CVE-2022-42331

published 2023-03-21

CVE-2022-42331: x86: speculative vulnerability in 32bit SYSCALL path Due to an oversight in the very original Spectre/Meltdown security work (XSA-254), one entrypath performs…

Priority P4 23 medium 5.5 CVSS 3.1

AV L AC L PR L UI N S U C H I N A N

x86: speculative vulnerability in 32bit SYSCALL path Due to an oversight in the very original Spectre/Meltdown security work (XSA-254), one entrypath performs its speculation-safety actions too late. In some configurations, there is an unprotected RET instruction which can be attacked with a variety of speculative attacks.

Affected

8 ranges

Vendor	Product	Version range	Fixed in
debian	xen	< xen 4.17.0+74-g3eac216e6e-1 (bookworm)	xen 4.17.0+74-g3eac216e6e-1 (bookworm)
fedoraproject	fedora	—	—
fedoraproject	fedora	—	—
xen	xen	>= 0 < 4.14.5+94-ge49571868d-1	4.14.5+94-ge49571868d-1
xen	xen	>= 0 < 4.17.0+74-g3eac216e6e-1	4.17.0+74-g3eac216e6e-1
xen	xen	>= 0 < 4.17.0+74-g3eac216e6e-1	4.17.0+74-g3eac216e6e-1
xen	xen	>= 0 < 4.17.0+74-g3eac216e6e-1	4.17.0+74-g3eac216e6e-1
xen	xen	4.5.0 – 4.17.0	—

CVSS provenance

nvd v3.1 5.5 MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

osv 5.5 MEDIUM

vendor_debian 5.5 MEDIUM

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