CVE-2025-38204: In the Linux kernel, the following vulnerability has been resolved: jfs: fix array-index-out-of-bounds read i
CVE-2025-38204 is a high-severity flaw (CVSS 7.8) affecting linux kernel, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 this priority
- High severity
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 87%) |
| CISA exploited list | No |
| Weakness | CWE-125 |
| Published | 2025-07-04 |
| Last modified | 2026-10-30 |
Last updated 2026-10-30 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-38204?
linux kernel: upgrade to 5.4.295, 5.10.239, 5.15.186, 6.15.4; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2025-38204 being exploited?
CVE-2025-38204 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-38204 affect?
CVE-2025-38204 affects linux kernel, debian linux. Severity is high (CVSS 7.8). 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
How urgent is CVE-2025-38204?
Priority 36/100. High severity; On your watchlist
Software pages
Linux kernel vulnerabilities · Debian vulnerabilities
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