Threats Tagged 'ghsa-45w6-5frg-3vfq'
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Threats Tagged 'ghsa-45w6-5frg-3vfq'
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In the Linux kernel, the following vulnerability has been resolved: fuse: re-lock request before replacing page cache folio fuse_try_move_folio()… (CVE-2026-53388)CVE-2026-53388 0 In the Linux kernel, the following vulnerability has been resolved: fuse: re-lock request before replacing page cache folio fuse_try_move_folio() unlocks the request on entry but does not re-lock it on the success path. This means fuse_chan_abort() can end the request and free the fuse_io_args (eg fuse_readpages_end()) while the subsequent copy chain logic after fuse_try_move_folio() accesses the fuse_io_args, leading to use-after-free issues. Fix this by calling lock_request() before replace_page_cache_folio(). This ensures the request is locked on the success path which will prevent the fuse_io_args from being freed while the later copying logic runs, and also ensures that the ap->folios[i]->mapping is never null since ap->folios[i] will always point to the newfolio after replace_page_cache_folio(). Join the discussion | GCVE Database | 07/19/2026, 12:30:22 UTC Added: 07/19/2026, 19:38:21 UTC |
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