206 lines
9.9 KiB
JSON
206 lines
9.9 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-74386",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-08-15T05:44:03.890Z",
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"datePublished": "2026-08-15T05:59:01.786Z",
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"dateUpdated": "2026-10-30T12:29:52.129Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-10-30T12:29:52.129Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet-tcp: fix page fragment cache leak in error path\n\nIn nvmet_tcp_alloc_queue(), when a connection is closed during the\nallocation process (e.g., nvmet_tcp_set_queue_sock() returns -ENOTCONN),\nthe error handling jumps to out_destroy_sq and then to out_ida_remove\nwithout draining the page fragment cache.\n\nAlthough nvmet_tcp_free_cmd() is called in some error paths to release\nindividual page fragments, the underlying page cache reference held by\nqueue->pf_cache is never released. The first allocation using pf_cache\nis the call to nvmet_tcp_alloc_cmd() for queue->connect, which happens\nafter ida_alloc() returns successfully. This results in a page leak each\ntime a connection fails during allocation, which could lead to memory\nexhaustion over time if connections are repeatedly opened and closed.\n\nFix this by calling page_frag_cache_drain() before freeing the queue\nstructure in the out_ida_remove label."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/nvme/target/tcp.c"
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],
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"versions": [
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{
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"version": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
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"lessThan": "aadb8eb9006e192c51b499860f40765de7d55680",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
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"lessThan": "fc11e3f0daaadb6e600a86e54b089d4662d0a464",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
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"lessThan": "a43a9abc1ebf663f0aa56a729106f68dd9c77da6",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
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"lessThan": "ba3209704b3cd46961e4e081af5c52a780785648",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
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"lessThan": "5fbe83a374f09561a0f0c1f4aa021501ffd681eb",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
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"lessThan": "4dae393956093c807212918fd91a8fc70df15338",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/nvme/target/tcp.c"
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],
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"versions": [
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{
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"version": "5.0",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "5.0",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.191",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.160",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.97",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.40",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.1.5",
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"lessThanOrEqual": "7.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.2",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.0",
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"versionEndExcluding": "6.1.191"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.0",
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"versionEndExcluding": "6.6.160"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.0",
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"versionEndExcluding": "6.12.97"
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.0",
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"versionEndExcluding": "6.18.40"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.0",
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"versionEndExcluding": "7.1.5"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.0",
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"versionEndExcluding": "7.2"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/aadb8eb9006e192c51b499860f40765de7d55680"
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},
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{
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"url": "https://git.kernel.org/stable/c/fc11e3f0daaadb6e600a86e54b089d4662d0a464"
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},
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{
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"url": "https://git.kernel.org/stable/c/a43a9abc1ebf663f0aa56a729106f68dd9c77da6"
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},
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{
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"url": "https://git.kernel.org/stable/c/ba3209704b3cd46961e4e081af5c52a780785648"
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},
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{
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"url": "https://git.kernel.org/stable/c/5fbe83a374f09561a0f0c1f4aa021501ffd681eb"
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},
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{
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"url": "https://git.kernel.org/stable/c/4dae393956093c807212918fd91a8fc70df15338"
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}
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],
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"title": "nvmet-tcp: fix page fragment cache leak in error path",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |