CVE-2025-40364: linux
CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2025-40364DEBIAN-CVE-2025-40364
Published 18-04-2025Last modified 05-08-2026
Vulnerability summary
CVE-2025-40364 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19.8% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.28%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 6Timeline
- 18-04-2025PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: io_uring: fix io_req_prep_async with provided buffers io_req_prep_async() can import provided buffers, commit the ring state by giving up on that before, it'll be reimported later if needed.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.28%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
0.00 pp
From 0.29% on 21-09-2026
21-09-202621-10-2026
EPSS score0.28%
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
Ubuntu104 products
- linux< 6.8.0-64.67
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.8.0-1032.34
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ c7fb19428d67dd0a2a78a4f237af01d39c78dc5a, < 233b210a678bddf8b49b02a070074a52b87e6d43 | ≥ c7fb19428d67dd0a2a78a4f237af01d39c78dc5a, < a1b17713b32c75a90132ea2f92b1257f3bbc20f3 | ≥ c7fb19428d67dd0a2a78a4f237af01d39c78dc5a, < b86f1d51731e621e83305dc9564ae14c9ef752bf | ≥ c7fb19428d67dd0a2a78a4f237af01d39c78dc5a, < a94592ec30ff67dc36c424327f1e0a9ceeeb9bd3 | ≥ c7fb19428d67dd0a2a78a4f237af01d39c78dc5a, < 35ae7910c349fb3c60439992e2e0e79061e95382 | ≥ c7fb19428d67dd0a2a78a4f237af01d39c78dc5a, < f0ef94553868d07c1b14d7743a7e2553e5a831a3 | ≥ c7fb19428d67dd0a2a78a4f237af01d39c78dc5a, < d63b0e8a628e62ca85a0f7915230186bb92f8bb4 | 5.19
- linux_kernel≥ 5.19, < 6.1.129 | ≥ 6.2, < 6.6.78 | ≥ 6.7, < 6.12.14 | ≥ 6.13, < 6.13.3
Debian1 product
- linux< 6.1.129-1 | < 6.12.15-1
3 vendors · 107 products
