CVE-2022-49855

net: wwan: iosm: fix memory leak in ipc_pcie_read_bios_cfg

MEDIUM
5.5
CVSS Score
Published: May 1, 2025 at 02:10 PM UTC
Updated: June 17, 2026 at 05:19 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: net: wwan: iosm: fix memory leak in ipc_pcie_read_bios_cfg ipc_pcie_read_bios_cfg() is using the acpi_evaluate_dsm() to obtain the wwan power state configuration from BIOS but is not freeing the acpi_object. The acpi_evaluate_dsm() returned acpi_object to be freed. Free the acpi_object after use.

Affected

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

5.14 ≤ v < 5.15.795.14 ≤ v < 6.0.95.14 ≤ v < 6.15.16 ≤ v < 6.0.96.1 rc16.1 rc26.1 rc36.1 rc47e98d785ae6184c7580a33619dae8b651769ff08
Vendor states this is fixed in 13b1ea861e8aeb701bcfbfe436b943efa2d44029 (fixed)
Vendor states this is fixed in 7560ceef4d2832a67e8781d924e129c7f542376f (fixed)
Vendor states this is fixed in d38a648d2d6cc7bee11c6f533ff9426a00c2a74c (fixed)
Vendor states this is fixed in 5.14 (unaffected)
Vendor states this is fixed in 5.15.79 (unaffected)
Vendor states this is fixed in 6.0.9 (unaffected)
Vendor states this is fixed in 6.1 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/13b1ea861e8aeb701bcfbfe436b943efa2d44029
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7560ceef4d2832a67e8781d924e129c7f542376f
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d38a648d2d6cc7bee11c6f533ff9426a00c2a74c

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
CWE-401

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