CVE-2026-31417

Advisory lineage Upstream: 0 Downstream: 4
Analyzed
Published: 13 Apr 2026, 13:21
Last modified:11 May 2026, 22:08

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
0.07% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

13 Apr 2026, 13:21
Published
Vulnerability first disclosed
11 May 2026, 22:08
Last Modified
Vulnerability information updated

Description

In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix overflow when accumulating packets Add a check to ensure that `x25_sock.fraglen` does not overflow. The `fraglen` also needs to be resetted when purging `fragment_queue` in `x25_clear_queues()`.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.07%• Percentile: 22%

Techniques & Countermeasures

  • CWE-191•Integer Underflow (Wrap or Wraparound)

    The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

Affected Systems

  • linux•linux

    ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 96fc16370b0bceb289c7e0479bd0540b81e257aa | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 798d613afb64b01a203f448fb0f43c37c6afe79d | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 6e568835ea54a3e1d08e310e34f95d434e739477 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 1734bd85c5e0a7a801295b729efb56b009cb8fc3 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 4e2d1bcef78d21247fe8fef13bc7ed95885df2b5 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 8c92969c197b91c134be27dc3afb64ab468853a9 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < f953f11ccf4afe6feb635c08145f4240d9a6b544 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < a1822cb524e89b4cd2cf0b82e484a2335496a6d9 | 2.6.12

  • linux•linux_kernel

    ≥ 2.6.12.1, < 5.10.253 | ≥ 5.11, < 5.15.203 | ≥ 5.16, < 6.1.168 | ≥ 6.2, < 6.6.134 | ≥ 6.7, < 6.12.81 | ≥ 6.13, < 6.18.22 | ≥ 6.19, < 6.19.12 | 2.6.12 | 2.6.12:rc2 | 2.6.12:rc3 | 2.6.12:rc4 | 2.6.12:rc5 | 2.6.12:rc6 | 7.0:rc1 | 7.0:rc2 | 7.0:rc3 | 7.0:rc4 | 7.0:rc5 | 7.0:rc6

References (8)