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CVE-2021-47083

pinctrl: mediatek: fix global-out-of-bounds issue

HIGH
7.1
CVSS Score
Published: March 4, 2024 at 06:06 PM UTC
Updated: August 5, 2026 at 09:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
v < 5.4.1694.20 ≤ v < 5.10.894.20 ≤ v < 5.15.124.20 ≤ v < 5.164.20 ≤ v < 5.4.1695.11 ≤ v < 5.15.125.5 ≤ v < 5.10.895.16 rc15.16 rc25.16 rc35.16 rc45.16 rc55.16 rc6fb5fa8dc151b2364c975a9070eedb28a354a995a
Vendor states this is fixed in 2d5446da5acecf9c67db1c9d55ae2c3e5de01f8d (fixed)
Vendor states this is fixed in 441d3873664d170982922c5d2fc01fa89d9439ed (fixed)
Vendor states this is fixed in f373298e1bf0c6ea097c0bcc558dc43ad53e421f (fixed)
Vendor states this is fixed in fb563baa3eb8e7a15f2cff3c2695e2cca0493e69 (fixed)
Vendor states this is fixed in 4.20 (unaffected)
Vendor states this is fixed in 5.10.89 (unaffected)
Vendor states this is fixed in 5.15.12 (unaffected)
Vendor states this is fixed in 5.16 (unaffected)
Vendor states this is fixed in 5.4.169 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2d5446da5acecf9c67db1c9d55ae2c3e5de01f8d
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/441d3873664d170982922c5d2fc01fa89d9439ed
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f373298e1bf0c6ea097c0bcc558dc43ad53e421f
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/fb563baa3eb8e7a15f2cff3c2695e2cca0493e69

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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