kernel: md: Fix missing release of 'active_io' for flush

In the Linux kernel, the following vulnerability has been resolved: md: Fix missing release of 'activeio' for flush The Linux kernel CVE team has assigned CVE-2024-27023 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024050105-CVE-2024-27023-4810@gregkh/T...

CVE-2024-43855

A denial of service vulnerability exists in the Linux kernel. A deadlock condition occurs when mddev is being suspended while some of the flush bio is in progress, leading to a loss of availability. Mitigation Mitigation for this issue is either not available or the currently available options...

CVE-2024-43855

In the Linux kernel, the following vulnerability has been resolved: md: fix deadlock between mddevsuspend and flush bio Deadlock occurs when mddev is being suspended while some flush bio is in progress. It is a complex issue. T1. the first flush is at the ending stage, it clears 'mddev-flushbio'...

CVE-2024-43855

In the Linux kernel, the following vulnerability has been resolved: md: fix deadlock between mddevsuspend and flush bio Deadlock occurs when mddev is being suspended while some flush bio is in progress. It is a complex issue. T1. the first flush is at the ending stage, it clears 'mddev-flushbio'...

CVE-2024-43855 md: fix deadlock between mddev_suspend and flush bio

In the Linux kernel, the following vulnerability has been resolved: md: fix deadlock between mddevsuspend and flush bio Deadlock occurs when mddev is being suspended while some flush bio is in progress. It is a complex issue. T1. the first flush is at the ending stage, it clears 'mddev-flushbio'...

CVE-2024-43855 md: fix deadlock between mddev_suspend and flush bio

In the Linux kernel, the following vulnerability has been resolved: md: fix deadlock between mddevsuspend and flush bio Deadlock occurs when mddev is being suspended while some flush bio is in progress. It is a complex issue. T1. the first flush is at the ending stage, it clears 'mddev-flushbio'...

CVE-2024-43855

CVE-2024-43855 is a Linux kernel vulnerability in the md (RAID) subsystem where a deadlock could occur while an mddev is suspended and a flush bio is in progress. The connected docs describe the root cause as non-atomic increment/decrement of the active_io counter during the md flush sequence, en...

CVE-2024-43855

In the Linux kernel, the following vulnerability has been resolved: md: fix deadlock between mddevsuspend and flush bio Deadlock occurs when mddev is being suspended while some flush bio is in progress. It is a complex issue. T1. the first flush is at the ending stage, it clears 'mddev-flushbio'...

CVE-2024-43855 md: fix deadlock between mddev_suspend and flush bio

In the Linux kernel, the following vulnerability has been resolved: md: fix deadlock between mddevsuspend and flush bio Deadlock occurs when mddev is being suspended while some flush bio is in progress. It is a complex issue. T1. the first flush is at the ending stage, it clears 'mddev-flushbio'...

SUSE CVE-2024-27023

In the Linux kernel, the following vulnerability has been resolved: md: Fix missing release of 'activeio' for flush submitflushes atomicset&mddev-flushpending, 1; rdevforeachrcurdev, mddev atomicinc&mddev-flushpending; bi-biendio = mdendflush submitbiobi; / flush io is done first / mdendflush if...

CVE-2024-27023

In the Linux kernel, the following vulnerability has been resolved: md: Fix missing release of 'activeio' for flush submitflushes atomicset&mddev-flushpending, 1; rdevforeachrcurdev, mddev atomicinc&mddev-flushpending; bi-biendio = mdendflush submitbiobi; / flush io is done first / mdendflush if...

CVE-2024-27023

In the Linux kernel, the following vulnerability has been resolved: md: Fix missing release of 'activeio' for flush submitflushes atomicset&mddev-flushpending, 1; rdevforeachrcurdev, mddev atomicinc&mddev-flushpending; bi-biendio = mdendflush submitbiobi; / flush io is done first / mdendflush if...

CVE-2024-27023 md: Fix missing release of 'active_io' for flush

In the Linux kernel, the following vulnerability has been resolved: md: Fix missing release of 'activeio' for flush submitflushes atomicset&mddev-flushpending, 1; rdevforeachrcurdev, mddev atomicinc&mddev-flushpending; bi-biendio = mdendflush submitbiobi; / flush io is done first / mdendflush if...

CVE-2024-27023

In CVE-2024-27023, the Linux kernel md subsystem (md) had a flaw where active_io was not released when flush_pending fell to zero, causing mddev_suspend() to wait forever. The fix releases active_io in submit_flushes() as soon as flush_pending transitions to zero, preventing the hang. The descrip...

CVE-2024-27023 md: Fix missing release of 'active_io' for flush

In the Linux kernel, the following vulnerability has been resolved: md: Fix missing release of 'activeio' for flush submitflushes atomicset&mddev-flushpending, 1; rdevforeachrcurdev, mddev atomicinc&mddev-flushpending; bi-biendio = mdendflush submitbiobi; / flush io is done first / mdendflush if...

CVE-2024-27023

In the Linux kernel, the following vulnerability has been resolved: md: Fix missing release of 'activeio' for flush submitflushes atomicset&mddev-flushpending, 1; rdevforeachrcurdev, mddev atomicinc&mddev-flushpending; bi-biendio = mdendflush submitbiobi; / flush io is done first / mdendflush if...

Linux kernel 安全漏洞

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel due to a missing version of "activeio" at refresh time...