7

CVE-2021-3609

Exploit
.A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in the CAN subsystem to corrupt memory, crash the system or escalate privileges. This race condition in net/can/bcm.c in the Linux kernel allows for local privilege escalation to root.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 2.6.25 < 4.4.276
Linux ≫ Linux Kernel Version >= 4.5 < 4.9.276
Linux ≫ Linux Kernel Version >= 4.10 < 4.14.240
Linux ≫ Linux Kernel Version >= 4.15 < 4.19.198
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.132
Linux ≫ Linux Kernel Version >= 5.5.0 < 5.10.50
Linux ≫ Linux Kernel Version >= 5.11 < 5.12.17
Linux ≫ Linux Kernel Version >= 5.13 < 5.13.2
Redhat ≫ 3scale Api Management Version 2.0
Redhat ≫ Build Of Quarkus Version 1.0
Redhat ≫ Virtualization Version 4.0
Redhat ≫ Virtualization Host Version 4.0
Redhat ≫ Enterprise Linux Aus Version 8.2
Redhat ≫ Enterprise Linux Eus Version 8.1
Redhat ≫ Enterprise Linux Eus Version 8.2
Redhat ≫ Enterprise Linux Eus Version 8.4
Netapp ≫ H300s Firmware Version -
   Netapp ≫ H300s Version -
Netapp ≫ H500s Firmware Version -
   Netapp ≫ H500s Version -
Netapp ≫ H700s Firmware Version -
   Netapp ≫ H700s Version -
Netapp ≫ H300e Firmware Version -
   Netapp ≫ H300e Version -
Netapp ≫ H500e Firmware Version -
   Netapp ≫ H500e Version -
Netapp ≫ H700e Firmware Version -
   Netapp ≫ H700e Version -
Netapp ≫ H410s Firmware Version -
   Netapp ≫ H410s Version -
Netapp ≫ H410c Firmware Version -
   Netapp ≫ H410c Version -
Netapp ≫ H610c Firmware Version -
   Netapp ≫ H610c Version -
Netapp ≫ H610s Firmware Version -
   Netapp ≫ H610s Version -
Netapp ≫ H615c Firmware Version -
   Netapp ≫ H615c Version -
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.43% 0.343
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7 1 5.9
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NIST 6.9 3.4 10
AV:L/AC:M/Au:N/C:C/I:C/A:C
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

https://bugzilla.redhat.com/show_bug.cgi?id=1971651
Third Party Advisory
Issue Tracking
https://github.com/nrb547/kernel-exploitation/blob/main/cve-2021-3609/cve-2021-3609.md
Third Party Advisory
Exploit
Technical Description
https://github.com/torvalds/linux/commit/d5f9023fa61ee8b94f37a93f08e94b136cf1e463
Patch
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220419-0004/
Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/06/19/1
Third Party Advisory
Mailing List