7.1

CVE-2025-68378: linux

CVSS: 7.1v4.0HighDeferred
AliasesUBUNTU-CVE-2025-68378DEBIAN-CVE-2025-68378
Published 24-12-2025Last modified 23-05-2026

Vulnerability summary

CVE-2025-68378 is a high (CVSS 7.1) vulnerability in linux. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 7.9% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v4.0 (OSV · Ubuntu), selected by version preference
EPSS score
0.19%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 33 · Related 34

Timeline

  1. 24-12-2025
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix stackmap overflow check in __bpf_get_stackid() Syzkaller reported a KASAN slab-out-of-bounds write in __bpf_get_stackid() when copying stack trace data. The issue occurs when the perf trace contains more stack entries than the stack map bucket can hold, leading to an out-of-bounds write in the bucket's data array.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

0.00 pp

From 0.19% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.19%

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

No weakness data has been published for this record.

Affected systems

Ubuntu145 products
  • linuxAll versions (No fix recorded) | < 6.8.0-110.110 | < 6.17.0-19.19
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 6.8.0-1052.55 | < 6.17.0-1009.9
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linuxAll versions (No fix recorded) | < 6.12.63-1 | < 6.17.13-1
Linux1 product
  • linux≥ ee2a098851bfbe8bcdd964c0121f4246f00ff41e, < d1f424a77b6bd27b361737ed73df49a0158f1590 | ≥ ee2a098851bfbe8bcdd964c0121f4246f00ff41e, < 2a008f6de163279deffd488c1deab081bce5667c | ≥ ee2a098851bfbe8bcdd964c0121f4246f00ff41e, < 4669a8db976c8cbd5427fe9945f12c5fa5168ff3 | ≥ ee2a098851bfbe8bcdd964c0121f4246f00ff41e, < 23f852daa4bab4d579110e034e4d513f7d490846 | 90805175a206f784b6a77f16f07b07f6803e286b | 398ac11f4425d1e52aaf0d05d4fc90524e1a5b5e | e750f78c4ed7cefbcefb9769b3b9e08033db39da | 6c4f243b58f5362e983386488b2d563764c567af | ≥ 5.10.110, < 5.11 | ≥ 5.15.33, < 5.16 | ≥ 5.16.19, < 5.17 | ≥ 5.17.2, < 5.18 | 5.18

3 vendors · 147 products

References

27 links
Show all 27 references