CVE-2021-46911
Medium
Elevated severity or exploit probability.
CVSS base
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.6%
47.0th percentile
CISA KEV
Not listed
Weakness / dates
—
Published 2024-02-27 · modified 2026-08-04
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| 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: ch_ktls: Fix kernel panic Taking page refcount is not ideal and causes kernel panic sometimes. It's better to take tx_ctx lock for the complete skb transmit, to avoid page cleanup if ACK received in middle.
Affected
References
- https://git.kernel.org/stable/c/1a73e427b824133940c2dd95ebe26b6dce1cbf10
- https://git.kernel.org/stable/c/8348665d4181c68b0ca1205b48e1753d78bc810f
- https://git.kernel.org/stable/c/8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f
- https://git.kernel.org/stable/c/1a73e427b824133940c2dd95ebe26b6dce1cbf10
- https://git.kernel.org/stable/c/8348665d4181c68b0ca1205b48e1753d78bc810f
- https://git.kernel.org/stable/c/8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f