loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/<pid>/maps for exploitation.
Project Subscriptions
| Vendors | Products |
|---|---|
|
Debian
Subscribe
|
Debian Linux
Subscribe
|
|
Fedoraproject
Subscribe
|
Fedora
Subscribe
|
|
Linux
Subscribe
|
Linux Kernel
Subscribe
|
|
Netapp
Subscribe
|
Cloud Backup
Subscribe
H300e
Subscribe
H300e Firmware
Subscribe
H300s
Subscribe
H300s Firmware
Subscribe
H410c
Subscribe
H410c Firmware
Subscribe
H410s
Subscribe
H410s Firmware
Subscribe
H500e
Subscribe
H500e Firmware
Subscribe
H500s
Subscribe
H500s Firmware
Subscribe
H700e
Subscribe
H700e Firmware
Subscribe
H700s
Subscribe
H700s Firmware
Subscribe
Solidfire Baseboard Management Controller
Subscribe
|
Advisories
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-4978-1 | linux security update |
EUVD |
EUVD-2021-28224 | loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/<pid>/maps for exploitation. |
Ubuntu USN |
USN-5092-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5092-2 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-5096-1 | Linux kernel (OEM) vulnerabilities |
Ubuntu USN |
USN-5106-1 | Linux kernel (OEM) vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
No history.
Projects
Sign in to view the affected projects.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T02:59:31.000Z
Reserved: 2021-09-14T00:00:00
Link: CVE-2021-41073
No data.
Status : Modified
Published: 2021-09-19T17:15:07.227
Modified: 2024-11-21T06:25:23.367
Link: CVE-2021-41073
OpenCVE Enrichment
No data.
Debian DSA
EUVD
Ubuntu USN