CVE-2026-45871: linux
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.
Advisory lineage
Upstream 0 · Downstream 37 · Related 37Timeline
- 27-05-2026PublishedVulnerability 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- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo 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