rhsa-2025:12623
Vulnerability from csaf_redhat
Published
2025-08-04 15:19
Modified
2025-08-19 15:22
Summary
Red Hat Security Advisory: kernel security update
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: cifs: potential buffer overflow in handling symlinks (CVE-2022-49058)
* kernel: wifi: iwlwifi: limit printed string from FW file (CVE-2025-21905)
* kernel: net: atm: fix use after free in lec_send() (CVE-2025-22004)
* kernel: ext4: ignore xattrs past end (CVE-2025-37738)
* kernel: drivers:md:fix a potential use-after-free bug (CVE-2022-50022)
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.
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{
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"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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"title": "kernel: net: atm: fix use after free in lec_send()"
},
{
"cve": "CVE-2025-37738",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
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"ids": [
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"system_name": "Red Hat Bugzilla ID",
"text": "2363305"
}
],
"notes": [
{
"category": "description",
"text": "A use-after-free vulnerability has been discovered in the Linux kernel, specifically within the ext4_xattr_inode_dec_ref_all function (related to the ext4 filesystem\u0027s extended attributes). An attacker could exploit this flaw by providing a specially crafted payload, leading to a denial of service condition that compromises system availability.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: ext4: ignore xattrs past end",
"title": "Vulnerability summary"
},
{
"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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{
"category": "external",
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{
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"url": "https://www.cve.org/CVERecord?id=CVE-2025-37738"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-37738",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-37738"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025050132-CVE-2025-37738-deb1@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025050132-CVE-2025-37738-deb1@gregkh/T"
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"date": "2025-08-04T15:19:31+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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"title": "kernel: ext4: ignore xattrs past end"
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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