Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / Kernel | unaffected 5.18-rc3 |
| Red Hat / Red Hat Enterprise Linux 6 | unaffected |
| Red Hat / Red Hat Enterprise Linux 7 | unaffected |
| Red Hat / Red Hat Enterprise Linux 7 | unaffected |
| Red Hat / Red Hat Enterprise Linux 8 | unaffected |
| Red Hat / Red Hat Enterprise Linux 8 | unaffected |
| Red Hat / Red Hat Enterprise Linux 9 | unaffected |
| Red Hat / Red Hat Enterprise Linux 9 | unaffected |
| Fedora / Fedora | unaffected |
CWE
CWE-415
References
- https://access.redhat.com/security/cve/CVE-2023-4389
- https://bugzilla.redhat.com/show_bug.cgi?id=2219271
- https://patchwork.kernel.org/project/linux-btrfs/patch/20220324134454.15192-1-baijiaju1990@gmail.com/
ADP enrichment
No English description supplied.
No English description supplied.
No references supplied.