High 8.8Published Apr 24, 2026

CVE-2026-31553KVM: arm64: Fix the descriptor address in __kvm_at_swap_desc()

Updated under an hour ago (Oct 27, 2026, 10:30 PM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix the descriptor address in __kvm_at_swap_desc() Using "(u64 __user *)hva + offset" to get the virtual addresses of S1/S2 descriptors looks really wrong, if offset is not zero. What we want to get for swapping is hva + offset, not hva + offset*8. ;-) Fix it.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: Aug 5, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from f6927b41d57390c597a126063e2e518911976878 before 4307e05e568782fc92eff651b09ee5dee88a058d; from f6927b41d57390c597a126063e2e518911976878 before 0496acc42fb51eee040b5170cec05cec41385540	CNA record
linux linux_kernel linux:linux_kernel	from 6.19.1 before 6.19.11; 6.19; 7.0; 7.0; 7.0; 7.0; 7.0; 7.0; and 1 more ranges	NVD

References

References

https://git.kernel.org/stable/c/4307e05e568782fc92eff651b09ee5dee88a058d	patch
https://git.kernel.org/stable/c/0496acc42fb51eee040b5170cec05cec41385540	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.