1. Home
  2. Vulnerabilities
  3. CVE-2026-89877
8.4
HIGH CVSS 3.1
CVE-2026-89877
media: saa7164: fix cleanup on resource allocation failure
Overview
Description

In the Linux kernel, the following vulnerability has been resolved: media: saa7164: fix cleanup on resource allocation failure saa7164_dev_setup() adds the device to the global saa7164_devlist before requesting the PCI BAR memory regions. If get_resources() fails, saa7164_dev_setup() decrements the device count and returns an error, but leaves the device on saa7164_devlist. The probe error path then frees the device, leaving a dangling entry on the global list. Reuse the existing MMIO mapping error path to remove the device from saa7164_devlist and decrement the device count before returning. Also release BAR0 if it was successfully requested but the BAR2 request fails.

Details
INFO

Published Date :

Sept. 16, 2026, 11:16 a.m.

Last Modified :

Sept. 16, 2026, 3:18 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Impact
Affected Products

The following products are affected by CVE-2026-89877 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
: Total Affected Vendor : 1 | Products : 1
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
Fix resource allocation cleanup to prevent dangling entries and memory issues.
  • Apply the provided kernel patch.
  • Update the Linux kernel to the latest stable version.
  • Ensure proper resource management in device setup.
  • Release allocated BARs on failure.
References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-89877.

URL Resource
https://git.kernel.org/stable/c/28e84c6e2e6753ed238ea097b2842a32a6a6879b
https://git.kernel.org/stable/c/4d2048466af9e2c960c5be6dcd317e3b657d268b
https://git.kernel.org/stable/c/69259c627009bf7621010ae9e997dad2dad3339c
https://git.kernel.org/stable/c/77f216f8de6221efb6f6c471bc9e598f1879825b
https://git.kernel.org/stable/c/daa5b32cdf7db81a07ee2a91ce092a363e7754aa
https://git.kernel.org/stable/c/fc65623524b5bf23baddc6ae688d954fba0d5de2
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-89877 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-2026-89877 weaknesses.

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-2026-89877 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-89877 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.

  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Sep. 16, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Sep. 16, 2026

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: media: saa7164: fix cleanup on resource allocation failure saa7164_dev_setup() adds the device to the global saa7164_devlist before requesting the PCI BAR memory regions. If get_resources() fails, saa7164_dev_setup() decrements the device count and returns an error, but leaves the device on saa7164_devlist. The probe error path then frees the device, leaving a dangling entry on the global list. Reuse the existing MMIO mapping error path to remove the device from saa7164_devlist and decrement the device count before returning. Also release BAR0 if it was successfully requested but the BAR2 request fails.
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/89xxx/CVE-2026-89877.json">CVE-2026-89877</a>
    Added Reference https://git.kernel.org/stable/c/28e84c6e2e6753ed238ea097b2842a32a6a6879b
    Added Reference https://git.kernel.org/stable/c/4d2048466af9e2c960c5be6dcd317e3b657d268b
    Added Reference https://git.kernel.org/stable/c/69259c627009bf7621010ae9e997dad2dad3339c
    Added Reference https://git.kernel.org/stable/c/77f216f8de6221efb6f6c471bc9e598f1879825b
    Added Reference https://git.kernel.org/stable/c/daa5b32cdf7db81a07ee2a91ce092a363e7754aa
    Added Reference https://git.kernel.org/stable/c/fc65623524b5bf23baddc6ae688d954fba0d5de2
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.
CVSS
Vulnerability Scoring Details
Base CVSS Score: 8.4
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact