PT-2025-28996 · Linux+3 · Linux Kernel+3

Published 2025-05-23 · Updated 2025-11-20 · CVE-2025-38276

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: Linux kernel (affected versions not specified)

Description: A flaw was discovered in the Linux kernel’s fs/dax subsystem. A race condition exists where locked entries might be skipped during scanning due to the interaction between wait entry unlocked exclusive() and xas pause(), potentially leading to warnings or unexpected behavior. The issue was triggered when running xftest generic/068 on an XFS filesystem with FS DAX enabled.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Locking

Weakness Enumeration

CWE-667

Related Identifiers

BDU:2025-13458

CVE-2025-38276

Affected Products

Astra Linux

Linux Kernel

Xfs

Xftest

References · 14

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38276.json · Exploit
• https://git.kernel.org/stable/c/61009dd2252ab4391d44a240e891f1e04c00b9ca · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-38276 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-38276 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-38276 · Security Note
• https://git.kernel.org/stable/c/dd59137bfe70cf3646021b4721e430213b9c71bd · Patch
• https://linux.oracle.com/errata/ELSA-2026-50112.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38276 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-13458 · Security Note
• https://osv.dev/vulnerability/CVE-2025-38276 · Vendor Advisory
• https://twitter.com/CVEnew/status/1943297315038691787 · Twitter Post
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://git.kernel.org/linus/dd59137bfe70cf3646021b4721e430213b9c71bd · Note
• https://twitter.com/dailycve/status/1991338524289990857 · Twitter Post