RHSA-2025:14136
Vulnerability from csaf_redhat - Published: 2025-08-20 08:10 - Updated: 2026-11-11 18:40Summary
Red Hat Security Advisory: kernel security update
Severity
Moderate
Notes
Topic: An update for kernel is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: media: uvcvideo: Fix double free in error path (CVE-2024-57980)
* kernel: HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove() (CVE-2025-21928)
* kernel: can: peak_usb: fix use after free bugs (CVE-2021-47670)
* kernel: misc/vmw_vmci: fix an infoleak in vmci_host_do_receive_datagram() (CVE-2022-49788)
* kernel: ext4: avoid resizing to a partial cluster size (CVE-2022-50020)
* kernel: net: ch9200: fix uninitialised access during mii_nway_restart (CVE-2025-38086)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in the Linux kernel's Controller Area Network (CAN) PEAK-System USB driver. A local user with access to an affected CAN interface could cause a denial of service (DoS) or potentially execute arbitrary code. This vulnerability occurs because the driver accesses packet memory after it has already been freed, leading to a use-after-free condition during frame processing.
7.0 (High)
Affected products
Fixed
25 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:bpftool-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:bpftool-debuginfo-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-0:4.18.0-193.164.1.el8_2.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-abi-whitelists-0:4.18.0-193.164.1.el8_2.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-core-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-debug-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-debug-core-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-debug-debuginfo-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-debug-devel-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-debug-modules-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-debug-modules-extra-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-debuginfo-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-debuginfo-common-x86_64-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-devel-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-doc-0:4.18.0-193.164.1.el8_2.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-modules-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-modules-extra-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-tools-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-tools-debuginfo-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:kernel-tools-libs-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:perf-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:perf-debuginfo-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:python3-perf-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: BaseOS-8.2.0.Z.AUS:python3-perf-debuginfo-0:4.18.0-193.164.1.el8_2.x86_64 | — |
Vendor Fix
fix
|
Threats
Impact
Moderate
A flaw was found in the Linux kernel's VMware Virtual Machine Communication Interface (VMCI) driver. Memory structures allocated for queue pair event notifications contain uninitialized padding bytes that are copied directly to user space. A local attacker with access to the VMCI device can exploit this flaw to leak sensitive information from kernel memory.
7.1 (High)
Affected products
Fixed
25 products, the same list as for
CVE-2021-47670
Threats
Impact
Moderate
A flaw was found in the Linux kernel's ext4 file system. This vulnerability allows a local user with administrative privileges to cause a Denial of Service (DoS) by triggering a system crash. When executing an online resize to a size that is not aligned with the cluster boundaries, the resizing routine miscalculates the final iteration, leading to an assertion failure and file system metadata corruption.
7.0 (High)
Affected products
Fixed
25 products, the same list as for
CVE-2021-47670
Threats
Impact
Moderate
A flaw was found in the Linux kernel's USB Video Class (UVC) driver. When memory allocation fails during device status initialization, an error-handling routine releases the same memory twice due to an uncleared pointer. A local user could trigger this vulnerability to cause memory corruption and a Denial of Service (DoS) via a kernel crash.
4.7 (Medium)
Affected products
Fixed
25 products, the same list as for
CVE-2021-47670
Threats
Impact
Moderate
A flaw was found in the Linux kernel's Intel Integrated Sensor Hub (ISH) driver. Improper memory management during driver removal causes device data to be freed prematurely while hardware cleanup operations are still in progress, leading to a use-after-free condition. A local user with administrative privileges to unload kernel drivers can trigger this flaw, causing a system crash and resulting in a Denial of Service (DoS).
6.7 (Medium)
Affected products
Fixed
25 products, the same list as for
CVE-2021-47670
Threats
Impact
Moderate
A flaw was found in the Linux kernel's CH9200 USB Ethernet driver. An attacker with physical access or the ability to attach a malicious USB device can exploit this issue by triggering a communication failure during network negotiation. Because the driver fails to verify whether a read operation succeeded, it proceeds to read uninitialized buffer memory. This flaw can lead to information disclosure of sensitive kernel memory or cause unpredictable system behavior resulting in a denial of service (DoS).
7.0 (High)
Affected products
Fixed
25 products, the same list as for
CVE-2021-47670
Threats
Impact
Moderate
References
39 references
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"text": "A flaw was found in the Linux kernel\u0027s Controller Area Network (CAN) PEAK-System USB driver. A local user with access to an affected CAN interface could cause a denial of service (DoS) or potentially execute arbitrary code. This vulnerability occurs because the driver accesses packet memory after it has already been freed, leading to a use-after-free condition during frame processing.",
"title": "Vulnerability description"
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"text": "kernel: can: peak_usb: fix use after free bugs",
"title": "Vulnerability summary"
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"text": "An unprivileged user with device access could potentially trigger a use-after-free vulnerability. However, this would require them to interact with the CAN device in a highly specific and difficult-to-automate manner to create the necessary conditions within the kernel driver.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-38086"
},
{
"category": "external",
"summary": "RHBZ#2375305",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2375305"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-38086",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38086"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-38086",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38086"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025062801-CVE-2025-38086-783b@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025062801-CVE-2025-38086-783b@gregkh/T"
}
],
"release_date": "2025-06-28T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-08-20T08:10:29+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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{
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"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: net: ch9200: fix uninitialised access during mii_nway_restart"
}
]
}
Loading…
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.