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Vulnerability details: VCID-xfxw-wbk5-8ugr
Vulnerability ID VCID-xfxw-wbk5-8ugr
Aliases CVE-2026-31436
Summary In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor completion in llist_abort_desc() At the end of this function, d is the traversal cursor of flist, but the code completes found instead. This can lead to issues such as NULL pointer dereferences, double completion, or descriptor leaks. Fix this by completing d instead of found in the final list_for_each_entry_safe() loop.
Status Published
Exploitability 0.5
Weighted Severity 6.3
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-910 Use of Expired File Descriptor
System Score Found at
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-31436.json
cvssv3 7.0 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-31436.json
epss 0.00018 https://api.first.org/data/v1/epss?cve=CVE-2026-31436
epss 0.00018 https://api.first.org/data/v1/epss?cve=CVE-2026-31436
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2026-31436
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2026-31436
cvssv3.1 7 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-31436.json
https://api.first.org/data/v1/epss?cve=CVE-2026-31436
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2460678 https://bugzilla.redhat.com/show_bug.cgi?id=2460678
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-31436.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

low

none
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-31436.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

low

none
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/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
Exploit Prediction Scoring System (EPSS)
Percentile 0.04584
EPSS Score 0.00018
Published At April 24, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-23T05:40:54.504801+00:00 Debian Importer Import https://security-tracker.debian.org/tracker/data/json 38.4.0