CVE-2022-49438

Input: sparcspkr - fix refcount leak in bbc_beep_probe

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 02:12 AM UTC
Updated: June 17, 2026 at 05:18 AM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: Input: sparcspkr - fix refcount leak in bbc_beep_probe of_find_node_by_path() calls of_find_node_opts_by_path(), which returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak.

Affected

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

2.6.26 ≤ v < 4.14.2832.6.26 ≤ v < 4.19.2472.6.26 ≤ v < 4.9.3182.6.26 ≤ v < 5.10.1212.6.26 ≤ v < 5.15.462.6.26 ≤ v < 5.17.142.6.26 ≤ v < 5.18.32.6.26 ≤ v < 5.192.6.26 ≤ v < 5.4.1984.10 ≤ v < 4.14.2834.15 ≤ v < 4.19.2474.20 ≤ v < 5.4.1985.11 ≤ v < 5.15.465.16 ≤ v < 5.17.145.18 ≤ v < 5.18.35.5 ≤ v < 5.10.1212.6.269c1a5077fdca99356c891af37931e537dea874f5
Vendor states this is fixed in 1124e39fea0e2fdb4202f95b716cb97cc7de7cc7 (fixed)
Vendor states this is fixed in 2f51db16cb740ff90086189a1ef2581eab665591 (fixed)
Vendor states this is fixed in 353bc58ac6c782d4dcde9136a91d1f90867938fe (fixed)
Vendor states this is fixed in 418b6a3e12f75638abc5673eb76cb32127d0ab13 (fixed)
Vendor states this is fixed in 6e07ccc7d56130f760d23f67a70c45366c07debc (fixed)
Vendor states this is fixed in 73d6f42d8d86648bec2e73d34fe1648cb6d23e08 (fixed)
Vendor states this is fixed in bbc2b0ce6042dd3117827f10ea8cb67e0ab786da (fixed)
Vendor states this is fixed in c8994b30d71d64d5dcc9bc0edbfdf367171aa96f (fixed)
Vendor states this is fixed in f13064b0f2c651a3fbb0749932795c6fd21556a8 (fixed)
Vendor states this is fixed in 2.6.26 (unaffected)
Vendor states this is fixed in 4.14.283 (unaffected)
Vendor states this is fixed in 4.19.247 (unaffected)
Vendor states this is fixed in 4.9.318 (unaffected)
Vendor states this is fixed in 5.10.121 (unaffected)
Vendor states this is fixed in 5.15.46 (unaffected)
Vendor states this is fixed in 5.17.14 (unaffected)
Vendor states this is fixed in 5.18.3 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)
Vendor states this is fixed in 5.4.198 (unaffected)

References (9)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1124e39fea0e2fdb4202f95b716cb97cc7de7cc7
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2f51db16cb740ff90086189a1ef2581eab665591
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/353bc58ac6c782d4dcde9136a91d1f90867938fe
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/418b6a3e12f75638abc5673eb76cb32127d0ab13
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/6e07ccc7d56130f760d23f67a70c45366c07debc
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/73d6f42d8d86648bec2e73d34fe1648cb6d23e08
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/bbc2b0ce6042dd3117827f10ea8cb67e0ab786da
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c8994b30d71d64d5dcc9bc0edbfdf367171aa96f

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-Other

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card