CVE-2021-46948
Medium
Elevated severity or exploit probability.
CVSS base
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS — probability of exploitation (30 days)
0.6%
46.9th percentile
CISA KEV
Not listed
Weakness / dates
CWE-476
Published 2024-02-27 · modified 2026-08-04
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | N | None |
| Availability | H | High |
Timeline
- 2024-02-27 — Published (NVD)
- 2026-08-04 — Last modified (NVD)
Description
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).
Affected
References
- https://git.kernel.org/stable/c/35c7a83ad1bb1d48ae249346e61b1132bcbf9052
- https://git.kernel.org/stable/c/83b09a1807415608b387c7bc748d329fefc5617e
- https://git.kernel.org/stable/c/bf2b941d0a6f2d3b9f5fa3c4c21bdd54f71ce253
- https://git.kernel.org/stable/c/e531db1ea6f98c9612cb2de093a107c7eadfb96c
- https://git.kernel.org/stable/c/35c7a83ad1bb1d48ae249346e61b1132bcbf9052
- https://git.kernel.org/stable/c/83b09a1807415608b387c7bc748d329fefc5617e
- https://git.kernel.org/stable/c/bf2b941d0a6f2d3b9f5fa3c4c21bdd54f71ce253
- https://git.kernel.org/stable/c/e531db1ea6f98c9612cb2de093a107c7eadfb96c