5.5

CVE-2021-46948

sfc: farch: fix TX queue lookup in TX event handling

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

sfc: farch: fix TX queue lookup in TX event handling

We're starting from a TXQ label, not a TXQ type, so
 efx_channel_get_tx_queue() is inappropriate (and could return NULL,
 leading to panics).
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.10.0 < 5.10.36
Linux ≫ Linux Kernel Version >= 5.11.0 < 5.11.20
Linux ≫ Linux Kernel Version >= 5.12.0 < 5.12.3
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-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://git.kernel.org/stable/c/35c7a83ad1bb1d48ae249346e61b1132bcbf9052
Patch
https://git.kernel.org/stable/c/83b09a1807415608b387c7bc748d329fefc5617e
Patch
https://git.kernel.org/stable/c/bf2b941d0a6f2d3b9f5fa3c4c21bdd54f71ce253
Patch
https://git.kernel.org/stable/c/e531db1ea6f98c9612cb2de093a107c7eadfb96c
Patch