5.5

CVE-2025-37948: debian debian_linux

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-37948DEBIAN-CVE-2025-37948
Published 20-05-2025Last modified 11-05-2026

Vulnerability summary

CVE-2025-37948 is a medium (CVSS 5.5) vulnerability in debian debian_linux. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.7% 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
0.20%
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 49 · Related 44

Timeline

  1. 20-05-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: arm64: bpf: Add BHB mitigation to the epilogue for cBPF programs A malicious BPF program may manipulate the branch history to influence what the hardware speculates will happen next. On exit from a BPF program, emit the BHB mititgation sequence. This is only applied for 'classic' cBPF programs that are loaded by seccomp.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

10%

Versus all other CVEs

30-day change

+0.01 pp

From 0.19% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.20%

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) | < 5.15.0-156.166 | < 6.8.0-100.100
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1092.99 | < 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≥ 0be7320a635c2e434e8b67e0e9474a85ceb421c4, < c6a8735d841bcb7649734bb3a787bb174c67c0d8 | ≥ 0be7320a635c2e434e8b67e0e9474a85ceb421c4, < 993f63239c219696aef8887a4e7d3a16bf5a8ece | ≥ 0be7320a635c2e434e8b67e0e9474a85ceb421c4, < 8fe5c37b0e08a97cf0210bb75970e945aaaeebab | ≥ 0be7320a635c2e434e8b67e0e9474a85ceb421c4, < 42a20cf51011788f04cf2adbcd7681f02bdb6c27 | ≥ 0be7320a635c2e434e8b67e0e9474a85ceb421c4, < 38c345fd54afd9d6ed8d3fcddf3f6ea23887bf78 | ≥ 0be7320a635c2e434e8b67e0e9474a85ceb421c4, < 852b8ae934b5cbdc62496fa56ce9969aa2edda7f | ≥ 0be7320a635c2e434e8b67e0e9474a85ceb421c4, < 0dfefc2ea2f29ced2416017d7e5b1253a54c2735 | 3.7
  • linux_kernel< 5.10.239 | ≥ 5.11, < 5.15.186 | ≥ 5.16, < 6.1.139 | ≥ 6.2, < 6.6.91 | ≥ 6.7, < 6.12.29 | ≥ 6.13, < 6.14.7 | 6.15:rc1 | 6.15:rc2 | 6.15:rc3 | 6.15:rc4 | 6.15:rc5 | 6.15:rc6

3 vendors · 149 products

References

42 links
Show all 42 references