4.7

CVE-2022-49089

IB/rdmavt: add lock to call to rvt_error_qp to prevent a race condition

In the Linux kernel, the following vulnerability has been resolved:

IB/rdmavt: add lock to call to rvt_error_qp to prevent a race condition

The documentation of the function rvt_error_qp says both r_lock and s_lock
need to be held when calling that function.  It also asserts using lockdep
that both of those locks are held.  However, the commit I referenced in
Fixes accidentally makes the call to rvt_error_qp in rvt_ruc_loopback no
longer covered by r_lock.  This results in the lockdep assertion failing
and also possibly in a race condition.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.0.4 < 5.4.189
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.111
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.34
Linux ≫ Linux Kernel Version >= 5.16 < 5.16.20
Linux ≫ Linux Kernel Version >= 5.17 < 5.17.3
Linux ≫ Linux Kernel Version5.18 Updaterc1
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.16% 0.056
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 4.7 1 3.6
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
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.

CWE-667 Improper Locking

The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.

https://git.kernel.org/stable/c/43c2d7890ecabe527448a6c391fb2d9a5e6bbfe0
Patch
https://git.kernel.org/stable/c/4d809f69695d4e7d1378b3a072fa9aef23123018
Patch
https://git.kernel.org/stable/c/57800cc36e55db0547461c49acf5cd84c0f502b0
Patch
https://git.kernel.org/stable/c/77ffb2495a41098f9d6a14f8aefde3188da75944
Patch
https://git.kernel.org/stable/c/8a50937227c385a477177c9ffa122b4230e40666
Patch
https://git.kernel.org/stable/c/92f1947c0d26060e978b3a9f21f32ce7c8c9cca3
Patch