CVE-2026-97505

Currently, the __resource_resize_store() allows writing to the resourceN_resize sysfs attribute to change a BAR's size without checking for capabilities, currently relying only on the file access check.

Resizing a BAR modifies PCI device configuration and can disrupt active drivers. After the upcoming conversion to static attributes, it will also trigger resource file updates via sysfs_update_groups().

Add a CAP_SYS_ADMIN check to prevent unprivileged users from performing BAR resize operations.

Database specific

{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97505.json"
}

References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

91fa127794ac1c48069479b9d45eb4c7378c0e30

Fixed

0be4e21287e1e4865b9de498e1acc65b873f52f5

Fixed

d02dd7ce8e52b66b7d3b6eca2a7d81e7f5b10a62

Fixed

b722a607f858b9cd036075ea0efad553fb98e982

Fixed

cbf0628c0b7db86c5ce36451f088101546acbf1d

Fixed

25ec7f57deceec633f27bc93b615f951e2ade814

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-97505.json"

Linux / Kernel

Package

Name: Kernel

Affected ranges

Type: ECOSYSTEM
Events: Introduced

6.1.0

Fixed

6.1.191

Type: ECOSYSTEM
Events: Introduced

6.2.0

Fixed

6.6.160

Type: ECOSYSTEM
Events: Introduced

6.7.0

Fixed

6.12.111

Type: ECOSYSTEM
Events: Introduced

6.13.0

Fixed

6.18.53

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-97505.json"