Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990483)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990483 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix information leak in btrfsioctllogicaltoino Syzbot reported the following information...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990243)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990243 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix quota root leak after quota disable failure If during the quota disable we fai...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989248)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989248 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix abort logic in btrfsreplacefileextents Error injection testing uncovered a case where...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988844)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988844 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix sleep from invalid context bug in btrfsqgroupinherit Syzkaller reported BUG as...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990042)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990042 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix information leak in btrfsioctllogicaltoino Syzbot reported the following information...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-989425)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989425 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race between quota rescan and disable leading to NULL pointer deref If we have one ta...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989578)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989578 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix quota root leak after quota disable failure If during the quota disable we fai...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989606)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989606 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between quota disable and qgroup rescan worker Quota disable ioctl starts a...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988680)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988680 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix hang during unmount when stopping a space reclaim worker Often when running generic/5...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989478)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989478 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: flush delalloc workers queue before stopping cleaner kthread during unmount During the...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988653)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988653 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix memory leak in addinoderef Line 1169 3 allocates a memory chunk for victimname by...

Unity Linux 20.1050e Security Update: kernel (UTSA-2025-990181)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990181 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix qgroup reserve overflow the qgroup limit We use extentchangeset-byteschanged in...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990212)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990212 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix information leak in btrfsioctllogicaltoino Syzbot reported the following information...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989652)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989652 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix memory ordering between normal and ordered work functions Ordered work functions aren'...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988743)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988743 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix qgroup reserve overflow the qgroup limit We use extentchangeset-byteschanged in...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990188)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990188 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: flush delalloc workers queue before stopping cleaner kthread during unmount During the...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: subpage: keep the TOWRITE tag until the folio is cleaned The btrfssubpagesetwriteback function calls foliostartwriteback the first time a folio is written back. It also clears the PAGECACHETAGTOWRITE tag, even if there...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix race between quota disable and quota rescan ioctl There is a race between a task that disables quotas and another task that runs the rescan ioctl. This can lead to a use-after-free of qgroup records from the...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a race condition related to block group refcounts in btrfscreatependingblockgroups. The creation of block groups occurs in two phases, resulting in a somewhat unintuitive behavior: A block group can be...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: perform proper folio cleanup when cowfilerange fails BUG When testing with COW fixup marked as BUGON this involves the new pinuserpages change, which should not result in new out-of-band dirty pages, I encountered a crash...