CVE-2024-38384 (GCVE-0-2024-38384)

Vulnerability from cvelistv5 – Published: 2024-06-24 13:50 – Updated: 2026-05-11 20:18
VLAI
Title
blk-cgroup: fix list corruption from reorder of WRITE ->lqueued
Summary
In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix list corruption from reorder of WRITE ->lqueued __blkcg_rstat_flush() can be run anytime, especially when blk_cgroup_bio_start is being executed. If WRITE of `->lqueued` is re-ordered with READ of 'bisc->lnode.next' in the loop of __blkcg_rstat_flush(), `next_bisc` can be assigned with one stat instance being added in blk_cgroup_bio_start(), then the local list in __blkcg_rstat_flush() could be corrupted. Fix the issue by adding one barrier.
Severity
8.4 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 3b8cc6298724021da845f2f9fd7dd4b6829a6817 , < 714e59b5456e4d6e4295a9968c564abe193f461c (git)
Affected: 3b8cc6298724021da845f2f9fd7dd4b6829a6817 , < 785298ab6b802afa75089239266b6bbea590809c (git)
Affected: 3b8cc6298724021da845f2f9fd7dd4b6829a6817 , < d0aac2363549e12cc79b8e285f13d5a9f42fd08e (git)
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Linux Linux Affected: 6.2
Unaffected: 0 , < 6.2 (semver)
Unaffected: 6.6.33 , ≤ 6.6.* (semver)
Unaffected: 6.9.4 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
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linux linux_kernel Affected: 3b8cc6298724 , < 714e59b5456e (custom)
    cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
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linux linux_kernel Affected: 3b8cc6298724 , < 785298ab6b80 (custom)
    cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
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linux linux_kernel Affected: 3b8cc6298724 , < d0aac2363549 (custom)
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
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linux linux_kernel Affected: 6.2
    cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
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linux linux_kernel Unaffected: 0 , < 6.2 (custom)
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
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linux linux_kernel Unaffected: 6.6.33 , ≤ 6.7 (custom)
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
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linux linux_kernel Unaffected: 6.9.4 , ≤ 6.10 (custom)
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
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linux linux_kernel Unaffected: 6.10-rc1
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
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\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"3b8cc6298724\", \"lessThan\": \"714e59b5456e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"3b8cc6298724\", \"lessThan\": \"785298ab6b80\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"3b8cc6298724\", \"lessThan\": \"d0aac2363549\", \"versionType\": \"git\"}], \"programFiles\": [\"block/blk-cgroup.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.2\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.2\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.6.33\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9.4\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.9.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"block/blk-cgroup.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/714e59b5456e4d6e4295a9968c564abe193f461c\"}, {\"url\": \"https://git.kernel.org/stable/c/785298ab6b802afa75089239266b6bbea590809c\"}, {\"url\": \"https://git.kernel.org/stable/c/d0aac2363549e12cc79b8e285f13d5a9f42fd08e\"}], \"x_generator\": {\"engine\": \"bippy-9e1c9544281a\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nblk-cgroup: fix list corruption from reorder of WRITE -\u003elqueued\\n\\n__blkcg_rstat_flush() can be run anytime, especially when blk_cgroup_bio_start\\nis being executed.\\n\\nIf WRITE of `-\u003elqueued` is re-ordered with READ of \u0027bisc-\u003elnode.next\u0027 in\\nthe loop of __blkcg_rstat_flush(), `next_bisc` can be assigned with one\\nstat instance being added in blk_cgroup_bio_start(), then the local\\nlist in __blkcg_rstat_flush() could be corrupted.\\n\\nFix the issue by adding one barrier.\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-11-05T09:29:23.958Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-38384\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-11-05T09:29:23.958Z\", \"dateReserved\": \"2024-06-21T11:16:40.612Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-06-24T13:50:51.033Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.