Threats Tagged 'ghsa-22rm-57qw-fv2w'
View all threats tagged with 'ghsa-22rm-57qw-fv2w'. Filter and sort to focus on specific types of threats.
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Threats Tagged 'ghsa-22rm-57qw-fv2w'
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In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix UAF in __blkcg_rstat_flush() When multiple blkgs in the same… (CVE-2026-63802)CVE-2026-63802 0 In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix UAF in __blkcg_rstat_flush() When multiple blkgs in the same blkcg are released concurrently, a use-after-free can occur. The race happens when one blkg's __blkcg_rstat_flush() removes another blkg's iostat entries via llist_del_all(). The second blkg sees an empty list and proceeds to free itself while the first is still iterating over its entries. Move the flush from __blkg_release() (RCU callback) to blkg_release() (before call_rcu). This ensures the RCU grace period waits for any concurrent flush's rcu_read_lock() section to complete before freeing. Join the discussion | GCVE Database | 07/19/2026, 12:30:23 UTC Added: 07/19/2026, 19:38:21 UTC |
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