CVE-2021-47354 (GCVE-0-2021-47354)
Vulnerability from cvelistv5
Published
2024-05-21 14:35
Modified
2026-08-11 02:05
Severity ?
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/sched: Avoid data corruptions Wait for all dependencies of a job to complete before killing it to avoid data corruptions.
References
Impacted products
Vendor Product Version
Linux Linux Version: 79867462634836ee5c39a2cdf624719feeb189bd
Version: 79867462634836ee5c39a2cdf624719feeb189bd
Version: 79867462634836ee5c39a2cdf624719feeb189bd
Version: 79867462634836ee5c39a2cdf624719feeb189bd
Version: 79867462634836ee5c39a2cdf624719feeb189bd
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this is not a VM escape, IOMMU bypass, or other cross-boundary scope change.\\nC:N - The defect is broken fence ordering that races GPU accesses and corrupts buffer contents; it does not provide a new arbitrary read or confidential-memory disclosure primitive beyond data already reachable via shared mappings.\\nI:H - Signaling a job finished and freeing it before its dependencies complete breaks the dma-resv/implicit-sync chain, so other clients\u0027 jobs can run concurrently with unfinished dependent GPU work and corrupt shared or subsequently synchronized GPU buffers.\\nA:H - The resulting conflicting GPU accesses can induce GPU page faults, hangs, and device resets that deny graphics/compute availability system-wide for other users of the same GPU.\"}]}], \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"79867462634836ee5c39a2cdf624719feeb189bd\", \"lessThan\": \"c32d0f0e164ffab2a56c7cf8e612584b4b740e2e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"79867462634836ee5c39a2cdf624719feeb189bd\", \"lessThan\": \"0687411e2a8858262de2fc4a1d576016fd77292e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"79867462634836ee5c39a2cdf624719feeb189bd\", \"lessThan\": \"a8e23e3c1ff9ec598ab1b3a941ace6045027781f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"79867462634836ee5c39a2cdf624719feeb189bd\", \"lessThan\": \"50d7e03ad487cc45fc85164a299b945a41756ac0\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"79867462634836ee5c39a2cdf624719feeb189bd\", \"lessThan\": \"0b10ab80695d61422337ede6ff496552d8ace99d\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/gpu/drm/scheduler/sched_entity.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.15\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.15\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.4.133\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.51\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.12.18\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.12.*\"}, {\"status\": \"unaffected\", \"version\": \"5.13.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.13.*\"}, {\"status\": \"unaffected\", \"version\": \"5.14\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/gpu/drm/scheduler/sched_entity.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/c32d0f0e164ffab2a56c7cf8e612584b4b740e2e\"}, {\"url\": \"https://git.kernel.org/stable/c/0687411e2a8858262de2fc4a1d576016fd77292e\"}, {\"url\": \"https://git.kernel.org/stable/c/a8e23e3c1ff9ec598ab1b3a941ace6045027781f\"}, {\"url\": \"https://git.kernel.org/stable/c/50d7e03ad487cc45fc85164a299b945a41756ac0\"}, {\"url\": \"https://git.kernel.org/stable/c/0b10ab80695d61422337ede6ff496552d8ace99d\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/sched: Avoid data corruptions\\n\\nWait for all dependencies of a job  to complete before\\nkilling it to avoid data corruptions.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.133\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.51\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.12.18\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.13.3\", \"versionStartIncluding\": \"4.15\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.14\", \"versionStartIncluding\": \"4.15\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-08-11T02:05:17.211Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-47354\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-11T02:05:17.211Z\", \"dateReserved\": \"2024-05-21T14:28:16.986Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-21T14:35:57.772Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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