{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31567","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-03-09T15:48:24.117Z","datePublished":"2026-04-24T14:35:47.453Z","dateUpdated":"2026-05-11T22:11:17.209Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:11:17.209Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nPM: sleep: Drop spurious WARN_ON() from pm_restore_gfp_mask()\n\nCommit 35e4a69b2003f (\"PM: sleep: Allow pm_restrict_gfp_mask()\nstacking\") introduced refcount-based GFP mask management that warns\nwhen pm_restore_gfp_mask() is called with saved_gfp_count == 0.\n\nSome hibernation paths call pm_restore_gfp_mask() defensively where\nthe GFP mask may or may not be restricted depending on the execution\npath. For example, the uswsusp interface invokes it in\nSNAPSHOT_CREATE_IMAGE, SNAPSHOT_UNFREEZE, and snapshot_release().\nBefore the stacking change this was a silent no-op; it now triggers\na spurious WARNING.\n\nRemove the WARN_ON() wrapper from the !saved_gfp_count check while\nretaining the check itself, so that defensive calls remain harmless\nwithout producing false warnings.\n\n[ rjw: Subject tweak ]"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/power/main.c"],"versions":[{"version":"35e4a69b2003f20a69e7d19ae96ab1eef1aa8e8d","lessThan":"3025ca5daa9d682b629c0c958b538e41deeb559d","status":"affected","versionType":"git"},{"version":"35e4a69b2003f20a69e7d19ae96ab1eef1aa8e8d","lessThan":"f19d1323aa3dd7ead469aef47d9085f8939565d9","status":"affected","versionType":"git"},{"version":"35e4a69b2003f20a69e7d19ae96ab1eef1aa8e8d","lessThan":"a8d51efb5929ae308895455a3e496b5eca2cd143","status":"affected","versionType":"git"},{"version":"4ddf7293928cb619077724b7d828734da8181e6c","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/power/main.c"],"versions":[{"version":"6.18","status":"affected"},{"version":"0","lessThan":"6.18","status":"unaffected","versionType":"semver"},{"version":"6.18.21","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.11","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","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":"6.18","versionEndExcluding":"6.18.21"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.19.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"7.0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17.8"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3025ca5daa9d682b629c0c958b538e41deeb559d"},{"url":"https://git.kernel.org/stable/c/f19d1323aa3dd7ead469aef47d9085f8939565d9"},{"url":"https://git.kernel.org/stable/c/a8d51efb5929ae308895455a3e496b5eca2cd143"}],"title":"PM: sleep: Drop spurious WARN_ON() from pm_restore_gfp_mask()","x_generator":{"engine":"bippy-1.2.0"}}}}