vfio/pci: Lock external INTx masking ops

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2024-26810
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-04-05 09:15:09 UTC
Updated2026-05-12 12:16:19 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: vfio/pci: Lock external INTx masking ops Mask operations through config space changes to DisINTx may race INTx configuration changes via ioctl. Create wrappers that add locking for paths outside of the core interrupt code. In particular, irq_type is updated holding igate, therefore testing is_intx() requires holding igate. For example clearing DisINTx from config space can otherwise race changes of the interrupt configuration. This aligns interfaces which may trigger the INTx eventfd into two camps, one side serialized by igate and the other only enabled while INTx is configured. A subsequent patch introduces synchronization for the latter flows.

Risk And Classification

Primary CVSS: v3.1 4.4 MEDIUM from ADP

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-362 | CWE-noinfo Not enough information

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED4.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary4.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 1e71b6449d55179170efc8dee8664510bb813b42 git Not specified
CNA Linux Linux affected 89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 3dd9be6cb55e0f47544e7cdda486413f7134e3b3 git Not specified
CNA Linux Linux affected 89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 ec73e079729258a05452356cf6d098bf1504d5a6 git Not specified
CNA Linux Linux affected 89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 3fe0ac10bd117df847c93408a9d428a453cd60e5 git Not specified
CNA Linux Linux affected 89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 04a4a017b9ffd7b0f427b8c376688d14cb614651 git Not specified
CNA Linux Linux affected 89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 6fe478d855b20ac1eb5da724afe16af5a2aaaa40 git Not specified
CNA Linux Linux affected 89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 03505e3344b0576fd619416793a31eae9c5b73bf git Not specified
CNA Linux Linux affected 89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 810cd4bb53456d0503cc4e7934e063835152c1b7 git Not specified
CNA Linux Linux affected 3.6 Not specified
CNA Linux Linux unaffected 3.6 semver Not specified
CNA Linux Linux unaffected 5.4.274 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.215 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.154 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.84 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.24 6.6.* semver Not specified
CNA Linux Linux unaffected 6.7.12 6.7.* semver Not specified
CNA Linux Linux unaffected 6.8.3 6.8.* semver Not specified
CNA Linux Linux unaffected 6.9 * original_commit_for_fix Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected * custom Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/810cd4bb53456d0503cc4e7934e063835152c1b7 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/03505e3344b0576fd619416793a31eae9c5b73bf af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2024/06/msg00017.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
git.kernel.org/stable/c/6fe478d855b20ac1eb5da724afe16af5a2aaaa40 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-265688.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/3dd9be6cb55e0f47544e7cdda486413f7134e3b3 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/04a4a017b9ffd7b0f427b8c376688d14cb614651 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/3fe0ac10bd117df847c93408a9d428a453cd60e5 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/ec73e079729258a05452356cf6d098bf1504d5a6 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/1e71b6449d55179170efc8dee8664510bb813b42 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 6000567 Debian Security Update for linux (DSA 5658-1)
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report