DEBIAN-CVE-2022-49167

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not double complete bio on errors during compressed reads I hit some weird panics while fixing up the error handling from btrfslookupbiosums. Turns out the compression path will complete the bio we use if we set up any ...

CVE-2022-49168

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not clean up repair bio if submit fails The submit helper will always run bioendio on the bio if it fails to submit, so cleaning up the bio just leads to a variety of use-after-free and NULL pointer dereference bugs...

CVE-2022-49167

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not double complete bio on errors during compressed reads I hit some weird panics while fixing up the error handling from btrfslookupbiosums. Turns out the compression path will complete the bio we use if we set up any ...

AZL-59135 CVE-2022-49168 affecting package kernel for versions less than 5.15.184.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not clean up repair bio if submit fails The submit helper will always run bioendio on the bio if it fails to submit, so cleaning up the bio just leads to a variety of use-after-free and NULL pointer dereference bugs...

DEBIAN-CVE-2022-49168

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not clean up repair bio if submit fails The submit helper will always run bioendio on the bio if it fails to submit, so cleaning up the bio just leads to a variety of use-after-free and NULL pointer dereference bugs...

DEBIAN-CVE-2022-49079

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: traverse devices under chunkmutex in btrfscanactivatezone btrfscanactivatezone can be called with the devicelistmutex already held, which will lead to a deadlock: insertdevextents // Takes devicelistmutex -...

CVE-2022-49079

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: traverse devices under chunkmutex in btrfscanactivatezone btrfscanactivatezone can be called with the devicelistmutex already held, which will lead to a deadlock: insertdevextents // Takes devicelistmutex -...

CVE-2022-49068

In the Linux kernel, the following vulnerability has been resolved: btrfs: release correct delalloc amount in direct IO write path Running generic/406 causes the following WARNING in btrfsdestroyinode which tells there are outstanding extents left. In btrfsgetblocksdirectwrite, we reserve a...

CVE-2022-49075

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix qgroup reserve overflow the qgroup limit We use extentchangeset-byteschanged in qgroupreservedata to record how many bytes we set for EXTENTQGROUPRESERVED state. Currently the byteschanged is set as "unsigned int", and...

DEBIAN-CVE-2022-49075

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix qgroup reserve overflow the qgroup limit We use extentchangeset-byteschanged in qgroupreservedata to record how many bytes we set for EXTENTQGROUPRESERVED state. Currently the byteschanged is set as "unsigned int", and...

DEBIAN-CVE-2022-49068

In the Linux kernel, the following vulnerability has been resolved: btrfs: release correct delalloc amount in direct IO write path Running generic/406 causes the following WARNING in btrfsdestroyinode which tells there are outstanding extents left. In btrfsgetblocksdirectwrite, we reserve a...

UBUNTU-CVE-2022-49079

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: traverse devices under chunkmutex in btrfscanactivatezone btrfscanactivatezone can be called with the devicelistmutex already held, which will lead to a deadlock: insertdevextents // Takes devicelistmutex -...

UBUNTU-CVE-2022-49168

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not clean up repair bio if submit fails The submit helper will always run bioendio on the bio if it fails to submit, so cleaning up the bio just leads to a variety of use-after-free and NULL pointer dereference bugs...

UBUNTU-CVE-2022-49167

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not double complete bio on errors during compressed reads I hit some weird panics while fixing up the error handling from btrfslookupbiosums. Turns out the compression path will complete the bio we use if we set up any ...

UBUNTU-CVE-2022-49075

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix qgroup reserve overflow the qgroup limit We use extentchangeset-byteschanged in qgroupreservedata to record how many bytes we set for EXTENTQGROUPRESERVED state. Currently the byteschanged is set as "unsigned int", and...

UBUNTU-CVE-2022-49068

In the Linux kernel, the following vulnerability has been resolved: btrfs: release correct delalloc amount in direct IO write path Running generic/406 causes the following WARNING in btrfsdestroyinode which tells there are outstanding extents left. In btrfsgetblocksdirectwrite, we reserve a...

CVE-2022-49702 btrfs: fix hang during unmount when block group reclaim task is running

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix hang during unmount when block group reclaim task is running When we start an unmount, at closectree, if we have the reclaim task running and in the middle of a data block group relocation, we can trigger a deadlock wh...

CVE-2022-49702

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix hang during unmount when block group reclaim task is running When we start an unmount, at closectree, if we have the reclaim task running and in the middle of a data block group relocation, we can trigger a deadlock wh...

CVE-2022-49702 btrfs: fix hang during unmount when block group reclaim task is running

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix hang during unmount when block group reclaim task is running When we start an unmount, at closectree, if we have the reclaim task running and in the middle of a data block group relocation, we can trigger a deadlock wh...

CVE-2022-49702

Summary: CVE-2022-49702 concerns a deadlock in Linux kernel when unmounting a filesystem with an async block group reclaim task relocating data. Multiple reclaim tasks (block-group, metadata/data) can interact with a parked cleaner thread, leading to a hang during close_ctree()/unmount due to del...