{"dataType":"CVE_RECORD","cveMetadata":{"cveId":"CVE-2023-52615","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-03-06T09:52:12.089Z","datePublished":"2024-03-18T10:14:45.503Z","dateUpdated":"2025-05-04T07:39:56.098Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:39:56.098Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nhwrng: core - Fix page fault dead lock on mmap-ed hwrng\n\nThere is a dead-lock in the hwrng device read path.  This triggers\nwhen the user reads from /dev/hwrng into memory also mmap-ed from\n/dev/hwrng.  The resulting page fault triggers a recursive read\nwhich then dead-locks.\n\nFix this by using a stack buffer when calling copy_to_user."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/hw_random/core.c"],"versions":[{"version":"9996508b3353063f2d6c48c1a28a84543d72d70b","lessThan":"eafd83b92f6c044007a3591cbd476bcf90455990","status":"affected","versionType":"git"},{"version":"9996508b3353063f2d6c48c1a28a84543d72d70b","lessThan":"5030d4c798863ccb266563201b341a099e8cdd48","status":"affected","versionType":"git"},{"version":"9996508b3353063f2d6c48c1a28a84543d72d70b","lessThan":"c6a8111aacbfe7a8a70f46cc0de8eed00561693c","status":"affected","versionType":"git"},{"version":"9996508b3353063f2d6c48c1a28a84543d72d70b","lessThan":"26cc6d7006f922df6cc4389248032d955750b2a0","status":"affected","versionType":"git"},{"version":"9996508b3353063f2d6c48c1a28a84543d72d70b","lessThan":"aa8aa16ed9adf1df05bb339d588cf485a011839e","status":"affected","versionType":"git"},{"version":"9996508b3353063f2d6c48c1a28a84543d72d70b","lessThan":"ecabe8cd456d3bf81e92c53b074732f3140f170d","status":"affected","versionType":"git"},{"version":"9996508b3353063f2d6c48c1a28a84543d72d70b","lessThan":"6822a14271786150e178869f1495cc03e74c5029","status":"affected","versionType":"git"},{"version":"9996508b3353063f2d6c48c1a28a84543d72d70b","lessThan":"78aafb3884f6bc6636efcc1760c891c8500b9922","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/hw_random/core.c"],"versions":[{"version":"2.6.33","status":"affected"},{"version":"0","lessThan":"2.6.33","status":"unaffected","versionType":"semver"},{"version":"4.19.307","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.269","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.210","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.149","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.76","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.15","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.7.3","lessThanOrEqual":"6.7.*","status":"unaffected","versionType":"semver"},{"version":"6.8","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":"2.6.33","versionEndExcluding":"4.19.307"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.33","versionEndExcluding":"5.4.269"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.33","versionEndExcluding":"5.10.210"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.33","versionEndExcluding":"5.15.149"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.33","versionEndExcluding":"6.1.76"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.33","versionEndExcluding":"6.6.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.33","versionEndExcluding":"6.7.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.33","versionEndExcluding":"6.8"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/eafd83b92f6c044007a3591cbd476bcf90455990"},{"url":"https://git.kernel.org/stable/c/5030d4c798863ccb266563201b341a099e8cdd48"},{"url":"https://git.kernel.org/stable/c/c6a8111aacbfe7a8a70f46cc0de8eed00561693c"},{"url":"https://git.kernel.org/stable/c/26cc6d7006f922df6cc4389248032d955750b2a0"},{"url":"https://git.kernel.org/stable/c/aa8aa16ed9adf1df05bb339d588cf485a011839e"},{"url":"https://git.kernel.org/stable/c/ecabe8cd456d3bf81e92c53b074732f3140f170d"},{"url":"https://git.kernel.org/stable/c/6822a14271786150e178869f1495cc03e74c5029"},{"url":"https://git.kernel.org/stable/c/78aafb3884f6bc6636efcc1760c891c8500b9922"}],"title":"hwrng: core - 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