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Vulnerability details: VCID-g7tz-amzd-w7dp
Vulnerability ID VCID-g7tz-amzd-w7dp
Aliases CVE-2025-39822
Summary kernel: io_uring/kbuf: fix signedness in this_len calculation
Status Published
Exploitability 0.5
Weighted Severity 5.5
Risk 2.8
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-681 Incorrect Conversion between Numeric Types
System Score Found at
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-39822.json
epss 0.00027 https://api.first.org/data/v1/epss?cve=CVE-2025-39822
epss 0.00027 https://api.first.org/data/v1/epss?cve=CVE-2025-39822
cvssv3.1 5.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.5 https://git.kernel.org/stable/c/c64eff368ac676e8540344d27a3de47e0ad90d21
ssvc Track https://git.kernel.org/stable/c/c64eff368ac676e8540344d27a3de47e0ad90d21
cvssv3.1 5.5 https://git.kernel.org/stable/c/f4f411c068402c370c4f9a9d4950a97af97bbbb1
ssvc Track https://git.kernel.org/stable/c/f4f411c068402c370c4f9a9d4950a97af97bbbb1
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-39822.json
https://api.first.org/data/v1/epss?cve=CVE-2025-39822
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2395774 https://bugzilla.redhat.com/show_bug.cgi?id=2395774
c64eff368ac676e8540344d27a3de47e0ad90d21 https://git.kernel.org/stable/c/c64eff368ac676e8540344d27a3de47e0ad90d21
f4f411c068402c370c4f9a9d4950a97af97bbbb1 https://git.kernel.org/stable/c/f4f411c068402c370c4f9a9d4950a97af97bbbb1
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-39822.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

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none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://git.kernel.org/stable/c/c64eff368ac676e8540344d27a3de47e0ad90d21
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T18:17:04Z/ Found at https://git.kernel.org/stable/c/c64eff368ac676e8540344d27a3de47e0ad90d21
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://git.kernel.org/stable/c/f4f411c068402c370c4f9a9d4950a97af97bbbb1
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T18:17:04Z/ Found at https://git.kernel.org/stable/c/f4f411c068402c370c4f9a9d4950a97af97bbbb1
Exploit Prediction Scoring System (EPSS)
Percentile 0.0803
EPSS Score 0.00027
Published At June 5, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T16:40:01.804118+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-39822.json 38.6.0