High 7.8Published Jul 4, 2025

CVE-2025-38204jfs: fix array-index-out-of-bounds read in add_missing_indices

Updated under an hour ago (Oct 28, 2026, 3:00 AM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: jfs: fix array-index-out-of-bounds read in add_missing_indices stbl is s8 but it must contain offsets into slot which can go from 0 to 127. Added a bound check for that error and return -EIO if the check fails. Also make jfs_readdir return with error if add_missing_indices returns with an error.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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: Oct 21, 2026
First seen by InfoSec Signals: Oct 15, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 81af4b34fd72d390d7f237c6a545cc6d09707956; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before bfa4655d28f338e68d345aed80d19be7999bbce2; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 44618bee303bed151ef3a525ff79fbd7689593b5; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before c8733634978086b41255695d993cec3017a23a27; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 2ec34dc7094b14149ce091c77aff43a45d255518; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before c8399564a58fb6ea2ff21a6fd278417943cb51a5; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 5dff41a86377563f7a2b968aae00d25b4ceb37c9	CNA record
linux linux_kernel linux:linux_kernel	before 5.4.295; from 5.5 before 5.10.239; from 5.11 before 5.15.186; from 5.16 before 6.15.4	NVD
debian debian_linux debian:debian_linux	11.0	NVD

References

References

https://git.kernel.org/stable/c/81af4b34fd72d390d7f237c6a545cc6d09707956	patch
https://git.kernel.org/stable/c/bfa4655d28f338e68d345aed80d19be7999bbce2	patch
https://git.kernel.org/stable/c/44618bee303bed151ef3a525ff79fbd7689593b5	patch
https://git.kernel.org/stable/c/c8733634978086b41255695d993cec3017a23a27
https://git.kernel.org/stable/c/2ec34dc7094b14149ce091c77aff43a45d255518
https://git.kernel.org/stable/c/c8399564a58fb6ea2ff21a6fd278417943cb51a5	patch
https://git.kernel.org/stable/c/5dff41a86377563f7a2b968aae00d25b4ceb37c9	patch
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html	mailing-list, third-party-advisory

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.