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Red Hat Security Advisory: kernel security update

0
Medium
Published: 10/01/2025 (10/01/2025, 00:28:12 UTC)
Source: GCVE Database
Vendor/Project: Red Hat Product Security
Product: Red Hat

Description

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: usb: dwc3: gadget: check that event count does not exceed event buffer length (CVE-2025-37810) * kernel: i40e: fix MMIO write access to an invalid page in i40e_clear_hw (CVE-2025-38200) * kernel: vsock: Fix transport_* TOCTOU (CVE-2025-38461) * kernel: drm/gem: Acquire references on GEM handles for framebuffers (CVE-2025-38449) * kernel: netfilter: nf_conntrack: fix crash due to removal of uninitialised entry (CVE-2025-38472) * kernel: smb: client: fix use-after-free in cifs_oplock_break (CVE-2025-38527) 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.

Affected software

redhat/kernel
pkg:rpm/redhat/kernel
Affected versions
=9.2

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 06/25/2026, 22:29:33 UTC

Technical Analysis

Red Hat Product Security issued a security advisory (RHSA-2025:17122) for Red Hat Enterprise Linux 9.2 addressing six kernel vulnerabilities: CVE-2025-37810 (usb: dwc3 gadget event count buffer overflow), CVE-2025-38200 (i40e driver invalid MMIO write), CVE-2025-38461 (vsock transport TOCTOU race condition), CVE-2025-38449 (drm/gem framebuffer reference handling), CVE-2025-38472 (netfilter nf_conntrack crash from uninitialized entry removal), and CVE-2025-38527 (SMB client use-after-free). These vulnerabilities impact core kernel components and could lead to crashes, memory corruption, or other stability issues. The advisory rates the overall impact as moderate. The update is available for Red Hat Enterprise Linux 9.2 variants including x86_64, ppc64le, aarch64, and s390x architectures. Applying the update requires a system reboot.

Potential Impact

The vulnerabilities fixed in this advisory affect critical kernel components and can lead to memory corruption, crashes, use-after-free conditions, and race conditions. These issues may impact system stability and security by potentially allowing improper memory access or denial of service. The advisory does not report known exploits in the wild. The overall severity is rated moderate by Red Hat.

Mitigation Recommendations

Red Hat has released an official security update for Red Hat Enterprise Linux 9.2 that addresses all listed vulnerabilities. Users should apply the update as described in the Red Hat advisory (RHSA-2025:17122) and reboot their systems to ensure the fixes take effect. No additional mitigation steps are indicated beyond applying the official patches and rebooting.

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Technical Details

Gcve Source
db.gcve.eu
Csaf Category
csaf_security_advisory
Csaf Version
2.0
Publisher
Red Hat Product Security
Advisory Id
RHSA-2025:17122
Cve Count
6
Additional Cves
["CVE-2025-38200","CVE-2025-38449","CVE-2025-38461","CVE-2025-38472","CVE-2025-38527"]
Cvss Version
null

Threat ID: 6a3da1e24853345fc182c3ce

Added to database: 06/25/2026, 21:47:14 UTC

Last enriched: 06/25/2026, 22:29:33 UTC

Last updated: 07/03/2026, 08:51:21 UTC

Views: 16

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