5.5

CVE-2026-45871: linux

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-45871DEBIAN-CVE-2026-45871
Published 27-05-2026Last modified 27-05-2026

Vulnerability summary

CVE-2026-45871 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5.1% 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
0.16%
0%100%
Low · -0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 37 · Related 37

Timeline

  1. 27-05-2026
    PublishedVulnerability first disclosed.

Description

In the Linux kernel, the following vulnerability has been resolved: tpm: st33zp24: Fix missing cleanup on get_burstcount() error get_burstcount() can return -EBUSY on timeout. When this happens, st33zp24_send() returns directly without releasing the locality acquired earlier. Use goto out_err to ensure proper cleanup when get_burstcount() fails.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

-0.02 pp

From 0.19% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.16%

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

Ubuntu157 products
  • linuxAll versions (No fix recorded) | < 5.15.0-186.196 | < 6.8.0-134.134
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1112.119 | < 6.8.0-1060.63
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ bf38b8710892333cec2d8069644eb36ff435fd6f, < e0ce3da82341fcd6194175f1837946b2a894c625 | ≥ bf38b8710892333cec2d8069644eb36ff435fd6f, < 7687133509cf66ced120b667fefd21f80bf17993 | ≥ bf38b8710892333cec2d8069644eb36ff435fd6f, < 1256c6dc96d1e687e6e9b63088156ed07411b00c | ≥ bf38b8710892333cec2d8069644eb36ff435fd6f, < a51cff9be046e13e1c1b2fe45d5c48b582ec9b8c | ≥ bf38b8710892333cec2d8069644eb36ff435fd6f, < cc09d55f519e15355de343264a22ac6682b8305e | ≥ bf38b8710892333cec2d8069644eb36ff435fd6f, < ec15eb67fe9df87981b4829b901ec254273ca483 | ≥ bf38b8710892333cec2d8069644eb36ff435fd6f, < 4fffb77d35d038f146e6192da583dbe4971d869e | ≥ bf38b8710892333cec2d8069644eb36ff435fd6f, < 3e91b44c93ad2871f89fc2a98c5e4fe6ca5db3d9 | 4.1
  • linux_kernel≥ 4.1, < 5.10.252 | ≥ 5.11, < 5.15.202 | ≥ 5.16, < 6.1.165 | ≥ 6.2, < 6.6.128 | ≥ 6.7, < 6.12.75 | ≥ 6.13, < 6.18.14 | ≥ 6.19, < 6.19.4
Debian1 product
  • linux< 6.1.170-1 | < 6.12.85-1 | < 6.18.14-1

3 vendors · 160 products

References

36 links
Show all 36 references