vulnerability
Ubuntu: (Multiple Advisories) (CVE-2025-40276): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Feb 12, 2026 | Feb 13, 2026 | Mar 27, 2026 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Feb 12, 2026
Added
Feb 13, 2026
Modified
Mar 27, 2026
Description
In the Linux kernel, the following vulnerability has been resolved:
drm/panthor: Flush shmem writes before mapping buffers CPU-uncached
The shmem layer zeroes out the new pages using cached mappings, and if
we don't CPU-flush we might leave dirty cachelines behind, leading to
potential data leaks and/or asynchronous buffer corruption when dirty
cachelines are evicted.
Solutions
ubuntu-upgrade-linux-image-6-17-0-1006-realtimeubuntu-upgrade-linux-image-6-17-0-1007-awsubuntu-upgrade-linux-image-6-17-0-1007-aws-64kubuntu-upgrade-linux-image-6-17-0-1007-gcpubuntu-upgrade-linux-image-6-17-0-1007-gcp-64kubuntu-upgrade-linux-image-6-17-0-1007-oracleubuntu-upgrade-linux-image-6-17-0-1007-oracle-64kubuntu-upgrade-linux-image-6-17-0-1008-azureubuntu-upgrade-linux-image-6-17-0-1008-raspiubuntu-upgrade-linux-image-6-17-0-1011-oemubuntu-upgrade-linux-image-6-17-0-14-genericubuntu-upgrade-linux-image-6-17-0-14-generic-64kubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-6-17ubuntu-upgrade-linux-image-aws-64kubuntu-upgrade-linux-image-aws-64k-6-17ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-6-17ubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-6-17ubuntu-upgrade-linux-image-gcp-64kubuntu-upgrade-linux-image-gcp-64k-6-17ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-6-17ubuntu-upgrade-linux-image-generic-64kubuntu-upgrade-linux-image-generic-64k-6-17ubuntu-upgrade-linux-image-oem-6-17ubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-6-17ubuntu-upgrade-linux-image-oracle-64kubuntu-upgrade-linux-image-oracle-64k-6-17ubuntu-upgrade-linux-image-raspiubuntu-upgrade-linux-image-raspi-6-17ubuntu-upgrade-linux-image-realtimeubuntu-upgrade-linux-image-realtime-6-17ubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-6-17
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