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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2024-31143
HistoryJul 18, 2024 - 2:15 p.m.

CVE-2024-31143

2024-07-1814:15:04
Debian Security Bug Tracker
security-tracker.debian.org
7
cve-2024-31143
x86 guest
irq handling
unix

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.2

Confidence

High

EPSS

0

Percentile

9.3%

An optional feature of PCI MSI called “Multiple Message” allows a device to use multiple consecutive interrupt vectors. Unlike for MSI-X, the setting up of these consecutive vectors needs to happen all in one go. In this handling an error path could be taken in different situations, with or without a particular lock held. This error path wrongly releases the lock even when it is not currently held.

OSVersionArchitecturePackageVersionFilename
Debian12allxen<= 4.17.3+10-g091466ba55-1~deb12u1xen_4.17.3+10-g091466ba55-1~deb12u1_all.deb
Debian11allxen<= 4.14.6-1xen_4.14.6-1_all.deb
Debian999allxen<= 4.17.3+36-g54dacb5c02-1xen_4.17.3+36-g54dacb5c02-1_all.deb
Debian13allxen<= 4.17.3+36-g54dacb5c02-1xen_4.17.3+36-g54dacb5c02-1_all.deb

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.2

Confidence

High

EPSS

0

Percentile

9.3%