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CVE-2022-48907

auxdisplay: lcd2s: Fix memory leak in ->remove()

MEDIUM
5.5
CVSS Score
Published: August 22, 2024 at 01:30 AM UTC
Updated: June 17, 2026 at 05:16 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: auxdisplay: lcd2s: Fix memory leak in ->remove() Once allocated the struct lcd2s_data is never freed. Fix the memory leak by switching to devm_kzalloc().

Affected

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

Linux Kernel· Linux
95%
5.11 ≤ v < 5.15.275.11 ≤ v < 5.16.135.11 ≤ v < 5.175.16 ≤ v < 5.16.135.17 rc15.17 rc25.17 rc35.17 rc45.17 rc55.17 rc68c9108d014c5bd0f0da2e3544eb45dc56a6da92b
Vendor states this is fixed in 3585ed5f9b11a6094dd991d76a1541e5d03b986a (fixed)
Vendor states this is fixed in 5d53cd33f4253aa4cf02bf7e670b3c6a99674351 (fixed)
Vendor states this is fixed in 898c0a15425a5bcaa8d44bd436eae5afd2483796 (fixed)
Vendor states this is fixed in 5.11 (unaffected)
Vendor states this is fixed in 5.15.27 (unaffected)
Vendor states this is fixed in 5.16.13 (unaffected)
Vendor states this is fixed in 5.17 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3585ed5f9b11a6094dd991d76a1541e5d03b986a
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/5d53cd33f4253aa4cf02bf7e670b3c6a99674351
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/898c0a15425a5bcaa8d44bd436eae5afd2483796

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-401

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