PCI/sysfs: Add CAP_SYS_ADMIN check to __resource_resize_store() (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.16 % · percentile 5 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Received
Description
In the Linux kernel, the following vulnerability has been resolved: PCI/sysfs: Add CAP_SYS_ADMIN check to __resource_resize_store() 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.
References
- https://git.kernel.org/stable/c/0be4e21287e1e4865b9de498e1acc65b873f52f5
- https://git.kernel.org/stable/c/d02dd7ce8e52b66b7d3b6eca2a7d81e7f5b10a62
- https://git.kernel.org/stable/c/b722a607f858b9cd036075ea0efad553fb98e982
- https://git.kernel.org/stable/c/cbf0628c0b7db86c5ce36451f088101546acbf1d
- https://git.kernel.org/stable/c/25ec7f57deceec633f27bc93b615f951e2ade814
European references
- ENISA EUVD · EUVD-2026-86103
- GCVE · GCVE-0-2026-97505
CERT-FR advisories
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1372 — Multiples vulnérabilités dans les produits SUSE · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1335 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1289 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1253 — Multiples vulnérabilités dans le noyau Linux de Debian · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 91fa127794ac1c48069479b9d45eb4c7378c0e30 < 0be4e21287e1e4865b9de498e1acc65b873f52f5 ; affected 91fa127794ac1c48069479b9d45eb4c7378c0e30 < d02dd7ce8e52b66b7d3b6eca2a7d81e7f5b10a62 ; affected 91fa127794ac1c48069479b9d45eb4c7378c0e30 < b722a607f858b9cd036075ea0efad553fb98e982 ; affected 91fa127794ac1c48069479b9d45eb4c7378c0e30 < cbf0628c0b7db86c5ce36451f088101546acbf1d ; affected 91fa127794ac1c48069479b9d45eb4c7378c0e30 < 25ec7f57deceec633f27bc93b615f951e2ade814 |
| Linux · Linux | affected 6.1 ; unaffected 0 < 6.1 ; unaffected 6.1.191 ≤ 6.1.* ; unaffected 6.6.160 ≤ 6.6.* ; unaffected 6.12.111 ≤ 6.12.* ; unaffected 6.18.53 ≤ 6.18.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |