CVE-2021-45868

In the Linux kernel before 5.15.3, fs/quota/quota_tree.c does not validate the block number in the quota tree (on disk)

published March 18, 2022

CVSS
—
EPSS
1%
Percentile
71.1
In the wild
Unconfirmed
What it is

In the Linux kernel before 5.15.3, fs/quota/quota_tree.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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01339 · 71.1th percentile
Published
2022-03-18T06:22Z
EPSS history
Timeline
  • 18 MAR 06:22Z
    In the Linux kernel before 5.15.3, fs/quota/quota_tree.c does not validate the block number in the quota tree (on disk)
    cvelistv5