5.5

CVE-2021-46949

sfc: farch: fix TX queue lookup in TX flush done handling

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

sfc: farch: fix TX queue lookup in TX flush done handling

We're starting from a TXQ instance number ('qid'), not a TXQ type, so
 efx_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/5b1faa92289b53cad654123ed2bc8e10f6ddd4ac
Patch
https://git.kernel.org/stable/c/98d91180748986bfb6dfb3e72765f3225719a647
Patch
https://git.kernel.org/stable/c/a1570985ec04116cc665b760faf666a104154170
Patch
https://git.kernel.org/stable/c/fb791572d6747ef385f628450f8d57cd132e6e5a
Patch