{"id":"CVE-2022-49323","state":"PUBLISHED","title":"iommu/arm-smmu: fix possible null-ptr-deref in arm_smmu_device_probe()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/arm-smmu: fix possible null-ptr-deref in arm_smmu_device_probe()\n\nIt will cause null-ptr-deref when using 'res', if platform_get_resource()\nreturns NULL, so move using 'res' after devm_ioremap_resource() that\nwill check it to avoid null-ptr-deref.\nAnd use devm_platform_get_and_ioremap_resource() to simplify code.","publishedAt":"2025-02-26T02:10:47.142Z","updatedAt":"2026-05-11T18:57:28.496Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"9648cbc9625b67c91ed1aaf4b8b77f3f0c537496","status":"affected","lessThan":"3660db29b0305f9a1d95979c7af0f5db6ea99f5d","versionType":"git"},{"version":"9648cbc9625b67c91ed1aaf4b8b77f3f0c537496","status":"affected","lessThan":"98dd53a92825747395649f54d23512a13c3ed471","versionType":"git"},{"version":"9648cbc9625b67c91ed1aaf4b8b77f3f0c537496","status":"affected","lessThan":"80776a71340f57d6a4952635fc89f0342072f3ca","versionType":"git"},{"version":"9648cbc9625b67c91ed1aaf4b8b77f3f0c537496","status":"affected","lessThan":"449fc4561762ad9ad85362d5f01f0d0df397457a","versionType":"git"},{"version":"9648cbc9625b67c91ed1aaf4b8b77f3f0c537496","status":"affected","lessThan":"d9ed8af1dee37f181096631fb03729ece98ba816","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/arm/arm-smmu/arm-smmu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.11","versionType":"semver"},{"version":"5.10.122","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.47","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.15","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.4","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/arm/arm-smmu/arm-smmu.c"]}],"references":["https://git.kernel.org/stable/c/3660db29b0305f9a1d95979c7af0f5db6ea99f5d","https://git.kernel.org/stable/c/98dd53a92825747395649f54d23512a13c3ed471","https://git.kernel.org/stable/c/80776a71340f57d6a4952635fc89f0342072f3ca","https://git.kernel.org/stable/c/449fc4561762ad9ad85362d5f01f0d0df397457a","https://git.kernel.org/stable/c/d9ed8af1dee37f181096631fb03729ece98ba816"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49323.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49323","state":"PUBLISHED","datePublished":"2025-02-26T02:10:47.142Z","dateUpdated":"2026-05-11T18:57:28.496Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.537Z"},"containers":{"cna":{"title":"iommu/arm-smmu: fix possible null-ptr-deref in arm_smmu_device_probe()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/arm-smmu: fix possible null-ptr-deref in arm_smmu_device_probe()\n\nIt will cause null-ptr-deref when using 'res', if platform_get_resource()\nreturns NULL, so move using 'res' after devm_ioremap_resource() that\nwill check it to avoid null-ptr-deref.\nAnd use devm_platform_get_and_ioremap_resource() to simplify code."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"9648cbc9625b67c91ed1aaf4b8b77f3f0c537496","status":"affected","lessThan":"3660db29b0305f9a1d95979c7af0f5db6ea99f5d","versionType":"git"},{"version":"9648cbc9625b67c91ed1aaf4b8b77f3f0c537496","status":"affected","lessThan":"98dd53a92825747395649f54d23512a13c3ed471","versionType":"git"},{"version":"9648cbc9625b67c91ed1aaf4b8b77f3f0c537496","status":"affected","lessThan":"80776a71340f57d6a4952635fc89f0342072f3ca","versionType":"git"},{"version":"9648cbc9625b67c91ed1aaf4b8b77f3f0c537496","status":"affected","lessThan":"449fc4561762ad9ad85362d5f01f0d0df397457a","versionType":"git"},{"version":"9648cbc9625b67c91ed1aaf4b8b77f3f0c537496","status":"affected","lessThan":"d9ed8af1dee37f181096631fb03729ece98ba816","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/arm/arm-smmu/arm-smmu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.11","versionType":"semver"},{"version":"5.10.122","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.47","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.15","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.4","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/arm/arm-smmu/arm-smmu.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3660db29b0305f9a1d95979c7af0f5db6ea99f5d"},{"url":"https://git.kernel.org/stable/c/98dd53a92825747395649f54d23512a13c3ed471"},{"url":"https://git.kernel.org/stable/c/80776a71340f57d6a4952635fc89f0342072f3ca"},{"url":"https://git.kernel.org/stable/c/449fc4561762ad9ad85362d5f01f0d0df397457a"},{"url":"https://git.kernel.org/stable/c/d9ed8af1dee37f181096631fb03729ece98ba816"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:57:28.496Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.10.122"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.15.47"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.17.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.18.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.11","versionEndExcluding":"5.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49323","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:43:37.777213Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","type":"CWE","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:46:56.343Z"}}]}}}