Threats Tagged 'ghsa-5ghq-73f5-5j56'
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Threats Tagged 'ghsa-5ghq-73f5-5j56'
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A use-after-free vulnerability in the Linux kernel's block cgroup (blk-cgroup) subsystem was resolved. The flaw occurs in the blkcg_activate_policy() function when switching IO schedulers on a block device, where a race condition with concurrent block cgroup deletion can lead to use-after-free in rcu_accelerate_cbs. The fix involves checking if a block group (blkg) is already being destroyed before processing it, preventing the use-after-free condition. Join the discussion | GCVE Database | 09/17/2026, 18:32:01 UTC Added: 09/19/2026, 01:28:01 UTC |
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