{"id":"CVE-2025-71106","state":"PUBLISHED","title":"fs: PM: Fix reverse check in filesystems_freeze_callback()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs: PM: Fix reverse check in filesystems_freeze_callback()\n\nThe freeze_all_ptr check in filesystems_freeze_callback() introduced by\ncommit a3f8f8662771 (\"power: always freeze efivarfs\") is reverse which\nquite confusingly causes all file systems to be frozen when\nfilesystem_freeze_enabled is false.\n\nOn my systems it causes the WARN_ON_ONCE() in __set_task_frozen() to\ntrigger, most likely due to an attempt to freeze a file system that is\nnot ready for that.\n\nAdd a logical negation to the check in question to reverse it as\nappropriate.","publishedAt":"2026-01-14T15:05:55.192Z","updatedAt":"2026-05-11T21:54:56.035Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a3f8f8662771285511ae26c4c8d3ba1cd22159b9","status":"affected","lessThan":"b107196729ff6b9d6cde0a71f49c1243def43328","versionType":"git"},{"version":"a3f8f8662771285511ae26c4c8d3ba1cd22159b9","status":"affected","lessThan":"222047f68e8565c558728f792f6fef152a1d4d51","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/super.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","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":["fs/super.c"]}],"references":["https://git.kernel.org/stable/c/b107196729ff6b9d6cde0a71f49c1243def43328","https://git.kernel.org/stable/c/222047f68e8565c558728f792f6fef152a1d4d51"],"weaknesses":[],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/71xxx/CVE-2025-71106.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-71106","state":"PUBLISHED","datePublished":"2026-01-14T15:05:55.192Z","dateUpdated":"2026-05-11T21:54:56.035Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:30:19.651Z"},"containers":{"cna":{"title":"fs: PM: Fix reverse check in filesystems_freeze_callback()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs: PM: Fix reverse check in filesystems_freeze_callback()\n\nThe freeze_all_ptr check in filesystems_freeze_callback() introduced by\ncommit a3f8f8662771 (\"power: always freeze efivarfs\") is reverse which\nquite confusingly causes all file systems to be frozen when\nfilesystem_freeze_enabled is false.\n\nOn my systems it causes the WARN_ON_ONCE() in __set_task_frozen() to\ntrigger, most likely due to an attempt to freeze a file system that is\nnot ready for that.\n\nAdd a logical negation to the check in question to reverse it as\nappropriate."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a3f8f8662771285511ae26c4c8d3ba1cd22159b9","status":"affected","lessThan":"b107196729ff6b9d6cde0a71f49c1243def43328","versionType":"git"},{"version":"a3f8f8662771285511ae26c4c8d3ba1cd22159b9","status":"affected","lessThan":"222047f68e8565c558728f792f6fef152a1d4d51","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/super.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.18","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":["fs/super.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b107196729ff6b9d6cde0a71f49c1243def43328"},{"url":"https://git.kernel.org/stable/c/222047f68e8565c558728f792f6fef152a1d4d51"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:54:56.035Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}