The vulnerability of the invalidate_dquots() function in the fs/quota/dquot.c file of the Linux kernel file system allows a attacker to trigger a service failure.

The vulnerability of the invalidatedquots function in the fs/quota/dquot.c file of the Linux kernel file system is related to incorrect initialization of resources. Exploiting this vulnerability could allow an attacker to cause service failures...

CVE-2021-45868

CVE-2021-45868: Linux kernel before 5.15.3 does not validate the on-disk quota_tree block number in quota_tree.c, which can lead to a use-after-free in kernel/locking/rwsem.c if a quota file is corrupted. Affected: Linux kernel up to 5.15.2 (and older) with quota support. Impact: potential kernel...

CVE-2021-45868

In the Linux kernel before 5.15.3, fs/quota/quotatree.c does not validate the block number in the quota tree on disk. This can, for example, lead to a kernel/locking/rwsem.c use-after-free if there is a corrupted quota file...

CVE-2021-45868: Use After Free

In the Linux kernel before 5.15.3, fs/quota/quotatree.c does not validate the block number in the quota tree on disk. This can, for example, lead to a kernel/locking/rwsem.c use-after-free if there is a corrupted quota file...