Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992971)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992971 advisory. In the Linux kernel, the following vulnerability has been resolved: nbd: Fix hung when signal interrupts nbdstartdeviceioctl syzbot reported hung task 1. The followi...

EUVD-2022-55863

In the Linux kernel, the following vulnerability has been resolved: jbd2: add miss release buffer head in fcdoonepass In fcdoonepass miss release buffer head after use which will lead to reference count leak...

UBUNTU-CVE-2023-54227

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix tags leak when shrink nrhwqueues Although we don't need to realloc set-tags when shrink nrhwqueues, we need to free them. Or these tags will be leaked. How to reproduce: 1. mount -t configfs configfs /mnt 2. modprobe...

UBUNTU-CVE-2023-54317

In the Linux kernel, the following vulnerability has been resolved: dm flakey: don't corrupt the zero page When we need to zero some range on a block device, the function blkdevissuezeropages submits a write bio with the bio vector pointing to the zero page. If we use dm-flakey with corrupt bio...

CVE-2023-54227

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix tags leak when shrink nrhwqueues Although we don't need to realloc set-tags when shrink nrhwqueues, we need to free them. Or these tags will be leaked. How to reproduce: 1. mount -t configfs configfs /mnt 2. modprobe...

CVE-2022-50835

In the Linux kernel, the following vulnerability has been resolved: jbd2: add miss release buffer head in fcdoonepass In fcdoonepass miss release buffer head after use which will lead to reference count leak...

CVE-2023-54227 blk-mq: fix tags leak when shrink nr_hw_queues

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix tags leak when shrink nrhwqueues Although we don't need to realloc set-tags when shrink nrhwqueues, we need to free them. Or these tags will be leaked. How to reproduce: 1. mount -t configfs configfs /mnt 2. modprobe...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-992504)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992504 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: add bounds checking in getmaxinlinexattrvaluesize Normally the extended attributes in the...

PT-2025-53953

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference count leak exists in the fc do one pass function within the jbd2 component of the Linux kernel. This occurs due to a missing release of a buffer head after its use, leading t...

CVE-2025-68366

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config unlock in nbdgenlconnect There is one use-after-free warning when running NBDCMDCONNECT and NBDCLEARSOCK: nbdgenlconnect nbdallocandinitconfig // configrefs=1 nbdstartdevice // configrefs=2 set NBDRTHASCONFIGREF...

nbd: defer config put in recv_work

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nbd: defer config unlock in nbd_genl_connect

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SUSE CVE-2025-68348

In the Linux kernel, the following vulnerability has been resolved: block: fix memory leak in blkdevissuezeropages Move the fatal signal check before bioalloc to prevent a memory leak when BLKDEVZEROKILLABLE is set and a fatal signal is pending. Previously, the bio was allocated before checking f...

EUVD-2025-205106

In the Linux kernel, the following vulnerability has been resolved: block: fix memory leak in blkdevissuezeropages Move the fatal signal check before bioalloc to prevent a memory leak when BLKDEVZEROKILLABLE is set and a fatal signal is pending. Previously, the bio was allocated before checking f...

EUVD-2025-205088

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config unlock in nbdgenlconnect There is one use-after-free warning when running NBDCMDCONNECT and NBDCLEARSOCK: nbdgenlconnect nbdallocandinitconfig // configrefs=1 nbdstartdevice // configrefs=2 set NBDRTHASCONFIGREF...

CVE-2025-68372

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config put in recvwork There is one uaf issue in recvwork when running NBDCLEARSOCK and NBDCMDRECONFIGURE: nbdgenlconnect // confref=2 connect and recvwork A nbdopen // confref=3 recvwork A done // confref=2 NBDCLEARSO...

CVE-2025-68372

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config put in recvwork There is one uaf issue in recvwork when running NBDCLEARSOCK and NBDCMDRECONFIGURE: nbdgenlconnect // confref=2 connect and recvwork A nbdopen // confref=3 recvwork A done // confref=2 NBDCLEARSO...

AZL-73123 CVE-2025-68372 affecting package kernel for versions less than 6.6.121.1-1

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config put in recvwork There is one uaf issue in recvwork when running NBDCLEARSOCK and NBDCMDRECONFIGURE: nbdgenlconnect // confref=2 connect and recvwork A nbdopen // confref=3 recvwork A done // confref=2 NBDCLEARSO...

CVE-2025-68366

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config unlock in nbdgenlconnect There is one use-after-free warning when running NBDCMDCONNECT and NBDCLEARSOCK: nbdgenlconnect nbdallocandinitconfig // configrefs=1 nbdstartdevice // configrefs=2 set NBDRTHASCONFIGREF...

UBUNTU-CVE-2025-68372

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config put in recvwork There is one uaf issue in recvwork when running NBDCLEARSOCK and NBDCMDRECONFIGURE: nbdgenlconnect // confref=2 connect and recvwork A nbdopen // confref=3 recvwork A done // confref=2 NBDCLEARSO...