Tracker / CVE-2026-53388
CVE-2026-53388
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().
Prodotti e versioni affette
| linux | linux_kernel · 2.6.35 → 5.15.211 |
|---|---|
| linux | linux_kernel · 5.16 → 6.1.177 |
| linux | linux_kernel · 6.13 → 6.18.37 |
| linux | linux_kernel · 6.19 → 7.0.14 |
| linux | linux_kernel · 6.2 → 6.6.144 |
| linux | linux_kernel · 6.7 → 6.12.95 |
| linux | linux_kernel · 7.1 → 7.1.2 |