{"dataType":"CVE_RECORD","cveMetadata":{"cveId":"CVE-2023-52606","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-03-02T21:55:42.573Z","datePublished":"2024-03-06T06:45:31.257Z","dateUpdated":"2026-01-05T10:16:38.660Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-01-05T10:16:38.660Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/lib: Validate size for vector operations\n\nSome of the fp/vmx code in sstep.c assume a certain maximum size for the\ninstructions being emulated. The size of those operations however is\ndetermined separately in analyse_instr().\n\nAdd a check to validate the assumption on the maximum size of the\noperations, so as to prevent any unintended kernel stack corruption."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/powerpc/lib/sstep.c"],"versions":[{"version":"c22435a5f3d8f85ea162ae523a6ba60a58521ba5","lessThan":"42084a428a139f1a429f597d44621e3a18f3e414","status":"affected","versionType":"git"},{"version":"c22435a5f3d8f85ea162ae523a6ba60a58521ba5","lessThan":"0580f4403ad33f379eef865c2a6fe94de37febdf","status":"affected","versionType":"git"},{"version":"c22435a5f3d8f85ea162ae523a6ba60a58521ba5","lessThan":"beee482cc4c9a6b1dcffb2e190b4fd8782258678","status":"affected","versionType":"git"},{"version":"c22435a5f3d8f85ea162ae523a6ba60a58521ba5","lessThan":"de4f5ed63b8a199704d8cdcbf810309d7eb4b36b","status":"affected","versionType":"git"},{"version":"c22435a5f3d8f85ea162ae523a6ba60a58521ba5","lessThan":"abd26515d4b767ba48241eea77b28ce0872aef3e","status":"affected","versionType":"git"},{"version":"c22435a5f3d8f85ea162ae523a6ba60a58521ba5","lessThan":"28b8ba8eebf26f66d9f2df4ba550b6b3b136082c","status":"affected","versionType":"git"},{"version":"c22435a5f3d8f85ea162ae523a6ba60a58521ba5","lessThan":"848e1d7fd710900397e1d0e7584680c1c04e3afd","status":"affected","versionType":"git"},{"version":"c22435a5f3d8f85ea162ae523a6ba60a58521ba5","lessThan":"8f9abaa6d7de0a70fc68acaedce290c1f96e2e59","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/powerpc/lib/sstep.c"],"versions":[{"version":"4.14","status":"affected"},{"version":"0","lessThan":"4.14","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":"6.1.77","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.16","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.7.4","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":"4.14","versionEndExcluding":"4.19.307"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.4.269"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.10.210"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.15.149"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.1.77"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.6.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.7.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.8"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/42084a428a139f1a429f597d44621e3a18f3e414"},{"url":"https://git.kernel.org/stable/c/0580f4403ad33f379eef865c2a6fe94de37febdf"},{"url":"https://git.kernel.org/stable/c/beee482cc4c9a6b1dcffb2e190b4fd8782258678"},{"url":"https://git.kernel.org/stable/c/de4f5ed63b8a199704d8cdcbf810309d7eb4b36b"},{"url":"https://git.kernel.org/stable/c/abd26515d4b767ba48241eea77b28ce0872aef3e"},{"url":"https://git.kernel.org/stable/c/28b8ba8eebf26f66d9f2df4ba550b6b3b136082c"},{"url":"https://git.kernel.org/stable/c/848e1d7fd710900397e1d0e7584680c1c04e3afd"},{"url":"https://git.kernel.org/stable/c/8f9abaa6d7de0a70fc68acaedce290c1f96e2e59"}],"title":"powerpc/lib: 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