Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mmc: atmel-mci: fixed the return value check in mmcaddhost The mmcaddhost function may return an error. If we ignore its return value, it will cause two issues: 1. The memory allocated in mmcallochost may be leaked. 2. In the...

CVE-2026-80556

A flaw was found in the Linux kernel's atmel-mci component. A race condition during the removal of the atmel-mci module can lead to a use-after-free vulnerability. This occurs when work items related to the module are still pending or running after the associated memory has been freed. This flaw...

EUVD-2026-66471

In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: Fix use-after-free in atmciremove due to race condition In atmciprobe, &host-bhwork is bound with atmciworkfunc, and atmciinterrupt, atmcitimeouttimer and atmcidmacomplete can all queue this work on systembhwq. If...

SUSE CVE-2026-80556

In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: Fix use-after-free in atmciremove due to race condition In atmciprobe, &host-bhwork is bound with atmciworkfunc, and atmciinterrupt, atmcitimeouttimer and atmcidmacomplete can all queue this work on systembhwq. If...

AZL-97700 CVE-2026-80556 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: Fix use-after-free in atmciremove due to race condition In atmciprobe, &host-bhwork is bound with atmciworkfunc, and atmciinterrupt, atmcitimeouttimer and atmcidmacomplete can all queue this work on systembhwq. If...

CVE-2026-80556

In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: Fix use-after-free in atmciremove due to race condition In atmciprobe, &host-bhwork is bound with atmciworkfunc, and atmciinterrupt, atmcitimeouttimer and atmcidmacomplete can all queue this work on systembhwq. If...

UBUNTU-CVE-2026-80556

In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: Fix use-after-free in atmciremove due to race condition In atmciprobe, &host-bhwork is bound with atmciworkfunc, and atmciinterrupt, atmcitimeouttimer and atmcidmacomplete can all queue this work on systembhwq. If...

CVE-2026-80556

In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: Fix use-after-free in atmciremove due to race condition In atmciprobe, &host-bhwork is bound with atmciworkfunc, and atmciinterrupt, atmcitimeouttimer and atmcidmacomplete can all queue this work on systembhwq. If...

CVE-2026-80556 mmc: atmel-mci: Fix use-after-free in atmci_remove due to race condition

In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: Fix use-after-free in atmciremove due to race condition In atmciprobe, &host-bhwork is bound with atmciworkfunc, and atmciinterrupt, atmcitimeouttimer and atmcidmacomplete can all queue this work on systembhwq. If...

CVE-2026-80556 mmc: atmel-mci: Fix use-after-free in atmci_remove due to race condition

In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: Fix use-after-free in atmciremove due to race condition In atmciprobe, &host-bhwork is bound with atmciworkfunc, and atmciinterrupt, atmcitimeouttimer and atmcidmacomplete can all queue this work on systembhwq. If...

CVE-2026-80556

CVE-2026-80556 is a use-after-free bug in the Linux kernel's atmel-mci MMC driver. The root cause is a race condition in atmci_remove: when the module is removed, the host structure (allocated via devm_kzalloc) is freed after the remove callback returns, but &host->bh_work—which can be queued ...

CVE-2026-80556: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: Fix use-after-free in atmciremove due to race condition In atmciprobe, &host-bhwork is bound with atmciworkfunc, and atmciinterrupt, atmcitimeouttimer and atmcidmacomplete can all queue this work on systembhwq. If...

PT-2026-82172

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the atmel-mci driver due to a race condition in the atmci remove function. The &host-bh work variable is bound to the atmci work func function and can be...

Linux Distros Unpatched Vulnerability : CVE-2026-80556

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mmc: atmel-mci: Fix use-after-free in atmciremove due to race condition In atmciprobe, &host-bhwork is bound with atmciworkfunc, and atmciinterrupt,...

Linux MMC/SD/SDIO Card Driver Heap Buffer Overflow DoS

The vulnerability of the atmciinitSlot function in the drivers/mmc/host/atmel-mci.c module of the Linux kernel’s MMC/SD/SDIO card driver lies in the lack of checking for the return value. Exploiting this vulnerability could allow an attacker to cause a service failure...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013660)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013660 advisory. In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore it...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011179)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011179 advisory. In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore it...

EUVD-2022-55703

In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore its return value, it will lead two issues: 1. The memory that allocated in mmcallochost is leaked. 2. In the remove path, mmcremovehos...

DEBIAN-CVE-2022-50653

In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore its return value, it will lead two issues: 1. The memory that allocated in mmcallochost is leaked. 2. In the remove path, mmcremovehos...

CVE-2022-50653 mmc: atmel-mci: fix return value check of mmc_add_host()

In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore its return value, it will lead two issues: 1. The memory that allocated in mmcallochost is leaked. 2. In the remove path, mmcremovehos...