Vulnerability Description
The block subsystem in the Linux kernel before 5.2 has a use-after-free that can lead to arbitrary code execution in the kernel context and privilege escalation, aka CID-c3e2219216c9. This is related to blk_mq_free_rqs and blk_cleanup_queue.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | 5.2 |
| Netapp | Cloud Backup | - |
| Netapp | Solidfire \& Hci Management Node | - |
| Netapp | Solidfire Baseboard Management Controller Firmware | - |
| Netapp | Solidfire Baseboard Management Controller | - |
| Netapp | H300S Firmware | - |
| Netapp | H300S | - |
| Netapp | H500S Firmware | - |
| Netapp | H500S | - |
| Netapp | H700S Firmware | - |
| Netapp | H700S | - |
| Netapp | H300E Firmware | - |
| Netapp | H300E | - |
| Netapp | H500E Firmware | - |
| Netapp | H500E | - |
| Netapp | H700E Firmware | - |
| Netapp | H700E | - |
| Netapp | H410S Firmware | - |
| Netapp | H410S | - |
| Netapp | H410C Firmware | - |
Related Weaknesses (CWE)
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2PatchVendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c3Mailing ListPatchVendor Advisory
- https://security.netapp.com/advisory/ntap-20210629-0006/Third Party Advisory
- https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-blk_mq_free_Third Party Advisory
- https://syzkaller.appspot.com/bug?id=36fe241584203cf394d44560a42e3430434f1213ExploitThird Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2PatchVendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c3Mailing ListPatchVendor Advisory
- https://security.netapp.com/advisory/ntap-20210629-0006/Third Party Advisory
- https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-blk_mq_free_Third Party Advisory
- https://syzkaller.appspot.com/bug?id=36fe241584203cf394d44560a42e3430434f1213ExploitThird Party Advisory
FAQ
What is CVE-2019-25044?
CVE-2019-25044 is a vulnerability with a CVSS score of 7.8 (HIGH). The block subsystem in the Linux kernel before 5.2 has a use-after-free that can lead to arbitrary code execution in the kernel context and privilege escalation, aka CID-c3e2219216c9. This is related ...
How severe is CVE-2019-25044?
CVE-2019-25044 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-2019-25044?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Netapp Cloud Backup, Netapp Solidfire \& Hci Management Node, Netapp Solidfire Baseboard Management Controller Firmware, Netapp Solidfire Baseboard Management Controller.