Vulnerability Description
In the Linux kernel before 4.17, hns_roce_alloc_ucontext in drivers/infiniband/hw/hns/hns_roce_main.c does not initialize the resp data structure, which might allow attackers to obtain sensitive information from kernel stack memory, aka CID-df7e40425813.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.17 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=df7e4PatchVendor Advisory
- https://github.com/torvalds/linux/commit/df7e40425813c50cd252e6f5e348a81ef1acae5PatchThird Party Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=df7e4PatchVendor Advisory
- https://github.com/torvalds/linux/commit/df7e40425813c50cd252e6f5e348a81ef1acae5PatchThird Party Advisory
FAQ
What is CVE-2019-16921?
CVE-2019-16921 is a vulnerability with a CVSS score of 7.5 (HIGH). In the Linux kernel before 4.17, hns_roce_alloc_ucontext in drivers/infiniband/hw/hns/hns_roce_main.c does not initialize the resp data structure, which might allow attackers to obtain sensitive infor...
How severe is CVE-2019-16921?
CVE-2019-16921 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-16921?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.