7.1

CVE-2021-47083: pinctrl: mediatek: fix global-out-of-bounds issue

Modified
AliasesUBUNTU-CVE-2021-47083DEBIAN-CVE-2021-47083
Published 04-03-2024Last modified 05-08-2026

Vulnerability summary

CVE-2021-47083 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.23%
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 9 · Related 9
SUSE-SU-2024:0855-1SUSE-SU-2024:0856-1SUSE-SU-2024:0857-1SUSE-SU-2024:0900-1SUSE-SU-2024:0900-2SUSE-SU-2024:0926-1

Timeline

  1. 04-03-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: pinctrl: mediatek: fix global-out-of-bounds issue When eint virtual eint number is greater than gpio number, it maybe produce 'desc[eint_n]' size globle-out-of-bounds issue.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

14%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.23% 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.

Ubuntu84 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≥ fb5fa8dc151b2364c975a9070eedb28a354a995a, < f373298e1bf0c6ea097c0bcc558dc43ad53e421f | ≥ fb5fa8dc151b2364c975a9070eedb28a354a995a, < 441d3873664d170982922c5d2fc01fa89d9439ed | ≥ fb5fa8dc151b2364c975a9070eedb28a354a995a, < fb563baa3eb8e7a15f2cff3c2695e2cca0493e69 | ≥ fb5fa8dc151b2364c975a9070eedb28a354a995a, < 2d5446da5acecf9c67db1c9d55ae2c3e5de01f8d | 4.20
  • linux_kernel< 5.4.169 | ≥ 5.5, < 5.10.89 | ≥ 5.11, < 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 · 87 products

References

8 links