Vulnerability in Linux

CVE-2021-47104

In the Linux kernel, the following vulnerability has been resolved: IB/qib: Fix memory leak in qib_user_sdma_queue_pkts() The wrong goto label was used for the error case and missed cleanup of the pkt allocation. Addresses-Coverity-ID: 1493352 ("Resource leak")

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (13.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-47104: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Linux — versions 4.14.255, 4.4.297, 0f8cdfff06829a0b0348b6debc29ff6a61967724
  • Linux Kernel — versions 5.16

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-47104?
CVE-2021-47104 is a medium-severity vulnerability in Linux, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2024-03-04.
How severe is CVE-2021-47104?
Medium severity. CVSS v3 base score is 5.5 out of 10.