7.8

CVE-2025-38697: debian debian_linux Improper Validation of Array Index

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2025-38697DEBIAN-CVE-2025-38697
Published 04-09-2025Last modified 05-08-2026
Open JSON

Vulnerability summary

CVE-2025-38697 is a high (CVSS 7.8) Improper Validation of Array Index vulnerability in debian debian_linux. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.5% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.18%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 41 · Related 35
DLA-4327-1DLA-4328-1DSA-6009-1LSN-0122-1MGASA-2025-0234MGASA-2025-0235

Timeline

  1. 04-09-2025
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

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 metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

+0.01 pp

From 0.18% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu148 products
  • linuxAll versions (No fix recorded) | < 5.15.0-163.173 | < 6.8.0-100.100
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1097.104 | < 6.8.0-1046.49
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
  • linux< 6.1.153-1 | < 6.12.43-1 | < 6.16.3-1
  • debian_linuxEOL11.0
Linux2 products
  • linux≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 5bdb9553fb134fd52ec208a8b378120670f6e784 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < a4f199203f79ca9cd7355799ccb26800174ff093 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 1467a75819e41341cd5ebd16faa2af1ca3c8f4fe | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 49ea46d9025aa1914b24ea957636cbe4367a7311 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 173cfd741ad7073640bfb7e2344c2a0ee005e769 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < c8ca21a2836993d7cb816668458e05e598574e55 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 2dd05f09cc323018136a7ecdb3d1007be9ede27f | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 30e19a884c0b11f33821aacda7e72e914bec26ef | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < c214006856ff52a8ff17ed8da52d50601d54f9ce | 2.6.12
  • linux_kernel≥ 2.6.12.1, < 5.4.297 | ≥ 5.5, < 5.10.241 | ≥ 5.11, < 5.15.190 | ≥ 5.16, < 6.1.149 | ≥ 6.2, < 6.6.103 | ≥ 6.7, < 6.12.43 | ≥ 6.13, < 6.15.11 | ≥ 6.16, < 6.16.2 | 2.6.12 | 2.6.12:rc2 | 2.6.12:rc3 | 2.6.12:rc4 | 2.6.12:rc5

3 vendors · 152 products

References

41 links
Show all 41 references