the replay of a request. This oversight can lead to unexpected system behavior or instability, potentially resulting in a denial of service (DoS)."], "name": "CVE-2026-31693", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-31693\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-31693\nhttps://lore.kernel.org/linux-cve-announce/2026043004-CVE-2026-31693-f964@gregkh/T"], "threat_severity": "Moderate"}