{"id":"CVE-2024-53228","state":"PUBLISHED","title":"riscv: kvm: Fix out-of-bounds array access","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: kvm: Fix out-of-bounds array access\n\nIn kvm_riscv_vcpu_sbi_init() the entry->ext_idx can contain an\nout-of-bound index. This is used as a special marker for the base\nextensions, that cannot be disabled. However, when traversing the\nextensions, that special marker is not checked prior indexing the\narray.\n\nAdd an out-of-bounds check to the function.","publishedAt":"2024-12-27T13:50:16.843Z","updatedAt":"2026-05-11T20:53:19.891Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"56d8a385b60556019ecb45d6098830c9ef6a13e0","status":"affected","lessThan":"3c49e1084a5df99807fc43dd318c491e6cbaa168","versionType":"git"},{"version":"56d8a385b60556019ecb45d6098830c9ef6a13e0","status":"affected","lessThan":"b1af648f0d610665c956ea4604d9f797e5c7e991","versionType":"git"},{"version":"56d8a385b60556019ecb45d6098830c9ef6a13e0","status":"affected","lessThan":"332fa4a802b16ccb727199da685294f85f9880cb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/riscv/kvm/vcpu_sbi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.11.11","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12.2","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/riscv/kvm/vcpu_sbi.c"]}],"references":["https://git.kernel.org/stable/c/3c49e1084a5df99807fc43dd318c491e6cbaa168","https://git.kernel.org/stable/c/b1af648f0d610665c956ea4604d9f797e5c7e991","https://git.kernel.org/stable/c/332fa4a802b16ccb727199da685294f85f9880cb"],"weaknesses":["CWE-129"],"ingestedAt":"2026-10-29T20:08:04.920Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/53xxx/CVE-2024-53228.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-53228","state":"PUBLISHED","datePublished":"2024-12-27T13:50:16.843Z","dateUpdated":"2026-05-11T20:53:19.891Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-11-19T17:17:25.025Z"},"containers":{"cna":{"title":"riscv: kvm: Fix out-of-bounds array access","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: kvm: Fix out-of-bounds array access\n\nIn kvm_riscv_vcpu_sbi_init() the entry->ext_idx can contain an\nout-of-bound index. This is used as a special marker for the base\nextensions, that cannot be disabled. However, when traversing the\nextensions, that special marker is not checked prior indexing the\narray.\n\nAdd an out-of-bounds check to the function."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"56d8a385b60556019ecb45d6098830c9ef6a13e0","status":"affected","lessThan":"3c49e1084a5df99807fc43dd318c491e6cbaa168","versionType":"git"},{"version":"56d8a385b60556019ecb45d6098830c9ef6a13e0","status":"affected","lessThan":"b1af648f0d610665c956ea4604d9f797e5c7e991","versionType":"git"},{"version":"56d8a385b60556019ecb45d6098830c9ef6a13e0","status":"affected","lessThan":"332fa4a802b16ccb727199da685294f85f9880cb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/riscv/kvm/vcpu_sbi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.11.11","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12.2","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/riscv/kvm/vcpu_sbi.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3c49e1084a5df99807fc43dd318c491e6cbaa168"},{"url":"https://git.kernel.org/stable/c/b1af648f0d610665c956ea4604d9f797e5c7e991"},{"url":"https://git.kernel.org/stable/c/332fa4a802b16ccb727199da685294f85f9880cb"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:53:19.891Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.11.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.13"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"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-2024-53228","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-10-01T20:03:13.160173Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-129","lang":"en","type":"CWE","description":"CWE-129 Improper Validation of Array Index"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T20:07:18.625Z"}}]}}}