CVE-2023-4389
High
Description
A flaw was found in btrfs_get_root_ref in fs/btrfs/disk-io.c in the btrfs filesystem in the Linux Kernel due to a double decrement of the reference count. This issue may allow a local attacker with user privilege to crash the system or may lead to leaked internal kernel information.
SeverityHigh
CVSS7.0
Exploit probability—
Product
Linux Kernel
PublishedAug 16, 2023
First seenAug 16, 2023
Weakness typeCWE-415CWE-415
How to fix
Update
- linux linux_kernel5.10.112, 5.15.35, 5.17.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.7 ≤ v < 5.10.112, 5.11 ≤ v < 5.15.35, 5.16 ≤ v < 5.17.4 | 5.10.112, 5.15.35, 5.17.4 |
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