Unrated severityNVD Advisory· Published Dec 17, 2019· Updated Aug 5, 2024
CVE-2019-19813
CVE-2019-19813
Description
In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in __mutex_lock in kernel/locking/mutex.c. This is related to mutex_can_spin_on_owner in kernel/locking/mutex.c, __btrfs_qgroup_free_meta in fs/btrfs/qgroup.c, and btrfs_insert_delayed_items in fs/btrfs/delayed-inode.c.
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Affected products
2- Linux/Linux kerneldescription
- Range: 5.0.21
Patches
Vulnerability mechanics
References
5- usn.ubuntu.com/4414-1/mitrevendor-advisoryx_refsource_UBUNTU
- github.com/bobfuzzer/CVE/tree/master/CVE-2019-19813mitrex_refsource_MISC
- lists.debian.org/debian-lts-announce/2020/09/msg00025.htmlmitremailing-listx_refsource_MLIST
- lists.debian.org/debian-lts-announce/2021/03/msg00010.htmlmitremailing-listx_refsource_MLIST
- security.netapp.com/advisory/ntap-20200103-0001/mitrex_refsource_CONFIRM
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