{"id":"CVE-2022-48944","state":"PUBLISHED","title":"sched: Fix yet more sched_fork() races","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsched: Fix yet more sched_fork() races\n\nWhere commit 4ef0c5c6b5ba (\"kernel/sched: Fix sched_fork() access an\ninvalid sched_task_group\") fixed a fork race vs cgroup, it opened up a\nrace vs syscalls by not placing the task on the runqueue before it\ngets exposed through the pidhash.\n\nCommit 13765de8148f (\"sched/fair: Fix fault in reweight_entity\") is\ntrying to fix a single instance of this, instead fix the whole class\nof issues, effectively reverting this commit.","publishedAt":"2024-08-30T10:46:00.673Z","updatedAt":"2026-05-23T15:21:10.242Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3869eecf050416a1d19bac60926f6b5d64b0aa58","status":"affected","lessThan":"3411613611a5cddf7e80908010dc87cb527dd13b","versionType":"git"},{"version":"4ef0c5c6b5ba1f38f0ea1cedad0cad722f00c14a","status":"affected","lessThan":"c65cfd89cef669d90c59f3bf150af6458137a04f","versionType":"git"},{"version":"4ef0c5c6b5ba1f38f0ea1cedad0cad722f00c14a","status":"affected","lessThan":"b1e8206582f9d680cff7d04828708c8b6ab32957","versionType":"git"},{"version":"c85c6fadbef0a3eab41540ea628fa8fe8928c820","status":"affected","versionType":"git"},{"version":"25d40b828fb855ee62e1039c65a666c9afd60786","status":"affected","versionType":"git"},{"version":"5.15.3","status":"affected","lessThan":"5.15.27","versionType":"semver"},{"version":"5.10.80","status":"affected","lessThan":"5.11","versionType":"semver"},{"version":"5.14.19","status":"affected","lessThan":"5.15","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/sched/task.h","kernel/fork.c","kernel/sched/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","versionType":"semver"},{"version":"5.15.27","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.13","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/sched/task.h","kernel/fork.c","kernel/sched/core.c"]}],"references":["https://git.kernel.org/stable/c/3411613611a5cddf7e80908010dc87cb527dd13b","https://git.kernel.org/stable/c/c65cfd89cef669d90c59f3bf150af6458137a04f","https://git.kernel.org/stable/c/b1e8206582f9d680cff7d04828708c8b6ab32957"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/48xxx/CVE-2022-48944.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-48944","state":"PUBLISHED","datePublished":"2024-08-30T10:46:00.673Z","dateUpdated":"2026-05-23T15:21:10.242Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-08-22T01:27:53.623Z"},"containers":{"cna":{"title":"sched: Fix yet more sched_fork() races","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsched: Fix yet more sched_fork() races\n\nWhere commit 4ef0c5c6b5ba (\"kernel/sched: Fix sched_fork() access an\ninvalid sched_task_group\") fixed a fork race vs cgroup, it opened up a\nrace vs syscalls by not placing the task on the runqueue before it\ngets exposed through the pidhash.\n\nCommit 13765de8148f (\"sched/fair: Fix fault in reweight_entity\") is\ntrying to fix a single instance of this, instead fix the whole class\nof issues, effectively reverting this commit."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3869eecf050416a1d19bac60926f6b5d64b0aa58","status":"affected","lessThan":"3411613611a5cddf7e80908010dc87cb527dd13b","versionType":"git"},{"version":"4ef0c5c6b5ba1f38f0ea1cedad0cad722f00c14a","status":"affected","lessThan":"c65cfd89cef669d90c59f3bf150af6458137a04f","versionType":"git"},{"version":"4ef0c5c6b5ba1f38f0ea1cedad0cad722f00c14a","status":"affected","lessThan":"b1e8206582f9d680cff7d04828708c8b6ab32957","versionType":"git"},{"version":"c85c6fadbef0a3eab41540ea628fa8fe8928c820","status":"affected","versionType":"git"},{"version":"25d40b828fb855ee62e1039c65a666c9afd60786","status":"affected","versionType":"git"},{"version":"5.15.3","status":"affected","lessThan":"5.15.27","versionType":"semver"},{"version":"5.10.80","status":"affected","lessThan":"5.11","versionType":"semver"},{"version":"5.14.19","status":"affected","lessThan":"5.15","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/sched/task.h","kernel/fork.c","kernel/sched/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","versionType":"semver"},{"version":"5.15.27","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.13","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/sched/task.h","kernel/fork.c","kernel/sched/core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3411613611a5cddf7e80908010dc87cb527dd13b"},{"url":"https://git.kernel.org/stable/c/c65cfd89cef669d90c59f3bf150af6458137a04f"},{"url":"https://git.kernel.org/stable/c/b1e8206582f9d680cff7d04828708c8b6ab32957"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:21:10.242Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.3","versionEndExcluding":"5.15.27"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.16.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.80"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2022-48944","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T15:27:12.990295Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-12T17:33:16.665Z"}}]}}}