5.5

CVE-2021-47539

rxrpc: Fix rxrpc_peer leak in rxrpc_look_up_bundle()

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

rxrpc: Fix rxrpc_peer leak in rxrpc_look_up_bundle()

Need to call rxrpc_put_peer() for bundle candidate before kfree() as it
holds a ref to rxrpc_peer.

[DH: v2: Changed to abstract out the bundle freeing code into a function]
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.10 < 5.10.84
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.7
Linux ≫ Linux Kernel Version5.16 Updaterc1
Linux ≫ Linux Kernel Version5.16 Updaterc2
Linux ≫ Linux Kernel Version5.16 Updaterc3
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.22% 0.125
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.

https://git.kernel.org/stable/c/35b40f724c4ef0f683d94dab3af9ab38261d782b
Patch
https://git.kernel.org/stable/c/bc97458620e38961af9505cc060ad4cf5c9e4af7
Patch
https://git.kernel.org/stable/c/ca77fba821351190777b236ce749d7c4d353102e
Patch