CVE-2025-38697 — Improper Validation of Array Index in Linux

CWE-129 — Improper Validation of Array IndexCWE-787 — Out-of-bounds WriteCWE-444 — HTTP Request Smuggling31 documents8 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 96.30%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedSep 4
Latest updateMar 25

Description

In the Linux kernel, the following vulnerability has been resolved: jfs: upper bound check of tree index in dbAllocAG When computing the tree index in dbAllocAG, we never check if we are out of bounds realative to the size of the stree. This could happen in a scenario where the filesystem metadata are corrupted.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages3 packages

▶NVDlinux/linux_kernel2.6.12.1 — 5.4.297+8
▶Debianlinux/linux_kernel< 5.10.244-1+3
▶CVEListV5linux/linux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 — 5bdb9553fb134fd52ec208a8b378120670f6e784+9

Also affects: Debian Linux 11.0

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-323x-vj5p-jwh3: In the Linux kernel, the following vulnerability has been resolved: jfs: upper bound check of tree index in dbAllocAG When computing the tree index↗2025-09-05
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CVEList
jfs: upper bound check of tree index in dbAllocAG↗2025-09-04
▶
OSV
CVE-2025-38697: In the Linux kernel, the following vulnerability has been resolved: jfs: upper bound check of tree index in dbAllocAG When computing the tree index in↗2025-09-04
▶

📋Vendor Advisories

27
Ubuntu
Linux kernel (Azure) vulnerabilities↗2026-03-25
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2026-03-04
▶
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities↗2026-03-04
▶
Ubuntu
Linux kernel (Xilinx) vulnerabilities↗2026-02-24
▶
Ubuntu
Linux kernel (IBM) vulnerabilities↗2026-02-24
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CVE-2025-38697 — Improper Validation of Array Index | cvebase