{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-99267", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.404Z", "datePublished": "2026-11-03T11:48:17.478Z", "dateUpdated": "2026-11-03T11:48:17.478Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-11-03T11:48:17.478Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/napi: make stale entries time out after 60s\n\nWith dynamic tracking a NAPI id that hasn't been seen for a minute is\nmeant to be dropped from the list the ring busy polls. The timeout is\nadded to jiffies, but it is defined as 60 * SEC_CONVERSION, and\nSEC_CONVERSION isn't the number of jiffies in a second. It is the\ninternal factor of __timespec64_to_jiffies(), HZ scaled up by\nSEC_JIFFIE_SC bits. For HZ=1000 that is 1000 << 22, which puts the\ntimeout at about eight years. On 32-bit the multiplication overflows.\n\nSo entries are never removed, and every id that a socket of the ring\never had keeps being polled on each wait."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["io_uring/napi.c"], "versions": [{"version": "8d0c12a80cdeb80d5e0510e96d38fe551ed8e9b5", "lessThan": "3fe820cf35f83534eab72ea73f1a83cfd3cd8079", "status": "affected", "versionType": "git"}, {"version": "8d0c12a80cdeb80d5e0510e96d38fe551ed8e9b5", "lessThan": "18c373f446068972788158c8c7de6e849b04ed98", "status": "affected", "versionType": "git"}, {"version": "8d0c12a80cdeb80d5e0510e96d38fe551ed8e9b5", "lessThan": "981621d6eadcd232d4ea748aaeb046337f10d3c1", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["io_uring/napi.c"], "versions": [{"version": "6.9", "status": "affected"}, {"version": "0", "lessThan": "6.9", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.115", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.60", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.14", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.12.115"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.18.60"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "7.2.14"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3fe820cf35f83534eab72ea73f1a83cfd3cd8079"}, {"url": "https://git.kernel.org/stable/c/18c373f446068972788158c8c7de6e849b04ed98"}, {"url": "https://git.kernel.org/stable/c/981621d6eadcd232d4ea748aaeb046337f10d3c1"}], "title": "io_uring/napi: make stale entries time out after 60s", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["io_uring/napi.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "3fe820cf35f83534eab72ea73f1a83cfd3cd8079", "status": "affected", "version": "8d0c12a80cdeb80d5e0510e96d38fe551ed8e9b5", "versionType": "git"}, {"lessThan": "18c373f446068972788158c8c7de6e849b04ed98", "status": "affected", "version": "8d0c12a80cdeb80d5e0510e96d38fe551ed8e9b5", "versionType": "git"}, {"lessThan": "981621d6eadcd232d4ea748aaeb046337f10d3c1", "status": "affected", "version": "8d0c12a80cdeb80d5e0510e96d38fe551ed8e9b5", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["io_uring/napi.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.9"}, {"lessThan": "6.9", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.115", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.60", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.14", "versionType": "semver"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/napi: make stale entries time out after 60s\n\nWith dynamic tracking a NAPI id that hasn't been seen for a minute is\nmeant to be dropped from the list the ring busy polls. The timeout is\nadded to jiffies, but it is defined as 60 * SEC_CONVERSION, and\nSEC_CONVERSION isn't the number of jiffies in a second. It is the\ninternal factor of __timespec64_to_jiffies(), HZ scaled up by\nSEC_JIFFIE_SC bits. For HZ=1000 that is 1000 << 22, which puts the\ntimeout at about eight years. On 32-bit the multiplication overflows.\n\nSo entries are never removed, and every id that a socket of the ring\never had keeps being polled on each wait."}], "id": "CVE-2026-99267", "lastModified": "2026-11-03T12:17:33.860", "metrics": {}, "published": "2026-11-03T12:17:33.860", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/18c373f446068972788158c8c7de6e849b04ed98"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3fe820cf35f83534eab72ea73f1a83cfd3cd8079"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/981621d6eadcd232d4ea748aaeb046337f10d3c1"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

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