CVE-2025-38063

In the Linux kernel, the following vulnerability has been resolved: dm: fix unconditional IO throttle caused by REQPREFLUSH When a bio with REQPREFLUSH is submitted to dm, sendemptyflush generates a flushbio with REQOPWRITE | REQPREFLUSH | REQSYNC, which causes the flushbio to be throttled by...

CVE-2025-38063 dm: fix unconditional IO throttle caused by REQ_PREFLUSH

In the Linux kernel, the following vulnerability has been resolved: dm: fix unconditional IO throttle caused by REQPREFLUSH When a bio with REQPREFLUSH is submitted to dm, sendemptyflush generates a flushbio with REQOPWRITE | REQPREFLUSH | REQSYNC, which causes the flushbio to be throttled by...

CVE-2025-38063 dm: fix unconditional IO throttle caused by REQ_PREFLUSH

In the Linux kernel, the following vulnerability has been resolved: dm: fix unconditional IO throttle caused by REQPREFLUSH When a bio with REQPREFLUSH is submitted to dm, sendemptyflush generates a flushbio with REQOPWRITE | REQPREFLUSH | REQSYNC, which causes the flushbio to be throttled by...

CVE-2025-38063

The CVE-2025-38063 entry concerns a Linux kernel vulnerability in the Linux DM (device-mapper) path where a bio submitted with REQ_PREFLUSH causes an unconditional IO throttle via wbt_wait, throttling the flush_bio that includes REQ_OP_WRITE | REQ_PREFLUSH | REQ_SYNC. The root cause is throttling...