{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52576","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-03-02T21:55:42.568Z","datePublished":"2024-03-02T21:59:44.545Z","dateUpdated":"2026-05-11T19:29:35.497Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:29:35.497Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nx86/mm, kexec, ima: Use memblock_free_late() from ima_free_kexec_buffer()\n\nThe code calling ima_free_kexec_buffer() runs long after the memblock\nallocator has already been torn down, potentially resulting in a use\nafter free in memblock_isolate_range().\n\nWith KASAN or KFENCE, this use after free will result in a BUG\nfrom the idle task, and a subsequent kernel panic.\n\nSwitch ima_free_kexec_buffer() over to memblock_free_late() to avoid\nthat bug."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/x86/kernel/setup.c"],"versions":[{"version":"fee3ff99bc67604fba77f19da0106f3ec52b1956","lessThan":"eef16bfdb212da60f5144689f2967fb25b051a2b","status":"affected","versionType":"git"},{"version":"fee3ff99bc67604fba77f19da0106f3ec52b1956","lessThan":"d2dfbc0e3b7a04c2d941421a958dc31c897fb204","status":"affected","versionType":"git"},{"version":"fee3ff99bc67604fba77f19da0106f3ec52b1956","lessThan":"34cf99c250d5cd2530b93a57b0de31d3aaf8685b","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/x86/kernel/setup.c"],"versions":[{"version":"5.13","status":"affected"},{"version":"0","lessThan":"5.13","status":"unaffected","versionType":"semver"},{"version":"6.1.56","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.5.6","lessThanOrEqual":"6.5.*","status":"unaffected","versionType":"semver"},{"version":"6.6","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.1.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.5.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.6"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/eef16bfdb212da60f5144689f2967fb25b051a2b"},{"url":"https://git.kernel.org/stable/c/d2dfbc0e3b7a04c2d941421a958dc31c897fb204"},{"url":"https://git.kernel.org/stable/c/34cf99c250d5cd2530b93a57b0de31d3aaf8685b"}],"title":"x86/mm, kexec, ima: Use memblock_free_late() from ima_free_kexec_buffer()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-416","lang":"en","description":"CWE-416 Use After Free"}]}],"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":{"timestamp":"2024-07-24T14:52:41.445700Z","id":"CVE-2023-52576","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-11-01T15:52:22.842Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T23:03:20.880Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/eef16bfdb212da60f5144689f2967fb25b051a2b","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/d2dfbc0e3b7a04c2d941421a958dc31c897fb204","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/34cf99c250d5cd2530b93a57b0de31d3aaf8685b","tags":["x_transferred"]}]}]}}