7.8
CVE-2021-41073
- EPSS 1.69%
- Veröffentlicht 19.09.2021 17:15:07
- Zuletzt bearbeitet 21.11.2024 06:25:23
- Quelle cve@mitre.org
- CVE-Watchlists
- Unerledigt
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.10 < 5.10.68
Linux ≫ Linux Kernel Version >= 5.11 < 5.14.7
Debian ≫ Debian Linux Version10.0
Fedoraproject ≫ Fedora Version33
Fedoraproject ≫ Fedora Version34
Netapp ≫ Cloud Backup Version-
Netapp ≫ Solidfire Baseboard Management Controller Version-
Netapp ≫ H410c Firmware Version-
Netapp ≫ H300s Firmware Version-
Netapp ≫ H500s Firmware Version-
Netapp ≫ H700s Firmware Version-
Netapp ≫ H300e Firmware Version-
Netapp ≫ H500e Firmware Version-
Netapp ≫ H700e Firmware Version-
Netapp ≫ H410s Firmware Version-
Netapp ≫ H410c Firmware Version-
VulnDex Vulnerability Enrichment
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 1.69% | 0.741 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 7.8 | 1.8 | 5.9 |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 7.2 | 3.9 | 10 |
AV:L/AC:L/Au:N/C:C/I:C/A:C
|
CWE-763 Release of Invalid Pointer or Reference
The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly.
https://www.debian.org/security/2021/dsa-4978
http://www.openwall.com/lists/oss-security/2021/09/18/2
http://www.openwall.com/lists/oss-security/2022/06/04/4
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16c8d2df7ec0eed31b7d3b61cb13206a7fb930cc
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J7KSMIOQ4377CVTHMWNGNCWHMCRFRP2T/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAP4TXEZ7J4EZQMQW5SIJMWXG7WZT3F7/
https://security.netapp.com/advisory/ntap-20211014-0003/