5.5

CVE-2021-47104: IB/qib: Fix memory leak in qib_user_sdma_queue_pkts()

Analyzed
AliasesUBUNTU-CVE-2021-47104DEBIAN-CVE-2021-47104
Published 04-03-2024Last modified 23-05-2026

Vulnerability summary

CVE-2021-47104 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 12 · Related 12
SUSE-SU-2024:1320-1SUSE-SU-2024:1321-1SUSE-SU-2024:1466-1SUSE-SU-2024:1480-1SUSE-SU-2024:1490-1SUSE-SU-2024:1643-1

Timeline

  1. 04-03-2024
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

Description

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")

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.24% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu81 products
  • linux< 5.4.0-105.119
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.4.0-1069.73
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ bda41654b6e0c125a624ca35d6d20beb8015b5d0, < 1ced0a3015a95c6a6db45e37250912c4c86697ab | ≥ 3f57c3f67fd93b4da86aeffea1ca32c484d054ad, < 76b648063eb36c72dfc0a6896de8a0a7d2c7841c | ≥ 60833707b968d5ae02a75edb7886dcd4a957cf0d, < d53456492b5d02033c73dfa0f3b94c86337791ba | ≥ 73d2892148aa4397a885b4f4afcfc5b27a325c42, < 0aaec9c5f60754b56f84460ea439b8c5e91f4caa | ≥ 0f8cdfff06829a0b0348b6debc29ff6a61967724, < 79dcbd8176152b860028b62f81a635d987365752 | ≥ c3e17e58f571f34c51aeb17274ed02c2ed5cf780, < 7cf6466e00a77b0a914b7b2c28a1fc7947d55e59 | ≥ d39bf40e55e666b5905fdbd46a0dced030ce87be, < aefcc25f3a0cd28a87d11d41d30419a12cd26a34 | ≥ d39bf40e55e666b5905fdbd46a0dced030ce87be, < bee90911e0138c76ee67458ac0d58b38a3190f65 | 0d4395477741608d123dad51def9fe50b7ebe952 | ≥ 4.4.292, < 4.4.297 | ≥ 4.9.290, < 4.9.295 | ≥ 4.14.255, < 4.14.260 | ≥ 4.19.216, < 4.19.223 | ≥ 5.4.157, < 5.4.169 | ≥ 5.10.77, < 5.10.89 | ≥ 5.14.16, < 5.15 | 5.15
  • linux_kernel≥ 4.4.292, < 4.4.297 | ≥ 4.9.290, < 4.9.295 | ≥ 4.14.255, < 4.14.260 | ≥ 4.19.216, < 4.19.223 | ≥ 5.4.157, < 5.4.169 | ≥ 5.10.77, < 5.10.89 | ≥ 5.15, < 5.15.12 | 5.16:rc1 | 5.16:rc2 | 5.16:rc3 | 5.16:rc4 | 5.16:rc5 | 5.16:rc6
Debian1 product
  • linux< 5.15.15-1

3 vendors · 84 products

References

12 links
Show all 12 references