Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011304)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011304 advisory. In the Linux kernel, the following vulnerability has been resolved: blk-iocost: use spinlockirqsave in adjustinuseandcalccost adjustinuseandcalccost use spinlockirq...

UBUNTU-CVE-2023-53730

In the Linux kernel, the following vulnerability has been resolved: blk-iocost: use spinlockirqsave in adjustinuseandcalccost adjustinuseandcalccost use spinlockirq and IRQ will be enabled when unlock. DEADLOCK might happen if we have held other locks and disabled IRQ before invoking it. Fix it b...

CVE-2023-53730

CVE-2023-53730 : In the Linux kernel, the blk-iocost code path uses spin_lock_irq() when acquiring bfqd-related locks in adjust_inuse_and_calc_cost(), which can leave IRQ state inconsistent and lead to a potential deadlock if other locks are held and IRQ is disabled before unlocking. The fix swit...