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 informati
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.
| Vendor | Product | Versions |
|---|---|---|
| n | a / Kernel | 5.18-rc3 |
| Red Hat | Red Hat Enterprise Linux 6 | unspecified |
| Red Hat | Red Hat Enterprise Linux 7 | unspecified |
| Red Hat | Red Hat Enterprise Linux 7 | unspecified |
| Red Hat | Red Hat Enterprise Linux 8 | unspecified |
| Red Hat | Red Hat Enterprise Linux 8 | unspecified |
| Red Hat | Red Hat Enterprise Linux 9 | unspecified |
| Red Hat | Red Hat Enterprise Linux 9 | unspecified |
| Fedora | Fedora | unspecified |
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
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No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.