5.5

CVE-2021-47319: linux

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2021-47319DEBIAN-CVE-2021-47319
Published 21-05-2024Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2021-47319 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 16.4% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.26%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 7
SUSE-SU-2024:1979-1SUSE-SU-2024:1983-1SUSE-SU-2024:2184-1USN-7797-1USN-7797-2USN-7797-3

Timeline

  1. 21-05-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: virtio-blk: Fix memory leak among suspend/resume procedure The vblk->vqs should be freed before we call init_vqs() in virtblk_restore().

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

0.00 pp

From 0.26% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.26%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu88 products
  • linuxAll versions (No fix recorded) | < 4.4.0-273.307 | < 4.15.0-156.163 | < 5.4.0-88.99
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.4.0-1148.154 | < 4.4.0-1186.201 | < 4.15.0-1111.118 | < 5.4.0-1057.60
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 6a27b656fc0210e976db362e1368c56db05c8f08, < 381bde79d11e596002edfd914e6714291826967a | ≥ 6a27b656fc0210e976db362e1368c56db05c8f08, < 102d6bc6475ab09bab579c18704e6cf8d898e93c | ≥ 6a27b656fc0210e976db362e1368c56db05c8f08, < 863da837964c80c72e368a4f748c30d25daa1815 | ≥ 6a27b656fc0210e976db362e1368c56db05c8f08, < 600942d2fd49b90e44857d20c774b20d16f3130f | ≥ 6a27b656fc0210e976db362e1368c56db05c8f08, < 04c6e60b884cb5e94ff32af46867fb41d5848358 | ≥ 6a27b656fc0210e976db362e1368c56db05c8f08, < cd24da0db9f75ca11eaf6060f0ccb90e2f3be3b0 | ≥ 6a27b656fc0210e976db362e1368c56db05c8f08, < ca2b8ae93a6da9839dc7f9eb9199b18aa03c3dae | ≥ 6a27b656fc0210e976db362e1368c56db05c8f08, < 29a2f4a3214aa14d61cc9737c9f886dae9dbb710 | ≥ 6a27b656fc0210e976db362e1368c56db05c8f08, < b71ba22e7c6c6b279c66f53ee7818709774efa1f | 3.17
  • linux_kernel< 4.4.276 | ≥ 4.5, < 4.9.276 | ≥ 4.10, < 4.14.240 | ≥ 4.15, < 4.19.198 | ≥ 4.20, < 5.4.134 | ≥ 5.5, < 5.10.52 | ≥ 5.11, < 5.12.19 | ≥ 5.13, < 5.13.4
Debian1 product
  • linux< 5.14.6-1

3 vendors · 91 products

References

17 links
Show all 17 references