5.5

CVE-2021-47538

rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer()

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

rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer()

Need to call rxrpc_put_local() for peer candidate before kfree() as it
holds a ref to rxrpc_local.

[DH: v2: Changed to abstract the peer freeing code out into a function]
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.19.82 < 4.19.220
Linux ≫ Linux Kernel Version >= 5.3.9 < 5.4
Linux ≫ Linux Kernel Version >= 5.4.1 < 5.4.164
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.84
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.7
Linux ≫ Linux Kernel Version5.4 Update-
Linux ≫ Linux Kernel Version5.4 Updaterc4
Linux ≫ Linux Kernel Version5.4 Updaterc5
Linux ≫ Linux Kernel Version5.4 Updaterc6
Linux ≫ Linux Kernel Version5.4 Updaterc7
Linux ≫ Linux Kernel Version5.4 Updaterc8
Linux ≫ Linux Kernel Version5.16 Updaterc1
Linux ≫ Linux Kernel Version5.16 Updaterc2
Linux ≫ Linux Kernel Version5.16 Updaterc3
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.02% 0.046
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.