Vulnerability in Linux Kernel
CVE-2019-16921
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.
Vulnerability class: Dirty Pipe (CVE-2022-0847)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.019 (79.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.019 · change: -0.001
Affected products
Weakness classification (CWE)
References
- github.com/torvalds/linux/commit/df7e40425813c50cd252e6f5e348a81ef1acae56 (Patch, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-16921?
- CVE-2019-16921 is a high-severity vulnerability in Linux Kernel, classified under Improper Initialization. CVSS score: 7.5/10. Published 2019-09-27.
- How severe is CVE-2019-16921?
- High severity. CVSS v3 base score is 7.5 out of 10.