High 7.8Published Sep 4, 2025

CVE-2025-38715hfs: fix slab-out-of-bounds in hfs_bnode_read()

Updated under an hour ago (Oct 27, 2026, 2:10 PM ET)

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It affects Linux and 3 other products. Add what you run to find out whether that includes you.

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: hfs: fix slab-out-of-bounds in hfs_bnode_read() This patch introduces is_bnode_offset_valid() method that checks the requested offset value. Also, it introduces check_and_correct_requested_length() method that checks and correct the requested length (if it is necessary). These methods are used in hfs_bnode_read(), hfs_bnode_write(), hfs_bnode_clear(), hfs_bnode_copy(), and hfs_bnode_move() with the goal to prevent the access out of allocated memory and triggering the crash.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Aug 5, 2026
First seen by InfoSec Signals: Oct 19, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before e7d2dc2421e821e4045775e6dc226378328de6f6; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 67ecc81f6492275c9c54280532f558483c99c90e; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before a1a60e79502279f996e55052f50cc14919020475; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before fe2891a9c43ab87d1a210d61e6438ca6936e2f62; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 384a66b89f9540a9a8cb0f48807697dfabaece4c; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before efc095b35b23297e419c2ab4fc1ed1a8f0781a29; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before fc7f732984ec91f30be3e574e0644066d07f2b78; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before eec522fd0d28106b14a59ab2d658605febe4a3bb; and 1 more ranges	CNA record
Siemens SIMATIC CN 4100 siemens:simatic_cn_4100 (from the name)	before V5.0	CISA ADP
linux linux_kernel linux:linux_kernel	from 2.6.12.1 before 5.4.297; from 5.5 before 5.10.241; from 5.11 before 5.15.190; from 5.16 before 6.1.149; from 6.2 before 6.6.103; from 6.7 before 6.12.43; from 6.13 before 6.15.11; from 6.16 before 6.16.2; and 5 more ranges	NVD
debian debian_linux debian:debian_linux	11.0	NVD

References

References

https://git.kernel.org/stable/c/e7d2dc2421e821e4045775e6dc226378328de6f6	patch
https://git.kernel.org/stable/c/67ecc81f6492275c9c54280532f558483c99c90e	patch
https://git.kernel.org/stable/c/a1a60e79502279f996e55052f50cc14919020475	patch
https://git.kernel.org/stable/c/fe2891a9c43ab87d1a210d61e6438ca6936e2f62	patch
https://git.kernel.org/stable/c/384a66b89f9540a9a8cb0f48807697dfabaece4c	patch
https://git.kernel.org/stable/c/efc095b35b23297e419c2ab4fc1ed1a8f0781a29	patch
https://git.kernel.org/stable/c/fc7f732984ec91f30be3e574e0644066d07f2b78	patch
https://git.kernel.org/stable/c/eec522fd0d28106b14a59ab2d658605febe4a3bb	patch
https://git.kernel.org/stable/c/a431930c9bac518bf99d6b1da526a7f37ddee8d8	patch
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html	mailing-list, third-party-advisory
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.