Vulnerability Description
In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and unmounting can lead to a use-after-free in btrfs_queue_work in fs/btrfs/async-thread.c.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.12, < 4.19.156 |
| Netapp | Active Iq Unified Manager | - |
| Netapp | Cloud Backup | - |
| Netapp | Steelstore Cloud Integrated Storage | - |
| Netapp | Solidfire Baseboard Management Controller | - |
Related Weaknesses (CWE)
References
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19377ExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20200103-0001/Third Party AdvisoryVDB Entry
- https://usn.ubuntu.com/4367-1/Third Party Advisory
- https://usn.ubuntu.com/4369-1/Third Party Advisory
- https://usn.ubuntu.com/4414-1/Third Party Advisory
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19377ExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20200103-0001/Third Party AdvisoryVDB Entry
- https://usn.ubuntu.com/4367-1/Third Party Advisory
- https://usn.ubuntu.com/4369-1/Third Party Advisory
- https://usn.ubuntu.com/4414-1/Third Party Advisory
FAQ
What is CVE-2019-19377?
CVE-2019-19377 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and unmounting can lead to a use-after-free in btrfs_queue_work in fs/btrfs/async-thread.c.
How severe is CVE-2019-19377?
CVE-2019-19377 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-19377?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Netapp Active Iq Unified Manager, Netapp Cloud Backup, Netapp Steelstore Cloud Integrated Storage, Netapp Solidfire Baseboard Management Controller.