{"id":"CVE-2025-71115","state":"PUBLISHED","title":"um: init cpu_tasks[] earlier","description":"In the Linux kernel, the following vulnerability has been resolved:\n\num: init cpu_tasks[] earlier\n\nThis is currently done in uml_finishsetup(), but e.g. with\nKCOV enabled we'll crash because some init code can call\ninto e.g. memparse(), which has coverage annotations, and\nthen the checks in check_kcov_mode() crash because current\nis NULL.\n\nSimply initialize the cpu_tasks[] array statically, which\nfixes the crash. For the later SMP work, it seems to have\nnot really caused any problems yet, but initialize all of\nthe entries anyway.","publishedAt":"2026-01-14T15:06:02.428Z","updatedAt":"2026-05-11T21:55:09.414Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2f681ba4b352cdd5658ed2a96062375a12839755","status":"affected","lessThan":"dbbf6d47130674640cd12a0781a0fb2a575d0e44","versionType":"git"},{"version":"2f681ba4b352cdd5658ed2a96062375a12839755","status":"affected","lessThan":"7b5d4416964c07c902163822a30a622111172b01","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/um/kernel/process.c","arch/um/kernel/um_arch.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.18.3","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/um/kernel/process.c","arch/um/kernel/um_arch.c"]}],"references":["https://git.kernel.org/stable/c/dbbf6d47130674640cd12a0781a0fb2a575d0e44","https://git.kernel.org/stable/c/7b5d4416964c07c902163822a30a622111172b01"],"weaknesses":[],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/71xxx/CVE-2025-71115.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-71115","state":"PUBLISHED","datePublished":"2026-01-14T15:06:02.428Z","dateUpdated":"2026-05-11T21:55:09.414Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:30:19.653Z"},"containers":{"cna":{"title":"um: init cpu_tasks[] earlier","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\num: init cpu_tasks[] earlier\n\nThis is currently done in uml_finishsetup(), but e.g. with\nKCOV enabled we'll crash because some init code can call\ninto e.g. memparse(), which has coverage annotations, and\nthen the checks in check_kcov_mode() crash because current\nis NULL.\n\nSimply initialize the cpu_tasks[] array statically, which\nfixes the crash. For the later SMP work, it seems to have\nnot really caused any problems yet, but initialize all of\nthe entries anyway."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2f681ba4b352cdd5658ed2a96062375a12839755","status":"affected","lessThan":"dbbf6d47130674640cd12a0781a0fb2a575d0e44","versionType":"git"},{"version":"2f681ba4b352cdd5658ed2a96062375a12839755","status":"affected","lessThan":"7b5d4416964c07c902163822a30a622111172b01","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/um/kernel/process.c","arch/um/kernel/um_arch.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.18.3","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/um/kernel/process.c","arch/um/kernel/um_arch.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/dbbf6d47130674640cd12a0781a0fb2a575d0e44"},{"url":"https://git.kernel.org/stable/c/7b5d4416964c07c902163822a30a622111172b01"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:55:09.414Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}