CVE-2026-90182

CVE-2026-90182 affects the Linux kernel 's blk-iocost block-I/O cost cgroup controller. When ioc_pd_free() removes an iocg from active_iocgs and cancels its waitq timer, no further mechanism can reduce debt or clear the delay state previously set by iocg_kick_delay() (which sets blkg->use_dela...

CVE-2026-90182 blk-iocost: clear delay state when freeing policy data

In the Linux kernel, the following vulnerability has been resolved: blk-iocost: clear delay state when freeing policy data iocgkickdelay turns sufficiently large debt into an explicit block-cgroup delay with blkcgsetdelay, setting blkg-usedelay to -1 and incrementing blkcg-congestioncount. Cleari...

EUVD-2026-81775

In the Linux kernel, the following vulnerability has been resolved: blk-iocost: clear delay state when freeing policy data iocgkickdelay turns sufficiently large debt into an explicit block-cgroup delay with blkcgsetdelay, setting blkg-usedelay to -1 and incrementing blkcg-congestioncount. Cleari...