CVE-2019-16921
HIGH
7.5
CVSS Score
Published: September 27, 2019 at 12:07 PM UTC
Updated: June 17, 2026 at 02:22 AM UTC
1 product affected across 1 vendorLinux Kernel
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Severity
HIGH7.5
Exploit prediction
EPSS 2%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 4.17
Affected range stops below 4.17, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (2)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=df7e40425813c50cd252e6f5e348a81ef1acae56x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/torvalds/linux/commit/df7e40425813c50cd252e6f5e348a81ef1acae56CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-665
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