CVE-2026-43163

Impact: Linux kernel md/bitmap component vulnerable to a use-after-free race during array resize, causing a General Protection Fault in write_page. Root cause: concurrent access to bitmap->storage.filemap between bitmap_daemon_work() and __bitmap_resize(), with md_bitmap_file_unmap() freeing s...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the reuse of freed memory during the resize operation in the md/bitmap functions. This could...

PT-2026-37503

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free race condition exists between the bitmap daemon work and bitmap resize functions. The daemon iterates over bitmap-storage.filemap without proper locking, while the resiz...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004832)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004832 advisory. In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of mdbitmapgetcounter Check the return value of...

Azure Linux 3.0 Security Update: hyperv-daemons (CVE-2024-35787)

The version of hyperv-daemons installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-35787 advisory. - In the Linux kernel, the following vulnerability has been resolved: md/md-bitmap: fix incorrect usag...

ROS-20260119-7316

A vulnerability in the md/md-bitmap component of the Linux operating system kernel is related to insufficient input validation. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

Unity Linux 20.1060a Security Update: kernel (UTSA-2025-993174)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993174 advisory. In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of mdbitmapgetcounter Check the return value of...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992376)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992376 advisory. In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of mdbitmapgetcounter Check the return value of...

md/md-bitmap: fix wrong bitmap_limit for clustermd when write sb

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Unity Linux 20.1050e Security Update: kernel (UTSA-2025-989927)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989927 advisory. In the Linux kernel, the following vulnerability has been resolved: md/bitmap: don't set sb values if can't pass sanity check If bitmap area contains invalid data,...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-383542)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-383542 advisory. In the Linux kernel, the following vulnerability has been resolved: md: fix resync softlockup when bitmap size is less than array size Is is reported that for...

Linux Distros Unpatched Vulnerability : CVE-2022-50402

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drivers/md/md-bitmap: check the return value of mdbitmapgetcounter Check the return value of mdbitmapgetcounter in case it returns NULL pointer, which will resu...

SUSE CVE-2022-50402

In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of mdbitmapgetcounter Check the return value of mdbitmapgetcounter in case it returns NULL pointer, which will result in a null pointer dereference. v2: update the check to include oth...

CVE-2022-50402

In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of mdbitmapgetcounter Check the return value of mdbitmapgetcounter in case it returns NULL pointer, which will result in a null pointer dereference. v2: update the check to include oth...

CVE-2022-50402

In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of mdbitmapgetcounter Check the return value of mdbitmapgetcounter in case it returns NULL pointer, which will result in a null pointer dereference. v2: update the check to include oth...

DEBIAN-CVE-2022-50402

In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of mdbitmapgetcounter Check the return value of mdbitmapgetcounter in case it returns NULL pointer, which will result in a null pointer dereference. v2: update the check to include oth...

UBUNTU-CVE-2022-50402

In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of mdbitmapgetcounter Check the return value of mdbitmapgetcounter in case it returns NULL pointer, which will result in a null pointer dereference. v2: update the check to include oth...

CVE-2022-50402 drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()

In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of mdbitmapgetcounter Check the return value of mdbitmapgetcounter in case it returns NULL pointer, which will result in a null pointer dereference. v2: update the check to include oth...

CVE-2022-50402 drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()

In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of mdbitmapgetcounter Check the return value of mdbitmapgetcounter in case it returns NULL pointer, which will result in a null pointer dereference. v2: update the check to include oth...

CVE-2022-50402

CVE-2022-50402 concerns Linux kernel’s md-bitmap code. The vulnerability arises from not validating the return value of md_bitmap_get_counter(), which can lead to a NULL pointer dereference. The issue was resolved by updating the code to check the return value and guard against NULL dereferences;...