CVE-2022-49685 (GCVE-0-2022-49685)
Vulnerability from cvelistv5
Published
2025-02-26 02:24
Modified
2025-05-04 08:43
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: iio: trigger: sysfs: fix use-after-free on remove Ensure that the irq_work has completed before the trigger is freed. ================================================================== BUG: KASAN: use-after-free in irq_work_run_list Read of size 8 at addr 0000000064702248 by task python3/25 Call Trace: irq_work_run_list irq_work_tick update_process_times tick_sched_handle tick_sched_timer __hrtimer_run_queues hrtimer_interrupt Allocated by task 25: kmem_cache_alloc_trace iio_sysfs_trig_add dev_attr_store sysfs_kf_write kernfs_fop_write_iter new_sync_write vfs_write ksys_write sys_write Freed by task 25: kfree iio_sysfs_trig_remove dev_attr_store sysfs_kf_write kernfs_fop_write_iter new_sync_write vfs_write ksys_write sys_write ==================================================================
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/31ff3309b47d98313c61b8301bf595820cc3cc33Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4687c3f955240ca2a576bdc3f742d4d915b6272dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4ef1e521be610b720daeb7cf899fedc7db0274c4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5e39397d60dacc7f5d81d442c1c958eaaaf31128Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/78601726d4a59a291acc5a52da1d3a0a6831e4e8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b07a30a774b3c3e584a68dc91779c68ea2da4813Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d6111e7bdb8ec27eb43d01c4cd4ff1620a75f7f2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fd5d8fb298a2866c337da635c79d63c3afabcaf7Patch
Impacted products
Vendor Product Version
Linux Linux Version: f38bc926d022ebd67baad6ac7fc22c95fbc6238c
Version: f38bc926d022ebd67baad6ac7fc22c95fbc6238c
Version: f38bc926d022ebd67baad6ac7fc22c95fbc6238c
Version: f38bc926d022ebd67baad6ac7fc22c95fbc6238c
Version: f38bc926d022ebd67baad6ac7fc22c95fbc6238c
Version: f38bc926d022ebd67baad6ac7fc22c95fbc6238c
Version: f38bc926d022ebd67baad6ac7fc22c95fbc6238c
Version: f38bc926d022ebd67baad6ac7fc22c95fbc6238c
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   Linux Linux Version: 3.7
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    "vulnrichment": {
      "containers": "{\"cna\": {\"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-02-26T02:24:12.143Z\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\niio: trigger: sysfs: fix use-after-free on remove\\n\\nEnsure that the irq_work has completed before the trigger is freed.\\n\\n ==================================================================\\n BUG: KASAN: use-after-free in irq_work_run_list\\n Read of size 8 at addr 0000000064702248 by task python3/25\\n\\n Call Trace:\\n  irq_work_run_list\\n  irq_work_tick\\n  update_process_times\\n  tick_sched_handle\\n  tick_sched_timer\\n  __hrtimer_run_queues\\n  hrtimer_interrupt\\n\\n Allocated by task 25:\\n  kmem_cache_alloc_trace\\n  iio_sysfs_trig_add\\n  dev_attr_store\\n  sysfs_kf_write\\n  kernfs_fop_write_iter\\n  new_sync_write\\n  vfs_write\\n  ksys_write\\n  sys_write\\n\\n Freed by task 25:\\n  kfree\\n  iio_sysfs_trig_remove\\n  dev_attr_store\\n  sysfs_kf_write\\n  kernfs_fop_write_iter\\n  new_sync_write\\n  vfs_write\\n  ksys_write\\n  sys_write\\n\\n ==================================================================\"}], \"affected\": [{\"product\": \"Linux\", \"vendor\": \"Linux\", \"defaultStatus\": \"unaffected\", \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"programFiles\": [\"drivers/iio/trigger/iio-trig-sysfs.c\"], \"versions\": [{\"version\": \"f38bc926d022ebd67baad6ac7fc22c95fbc6238c\", \"lessThan\": \"d6111e7bdb8ec27eb43d01c4cd4ff1620a75f7f2\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"f38bc926d022ebd67baad6ac7fc22c95fbc6238c\", \"lessThan\": \"fd5d8fb298a2866c337da635c79d63c3afabcaf7\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"f38bc926d022ebd67baad6ac7fc22c95fbc6238c\", \"lessThan\": \"31ff3309b47d98313c61b8301bf595820cc3cc33\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"f38bc926d022ebd67baad6ac7fc22c95fbc6238c\", \"lessThan\": \"5e39397d60dacc7f5d81d442c1c958eaaaf31128\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"f38bc926d022ebd67baad6ac7fc22c95fbc6238c\", \"lessThan\": \"b07a30a774b3c3e584a68dc91779c68ea2da4813\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"f38bc926d022ebd67baad6ac7fc22c95fbc6238c\", \"lessThan\": \"4687c3f955240ca2a576bdc3f742d4d915b6272d\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"f38bc926d022ebd67baad6ac7fc22c95fbc6238c\", \"lessThan\": \"4ef1e521be610b720daeb7cf899fedc7db0274c4\", \"status\": \"affected\", \"versionType\": \"git\"}, {\"version\": \"f38bc926d022ebd67baad6ac7fc22c95fbc6238c\", \"lessThan\": \"78601726d4a59a291acc5a52da1d3a0a6831e4e8\", \"status\": \"affected\", \"versionType\": \"git\"}]}, {\"product\": \"Linux\", \"vendor\": \"Linux\", \"defaultStatus\": \"affected\", \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"programFiles\": [\"drivers/iio/trigger/iio-trig-sysfs.c\"], \"versions\": [{\"version\": \"3.7\", \"status\": \"affected\"}, {\"version\": \"0\", \"lessThan\": \"3.7\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"4.9.321\", \"lessThanOrEqual\": \"4.9.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"4.14.286\", \"lessThanOrEqual\": \"4.14.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"4.19.250\", \"lessThanOrEqual\": \"4.19.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.4.202\", \"lessThanOrEqual\": \"5.4.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.10.127\", \"lessThanOrEqual\": \"5.10.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.15.51\", \"lessThanOrEqual\": \"5.15.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.18.8\", \"lessThanOrEqual\": \"5.18.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.19\", \"lessThanOrEqual\": \"*\", \"status\": \"unaffected\", \"versionType\": \"original_commit_for_fix\"}]}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/d6111e7bdb8ec27eb43d01c4cd4ff1620a75f7f2\"}, {\"url\": \"https://git.kernel.org/stable/c/fd5d8fb298a2866c337da635c79d63c3afabcaf7\"}, {\"url\": \"https://git.kernel.org/stable/c/31ff3309b47d98313c61b8301bf595820cc3cc33\"}, {\"url\": \"https://git.kernel.org/stable/c/5e39397d60dacc7f5d81d442c1c958eaaaf31128\"}, {\"url\": \"https://git.kernel.org/stable/c/b07a30a774b3c3e584a68dc91779c68ea2da4813\"}, {\"url\": \"https://git.kernel.org/stable/c/4687c3f955240ca2a576bdc3f742d4d915b6272d\"}, {\"url\": \"https://git.kernel.org/stable/c/4ef1e521be610b720daeb7cf899fedc7db0274c4\"}, {\"url\": \"https://git.kernel.org/stable/c/78601726d4a59a291acc5a52da1d3a0a6831e4e8\"}], \"title\": \"iio: trigger: sysfs: fix use-after-free on remove\", \"x_generator\": {\"engine\": \"bippy-5f407fcff5a0\"}}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-49685\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-27T18:15:09.914625Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-416\", \"description\": \"CWE-416 Use After Free\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-27T18:15:11.167Z\"}}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49685\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"Linux\", \"dateReserved\": \"2025-02-26T02:21:30.441Z\", \"datePublished\": \"2025-02-26T02:24:12.143Z\", \"dateUpdated\": \"2025-02-27T18:22:31.102Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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