CVE-2026-98267

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98267", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.333Z", "datePublished": "2026-10-06T08:45:30.042Z", "dateUpdated": "2026-10-19T09:16:38.154Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:16:38.154Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\n9p: Fix v9fs_issue_write() to update i_size and remote_i_size\n\nFix v9fs_issue_write() to update i_size and remote_i_size to the new size\nof the server file if we made it larger, using the start fpos and the count\nreturned by p9_client_write() to calculate the new minimum file size.\n\nThis assumes that if the 9P server makes a short write (say it hits\nENOSPC), a reduced count is returned."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/9p/vfs_addr.c"], "versions": [{"version": "5fb70e7275a61dd404f684370e1add7fe0ebe9c5", "lessThan": "aeb1fe55583836744aef11fbfa2a09122aa9816c", "status": "affected", "versionType": "git"}, {"version": "5fb70e7275a61dd404f684370e1add7fe0ebe9c5", "lessThan": "88871ab548c1d7b11cde9b04063f3c1c6fbd7039", "status": "affected", "versionType": "git"}, {"version": "5fb70e7275a61dd404f684370e1add7fe0ebe9c5", "lessThan": "9cd92e3392bdd14568e9e44aec1ac05e1fcd62e5", "status": "affected", "versionType": "git"}, {"version": "5fb70e7275a61dd404f684370e1add7fe0ebe9c5", "lessThan": "c60ae98c5aa64021751b38ab1313b19d620bf640", "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/9p/vfs_addr.c"], "versions": [{"version": "6.10", "status": "affected"}, {"version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.112", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.54", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.8", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "6.10", "versionEndExcluding": "6.12.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.18.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "7.2.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/aeb1fe55583836744aef11fbfa2a09122aa9816c"}, {"url": "https://git.kernel.org/stable/c/88871ab548c1d7b11cde9b04063f3c1c6fbd7039"}, {"url": "https://git.kernel.org/stable/c/9cd92e3392bdd14568e9e44aec1ac05e1fcd62e5"}, {"url": "https://git.kernel.org/stable/c/c60ae98c5aa64021751b38ab1313b19d620bf640"}], "title": "9p: Fix v9fs_issue_write() to update i_size and remote_i_size", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/9p/vfs_addr.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "aeb1fe55583836744aef11fbfa2a09122aa9816c", "status": "affected", "version": "5fb70e7275a61dd404f684370e1add7fe0ebe9c5", "versionType": "git"}, {"lessThan": "88871ab548c1d7b11cde9b04063f3c1c6fbd7039", "status": "affected", "version": "5fb70e7275a61dd404f684370e1add7fe0ebe9c5", "versionType": "git"}, {"lessThan": "9cd92e3392bdd14568e9e44aec1ac05e1fcd62e5", "status": "affected", "version": "5fb70e7275a61dd404f684370e1add7fe0ebe9c5", "versionType": "git"}, {"lessThan": "c60ae98c5aa64021751b38ab1313b19d620bf640", "status": "affected", "version": "5fb70e7275a61dd404f684370e1add7fe0ebe9c5", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/9p/vfs_addr.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.10"}, {"lessThan": "6.10", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.112", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.54", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.8", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\n9p: Fix v9fs_issue_write() to update i_size and remote_i_size\n\nFix v9fs_issue_write() to update i_size and remote_i_size to the new size\nof the server file if we made it larger, using the start fpos and the count\nreturned by p9_client_write() to calculate the new minimum file size.\n\nThis assumes that if the 9P server makes a short write (say it hits\nENOSPC), a reduced count is returned."}], "id": "CVE-2026-98267", "lastModified": "2026-10-19T10:18:27.950", "metrics": {}, "published": "2026-10-06T09:18:16.093", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/88871ab548c1d7b11cde9b04063f3c1c6fbd7039"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9cd92e3392bdd14568e9e44aec1ac05e1fcd62e5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/aeb1fe55583836744aef11fbfa2a09122aa9816c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c60ae98c5aa64021751b38ab1313b19d620bf640"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: 9p: Fix v9fs_issue_write() to update i_size and remote_i_size", "id": "2546452", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2546452"}, "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-252", "details": ["In the Linux kernel, the following vulnerability has been resolved:\n9p: Fix v9fs_issue_write() to update i_size and remote_i_size\nFix v9fs_issue_write() to update i_size and remote_i_size to the new size\nof the server file if we made it larger, using the start fpos and the count\nreturned by p9_client_write() to calculate the new minimum file size.\nThis assumes that if the 9P server makes a short write (say it hits\nENOSPC), a reduced count is returned.", "A flaw was found in the Linux kernel's 9P file system implementation. When write operations extend a file, the kernel fails to update the recorded file size to reflect the new length. A local user performing write operations on a 9P mount can trigger this issue, leading to inconsistent file state tracking. This flaw can result in unexpected application errors or potential data corruption."], "name": "CVE-2026-98267", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not 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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98267\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98267\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98267.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5fb70e7275a61dd404f684370e1add7fe0ebe9c5,aeb1fe55583836744aef11fbfa2a09122aa9816c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5fb70e7275a61dd404f684370e1add7fe0ebe9c5,88871ab548c1d7b11cde9b04063f3c1c6fbd7039)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5fb70e7275a61dd404f684370e1add7fe0ebe9c5,9cd92e3392bdd14568e9e44aec1ac05e1fcd62e5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5fb70e7275a61dd404f684370e1add7fe0ebe9c5,c60ae98c5aa64021751b38ab1313b19d620bf640)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.10"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.10)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.112,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.54,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.8,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc4,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-10-06T15:15:14.648980+00:00", "updated": "2026-10-11T05:15:17.411027+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}