jfs: fix array-index-out-of-bounds read in add_missing_indices
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 2.6.12 and later | 5.4.295, 5.10.239, 5.15.186, 6.1.191, 6.6.160, 6.12.113, 6.15.4, 6.16 | Patch available | CNA |
- Linux VendorLinux Affected 2.6.12 and later Fixed in 5.4.295, 5.10.239, 5.15.186, 6.1.191, 6.6.160, 6.12.113, 6.15.4, 6.16 Patch available CNA
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.295, 5.10.239, 5.15.186, 6.1.191, 6.6.160, 6.12.113, 6.15.4, 6.16
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2025-38204
- 2026-10-03 Alias added: GHSA-362h-j6ww-x5f8
- 2026-10-16 Fix available: Linux/Linux@2ec34dc7094b14149ce091c77aff43a45d255518, Linux/[email protected] · CNA
- 2026-10-16 1 new reference · CNA
- 2026-10-21 Fix available: Linux/[email protected], Linux/Linux@c8733634978086b41255695d993cec3017a23a27 · CNA
- 2026-10-21 1 new reference · CNA
- 2026-10-30 Fix available: Linux/Linux@5730e2da0655336fed6aa3c25892e69e2ba5cb76, Linux/[email protected] · CNA
- 2026-10-30 1 new reference · CNA
- 2026-11-07 Affected versions changed · Red Hat
References
Patch 5
- https://git.kernel.org/stable/c/81af4b34fd72d390d7f237c6a545cc6d09707956
- https://git.kernel.org/stable/c/bfa4655d28f338e68d345aed80d19be7999bbce2
- https://git.kernel.org/stable/c/44618bee303bed151ef3a525ff79fbd7689593b5
- https://git.kernel.org/stable/c/c8399564a58fb6ea2ff21a6fd278417943cb51a5
- https://git.kernel.org/stable/c/5dff41a86377563f7a2b968aae00d25b4ceb37c9
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2025-38204 · CVE Program
- CVE-2025-38204 · NVD
- FIRST EPSS
- GHSA-362h-j6ww-x5f8 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-38204 · Red Hat security data · CC BY 4.0
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