block: fix blktrace debugfs entries leakage (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.20 % · percentile 10 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Deferred
Description
In the Linux kernel, the following vulnerability has been resolved: block: fix blktrace debugfs entries leakage Commit 99d055b4fd4b ("block: remove per-disk debugfs files in blk_unregister_queue") moves blk_trace_shutdown() from blk_release_queue() to blk_unregister_queue(), this is safe if blktrace is created through sysfs, however, there is a regression in corner case. blktrace can still be enabled after del_gendisk() through ioctl if the disk is opened before del_gendisk(), and if blktrace is not shutdown through ioctl before closing the disk, debugfs entries will be leaked. Fix this problem by shutdown blktrace in disk_release(), this is safe because blk_trace_remove() is reentrant.
References
European references
- ENISA EUVD · EUVD-2023-60432
- GCVE · GCVE-0-2023-54209
CERT-FR advisories
- CERTFR-2026-AVI-0369 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0247 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0225 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0108 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 99d055b4fd4bbb309c6cdb51a0d420669f777944 < aa07e56c6a9c7558165690d14eed4fe8babf34fb ; affected 99d055b4fd4bbb309c6cdb51a0d420669f777944 < 7149e57cf01184fba175589f8fbe9fbf33be02e1 ; affected 99d055b4fd4bbb309c6cdb51a0d420669f777944 < 942e81650b81b4ca62f1d8c61de455c9e7c7e6ca ; affected 99d055b4fd4bbb309c6cdb51a0d420669f777944 < dd7de3704af9989b780693d51eaea49a665bd9c2 |
| Linux · Linux | affected 5.19 ; unaffected 0 < 5.19 ; unaffected 6.1.39 ≤ 6.1.* ; unaffected 6.3.13 ≤ 6.3.* ; unaffected 6.4.4 ≤ 6.4.* ; unaffected 6.5 ≤ * |
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 |