5.5
MEDIUM
CVE-2022-48730
Linux Kernel dma-buf Heaps Spectre v1
Description

In the Linux kernel, the following vulnerability has been resolved: dma-buf: heaps: Fix potential spectre v1 gadget It appears like nr could be a Spectre v1 gadget as it's supplied by a user and used as an array index. Prevent the contents of kernel memory from being leaked to userspace via speculative execution by using array_index_nospec. [sumits: added fixes and cc: stable tags]

INFO

Published Date :

June 20, 2024, 12:15 p.m.

Last Modified :

Jan. 6, 2025, 9:33 p.m.

Source :

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

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2022-48730 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-48730 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-48730 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jan. 06, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Added CWE NIST CWE-203
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.6 up to (excluding) 5.10.99 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.22 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 5.16.8 *cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*
    Changed Reference Type https://git.kernel.org/stable/c/24f8e12d965b24f8aea762589e0e9fe2025c005e No Types Assigned https://git.kernel.org/stable/c/24f8e12d965b24f8aea762589e0e9fe2025c005e Patch
    Changed Reference Type https://git.kernel.org/stable/c/24f8e12d965b24f8aea762589e0e9fe2025c005e No Types Assigned https://git.kernel.org/stable/c/24f8e12d965b24f8aea762589e0e9fe2025c005e Patch
    Changed Reference Type https://git.kernel.org/stable/c/5d40f1bdad3dd1a177f21a90ad4353c1ed40ba3a No Types Assigned https://git.kernel.org/stable/c/5d40f1bdad3dd1a177f21a90ad4353c1ed40ba3a Patch
    Changed Reference Type https://git.kernel.org/stable/c/5d40f1bdad3dd1a177f21a90ad4353c1ed40ba3a No Types Assigned https://git.kernel.org/stable/c/5d40f1bdad3dd1a177f21a90ad4353c1ed40ba3a Patch
    Changed Reference Type https://git.kernel.org/stable/c/92c4cfaee6872038563c5b6f2e8e613f9d84d47d No Types Assigned https://git.kernel.org/stable/c/92c4cfaee6872038563c5b6f2e8e613f9d84d47d Patch
    Changed Reference Type https://git.kernel.org/stable/c/92c4cfaee6872038563c5b6f2e8e613f9d84d47d No Types Assigned https://git.kernel.org/stable/c/92c4cfaee6872038563c5b6f2e8e613f9d84d47d Patch
    Changed Reference Type https://git.kernel.org/stable/c/cc8f7940d9c2d45f67b3d1a2f2b7a829ca561bed No Types Assigned https://git.kernel.org/stable/c/cc8f7940d9c2d45f67b3d1a2f2b7a829ca561bed Patch
    Changed Reference Type https://git.kernel.org/stable/c/cc8f7940d9c2d45f67b3d1a2f2b7a829ca561bed No Types Assigned https://git.kernel.org/stable/c/cc8f7940d9c2d45f67b3d1a2f2b7a829ca561bed Patch
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/24f8e12d965b24f8aea762589e0e9fe2025c005e
    Added Reference https://git.kernel.org/stable/c/5d40f1bdad3dd1a177f21a90ad4353c1ed40ba3a
    Added Reference https://git.kernel.org/stable/c/92c4cfaee6872038563c5b6f2e8e613f9d84d47d
    Added Reference https://git.kernel.org/stable/c/cc8f7940d9c2d45f67b3d1a2f2b7a829ca561bed
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Jun. 20, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: dma-buf: heaps: Fix potential spectre v1 gadget It appears like nr could be a Spectre v1 gadget as it's supplied by a user and used as an array index. Prevent the contents of kernel memory from being leaked to userspace via speculative execution by using array_index_nospec. [sumits: added fixes and cc: stable tags]
    Added Reference kernel.org https://git.kernel.org/stable/c/5d40f1bdad3dd1a177f21a90ad4353c1ed40ba3a [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/24f8e12d965b24f8aea762589e0e9fe2025c005e [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/cc8f7940d9c2d45f67b3d1a2f2b7a829ca561bed [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/92c4cfaee6872038563c5b6f2e8e613f9d84d47d [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-48730 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-48730 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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Latest DB Update: May. 13, 2025 18:21