CVE-2025-68361: erofs: limit the level of fs stacking for file-backed mounts

Deferred
AliasesUBUNTU-CVE-2025-68361DEBIAN-CVE-2025-68361
Published 24-12-2025Last modified 11-05-2026

Vulnerability summary

CVE-2025-68361 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 14.2% of scored vulnerabilities.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.23%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 13 · Related 13
OPENSUSE-SU-2026:10039-1OPENSUSE-SU-2026:10301-1OPENSUSE-SU-2026:20287-1SUSE-SU-2026:20555-1SUSE-SU-2026:20570-1SUSE-SU-2026:20599-1

Timeline

  1. 24-12-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: erofs: limit the level of fs stacking for file-backed mounts Otherwise, it could cause potential kernel stack overflow (e.g., EROFS mounting itself).

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

14%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.23% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: not stated in public data.

Ubuntu107 products
  • linux< 6.17.0-19.19
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.17.0-1009.9
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.12.63-1 | < 6.17.13-1
Linux1 product
  • linux≥ fb176750266a3d7f42ebdcf28e8ba40350b27847, < 34447aeedbaea8f9aad3da5b07030a1c0e124639 | ≥ fb176750266a3d7f42ebdcf28e8ba40350b27847, < b4911825348a494e894e6ccfcf88d99e9425f129 | ≥ fb176750266a3d7f42ebdcf28e8ba40350b27847, < 620472e6b303c4dbcc7ecf1aba1cda4f3523e4a4 | ≥ fb176750266a3d7f42ebdcf28e8ba40350b27847, < d53cd891f0e4311889349fff3a784dc552f814b9 | 6.12

3 vendors · 109 products

References

13 links
Show all 13 references