Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: blk-mq: The crypto keyslot must be released before reporting I/O completion. Once all I/O using the blkcryptokey is completed, the file systems can call blkcryptoevictkey. However, the block layer currently does not call...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013016)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013016 advisory. In the Linux kernel, the following vulnerability has been resolved: blk-mq: release crypto keyslot before reporting I/O complete Once all I/O using a blkcryptokey ha...

SUSE CVE-2023-53810

In the Linux kernel, the following vulnerability has been resolved: blk-mq: release crypto keyslot before reporting I/O complete Once all I/O using a blkcryptokey has completed, filesystems can call blkcryptoevictkey. However, the block layer currently doesn't call blkcryptoputkeyslot until the...

EUVD-2023-60096

In the Linux kernel, the following vulnerability has been resolved: blk-mq: release crypto keyslot before reporting I/O complete Once all I/O using a blkcryptokey has completed, filesystems can call blkcryptoevictkey. However, the block layer currently doesn't call blkcryptoputkeyslot until the...

CVE-2023-53810

In the Linux kernel, the following vulnerability has been resolved: blk-mq: release crypto keyslot before reporting I/O complete Once all I/O using a blkcryptokey has completed, filesystems can call blkcryptoevictkey. However, the block layer currently doesn't call blkcryptoputkeyslot until the...

DEBIAN-CVE-2023-53810

In the Linux kernel, the following vulnerability has been resolved: blk-mq: release crypto keyslot before reporting I/O complete Once all I/O using a blkcryptokey has completed, filesystems can call blkcryptoevictkey. However, the block layer currently doesn't call blkcryptoputkeyslot until the...

UBUNTU-CVE-2023-53810

In the Linux kernel, the following vulnerability has been resolved: blk-mq: release crypto keyslot before reporting I/O complete Once all I/O using a blkcryptokey has completed, filesystems can call blkcryptoevictkey. However, the block layer currently doesn't call blkcryptoputkeyslot until the...

CVE-2023-53810

In the Linux kernel, the following vulnerability has been resolved: blk-mq: release crypto keyslot before reporting I/O complete Once all I/O using a blkcryptokey has completed, filesystems can call blkcryptoevictkey. However, the block layer currently doesn't call blkcryptoputkeyslot until the...

CVE-2023-53810

Summary: CVE-2023-53810 describes a race in the Linux kernel blk-mq crypto keyslot handling. When I/O completes, keyslots are not released until the request is freed, allowing blk_crypto_evict_key() to observe slot_refs != 0 even if there is no bug. This can trigger a use-after-free in blk_crypto...

CVE-2023-53810 blk-mq: release crypto keyslot before reporting I/O complete

In the Linux kernel, the following vulnerability has been resolved: blk-mq: release crypto keyslot before reporting I/O complete Once all I/O using a blkcryptokey has completed, filesystems can call blkcryptoevictkey. However, the block layer currently doesn't call blkcryptoputkeyslot until the...

PT-2025-49670

In the Linux kernel, the following vulnerability has been resolved: blk-mq: release crypto keyslot before reporting I/O complete Once all I/O using a blk crypto key has completed, filesystems can call blk crypto evict key. However, the block layer currently doesn't call blk crypto put keyslot unt...

kernel: blk-mq: release crypto keyslot before reporting I/O complete

A flaw was identified in the block multi-queue blk-mq subsystem of the Linux kernel where the crypto keyslot associated with a block I/O request could be released after upper layers have been notified that the I/O operation completed. Under certain conditions, this could lead to a use-after-free ...