CVE-2021-46949

low-risk
Published 2024-02-27

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).

Do I need to act?

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0.03% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (8)

Patch 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 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
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal