{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49852","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-05-01T14:05:17.230Z","datePublished":"2025-05-01T14:10:07.001Z","dateUpdated":"2026-05-11T19:08:00.422Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:08:00.422Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: process: fix kernel info leakage\n\nthread_struct's s[12] may contain random kernel memory content, which\nmay be finally leaked to userspace. This is a security hole. Fix it\nby clearing the s[12] array in thread_struct when fork.\n\nAs for kthread case, it's better to clear the s[12] array as well."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/riscv/kernel/process.c"],"versions":[{"version":"7db91e57a0acde126a162ababfb1e0ab190130cb","lessThan":"c4601d30f7d989b4f354df899ab85b5f7a750d30","status":"affected","versionType":"git"},{"version":"7db91e57a0acde126a162ababfb1e0ab190130cb","lessThan":"c5c0b3167537793a7cf936fb240366eefd2fc7fb","status":"affected","versionType":"git"},{"version":"7db91e57a0acde126a162ababfb1e0ab190130cb","lessThan":"e56d18a976dda653194218df6d40d8122c775712","status":"affected","versionType":"git"},{"version":"7db91e57a0acde126a162ababfb1e0ab190130cb","lessThan":"cc36c7fa5d9384602529ba3eea8c5daee7be4dbc","status":"affected","versionType":"git"},{"version":"7db91e57a0acde126a162ababfb1e0ab190130cb","lessThan":"358a68f98304b40b201ba5afe94c20355aa3dc68","status":"affected","versionType":"git"},{"version":"7db91e57a0acde126a162ababfb1e0ab190130cb","lessThan":"6510c78490c490a6636e48b61eeaa6fb65981f4b","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/riscv/kernel/process.c"],"versions":[{"version":"4.15","status":"affected"},{"version":"0","lessThan":"4.15","status":"unaffected","versionType":"semver"},{"version":"4.19.267","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.225","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.155","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.79","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.0.9","lessThanOrEqual":"6.0.*","status":"unaffected","versionType":"semver"},{"version":"6.1","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":"4.15","versionEndExcluding":"4.19.267"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.4.225"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.10.155"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.15.79"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.0.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/c4601d30f7d989b4f354df899ab85b5f7a750d30"},{"url":"https://git.kernel.org/stable/c/c5c0b3167537793a7cf936fb240366eefd2fc7fb"},{"url":"https://git.kernel.org/stable/c/e56d18a976dda653194218df6d40d8122c775712"},{"url":"https://git.kernel.org/stable/c/cc36c7fa5d9384602529ba3eea8c5daee7be4dbc"},{"url":"https://git.kernel.org/stable/c/358a68f98304b40b201ba5afe94c20355aa3dc68"},{"url":"https://git.kernel.org/stable/c/6510c78490c490a6636e48b61eeaa6fb65981f4b"}],"title":"riscv: process: fix kernel info leakage","x_generator":{"engine":"bippy-1.2.0"}}}}