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CVE-2022-48904

Sept. 12, 2024, 1:55 p.m.

CVSS Score

5.5 / 10

Products Impacted

Vendor Product Versions
linux
  • linux_kernel
  • *, 5.17

Description

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix I/O page table memory leak The current logic updates the I/O page table mode for the domain before calling the logic to free memory used for the page table. This results in IOMMU page table memory leak, and can be observed when launching VM w/ pass-through devices. Fix by freeing the memory used for page table before updating the mode.

Weaknesses

CWE-401
Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.

CWE ID: 401

Date

Published: Aug. 22, 2024, 2:15 a.m.

Last Modified: Sept. 12, 2024, 1:55 p.m.

Status : Analyzed

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

416baaa9-dc9f-4396-8d5f-8c081fb06d67

CPEs

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
o linux linux_kernel / / / / / / / /
o linux linux_kernel / / / / / / / /
o linux linux_kernel 5.17 rc1 / / / / / /
o linux linux_kernel 5.17 rc2 / / / / / /
o linux linux_kernel 5.17 rc3 / / / / / /
o linux linux_kernel 5.17 rc4 / / / / / /
o linux linux_kernel 5.17 rc5 / / / / / /
o linux linux_kernel 5.17 rc6 / / / / / /

CVSS Data

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Base Score
5.5
Exploitability Score
1.8
Impact Score
3.6
Base Severity
MEDIUM
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

https://git.kernel.org/ 416baaa9-dc9f-4396-8d5f-8c081fb06d67

https://git.kernel.org/ 416baaa9-dc9f-4396-8d5f-8c081fb06d67

https://git.kernel.org/ 416baaa9-dc9f-4396-8d5f-8c081fb06d67