CVE-2021-28964
A race condition was discovered in get_old_root in fs/btrfs/ctree.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (BUG) because of a lack of locking on an extent buffer before a cloning operation, aka CID-dbcc7d57bffc.
- Score
- CVSS 3.1 4.7 Medium
- Status
- Modified - cve@mitre.org
- Published
- 2021-03-22
- Last modified
- 2024-08-03
- Weaknesses
- CWE-362
Affected products
- Debian Linux (Debian)
- Fedora (Fedoraproject)
- Linux Kernel (Linux)
- Aff A250 Firmware (Netapp)
- Cloud Backup (Netapp)
- Fas 500f Firmware (Netapp)
- Solidfire Baseboard Management Controller Firmware (Netapp)
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dbcc7d57bffc0c8cac9dac11bec548597d59a6a5
- https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
- https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4VCKIOXCOZGXBEZMO5LGGV…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PTRNPQTZ4GVS46SZ4OBXY5…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T2S3I4SLRNRUQDOFYUS6IU…
- https://security.netapp.com/advisory/ntap-20210430-0003/
