5.5

CVE-2025-37808: debian debian_linux

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-37808DEBIAN-CVE-2025-37808
Published 08-05-2025Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2025-37808 is a medium (CVSS 5.5) vulnerability in debian debian_linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.21%
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 33 · Related 29
DLA-4178-1DLA-4193-1MGASA-2025-0182MGASA-2025-0183USN-7594-1USN-7594-2

Timeline

  1. 08-05-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: null - Use spin lock instead of mutex As the null algorithm may be freed in softirq context through af_alg, use spin locks instead of mutexes to protect the default null algorithm.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

+0.01 pp

From 0.21% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.21%

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

Ubuntu141 products
  • linuxAll versions (No fix recorded) | < 5.15.0-144.157 | < 6.8.0-100.100
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1088.95 | < 6.8.0-1046.49
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
Linux2 products
  • linux≥ 330234638e16b7b95e8e5e6be719a61a93f074b8, < f7a5a5c8e1ec16a4b2041398abe95de0e14572ef | ≥ 330234638e16b7b95e8e5e6be719a61a93f074b8, < e307c54ac8198bf09652c72603ba6e6d97798410 | ≥ 330234638e16b7b95e8e5e6be719a61a93f074b8, < 1dd4a8561d85dea545cf93f56efc48df8176e218 | ≥ 330234638e16b7b95e8e5e6be719a61a93f074b8, < e27244cbe10658a66b8775be7f0acc4ad2f618d6 | ≥ 330234638e16b7b95e8e5e6be719a61a93f074b8, < 1b66a5920b7fc7cc6251192a3fcad115b6d75dd5 | ≥ 330234638e16b7b95e8e5e6be719a61a93f074b8, < 0486de3c1b8223138dcc614846bd76364f758de6 | ≥ 330234638e16b7b95e8e5e6be719a61a93f074b8, < 8cf2945512a8c0ef74ddd5b5a4f6b6a2fb1a4efb | ≥ 330234638e16b7b95e8e5e6be719a61a93f074b8, < dcc47a028c24e793ce6d6efebfef1a1e92f80297 | 4.2
  • linux_kernel≥ 4.2, < 5.4.293 | ≥ 5.5, < 5.10.237 | ≥ 5.11, < 5.15.181 | ≥ 5.16, < 6.1.136 | ≥ 6.2, < 6.6.89 | ≥ 6.7, < 6.12.26 | ≥ 6.13, < 6.14.5

3 vendors · 145 products

References

44 links
Show all 44 references