CVE-2021-45868
Medium
Description
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMar 18, 2022
First seenMar 18, 2022
How to fix
Update
- linux linux_kernel5.15.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 5.15.3 | 5.15.3 |
| netapp h300s_firmware | No range specified | — |
| netapp h700s_firmware | No range specified | — |
| netapp h300e_firmware | No range specified | — |
| netapp h500e_firmware | No range specified | — |
| netapp h700e_firmware | No range specified | — |
| netapp h410s_firmware | No range specified | — |
| netapp h410c_firmware | No range specified | — |
| netapp h500s_firmware | No range specified | — |
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