255 lines
13 KiB
JSON
255 lines
13 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-2026-97619",
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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": "2026-09-24T16:01:01.159Z",
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"datePublished": "2026-09-25T10:22:25.644Z",
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"dateUpdated": "2026-10-30T12:37:40.339Z"
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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": "2026-10-30T12:37:40.339Z"
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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\nio_uring/rw: end write accounting from ->ki_complete\n\nCommit b000145e9907 moved both the fsnotify calls and the write\naccounting out of the kiocb completion handler and into the\nio_req_rw_complete() task_work. However, only the fsnotify part actually\nneeded to move as it may sleep. Ending the write accounting is just a\npercpu_up_read() on the superblock writers sem.\n\nDeferring it is a problem, because it makes dropping SB_FREEZE_WRITE\nprotection depend on the ring owner getting to running task_work. But\nthe task may be blocked in freeze_super(), causing it to never get to\nthat:\n\n task io-wq worker\n --------------------------------------------------------------\n io_write()\n io_kiocb_start_write() (takes sb_writers, hidden from\n lockdep by __sb_writers_release)\n write_iter() -> -EIOCBQUEUED\n ioctl(FS_IOC_SHUTDOWN)\n bdev_freeze()\n freeze_super()\n percpu_down_write() <- waits for the reader above\n io_write()\n kiocb_start_write()\n percpu_down_read() <- queued\n behind the\n writer\n <bio completes>\n io_complete_rw()\n queues io_req_rw_complete() <- never runs, task is in D state\n\nEnd the write from io_complete_rw() instead, and leave only the fsnotify\ncalls in task_work."
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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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"io_uring/rw.c"
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],
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"versions": [
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{
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"version": "ea2e6286e3e89a115ae554e20ba9aec2b2e1ddff",
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"lessThan": "aa4a3bec32ffe20ba1044db8211140edf7637310",
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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": "89a410dbd0f159ddd308f19d6eb682fc753e4771",
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"lessThan": "16840e3478c72ebbf093c52cbdcd8a1f12fad692",
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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": "b000145e9907809406d8164c3b2b8861d95aecd1",
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"lessThan": "ed1cead97afb9c398bd7ab344a3c1ee34ab73af9",
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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": "b000145e9907809406d8164c3b2b8861d95aecd1",
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"lessThan": "696459029f3b65c070c91b729478475582f1dcdf",
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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": "b000145e9907809406d8164c3b2b8861d95aecd1",
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"lessThan": "cc580cee4dfa2ec9099c30ecbd4d804cbb996432",
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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": "b000145e9907809406d8164c3b2b8861d95aecd1",
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"lessThan": "055d43a1233edbd80e558889258105ce63051bcd",
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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": "b000145e9907809406d8164c3b2b8861d95aecd1",
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"lessThan": "796aa0547557e63338657ed1c487906f9fac4c73",
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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": "2a853c206e553dd9c0a55c22858fd6a446d93e15",
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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": "5.10.165",
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"lessThan": "5.10.273",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.15.90",
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"lessThan": "5.15.224",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.0.3",
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"lessThan": "6.1",
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"status": "affected",
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"versionType": "semver"
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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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"io_uring/rw.c"
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],
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"versions": [
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{
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"version": "6.1",
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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": "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": "5.10.273",
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"lessThanOrEqual": "5.10.*",
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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": "5.15.224",
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"lessThanOrEqual": "5.15.*",
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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": "6.12.112",
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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": "6.18.53",
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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": "7.2.7",
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"lessThanOrEqual": "7.2.*",
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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": "7.3",
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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": "5.10.165",
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"versionEndExcluding": "5.10.273"
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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": "5.15.90",
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"versionEndExcluding": "5.15.224"
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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": "6.1",
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"versionEndExcluding": "6.6.160"
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.1",
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"versionEndExcluding": "6.12.112"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.1",
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{
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"versionStartIncluding": "6.1",
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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": "6.1",
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"versionEndExcluding": "7.3"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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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/aa4a3bec32ffe20ba1044db8211140edf7637310"
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},
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{
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"url": "https://git.kernel.org/stable/c/16840e3478c72ebbf093c52cbdcd8a1f12fad692"
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},
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{
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"url": "https://git.kernel.org/stable/c/ed1cead97afb9c398bd7ab344a3c1ee34ab73af9"
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},
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{
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"url": "https://git.kernel.org/stable/c/696459029f3b65c070c91b729478475582f1dcdf"
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},
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{
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"url": "https://git.kernel.org/stable/c/cc580cee4dfa2ec9099c30ecbd4d804cbb996432"
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},
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{
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"url": "https://git.kernel.org/stable/c/055d43a1233edbd80e558889258105ce63051bcd"
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},
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{
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"url": "https://git.kernel.org/stable/c/796aa0547557e63338657ed1c487906f9fac4c73"
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}
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],
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"title": "io_uring/rw: end write accounting from ->ki_complete",
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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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} |