CVE-2021-46911

published 2024-02-27

CVE-2021-46911: 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…

Priority P4 19 medium 5.5 CVSS 3.1

AV L AC L PR L UI N S U C N I N A H

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

11 ranges

Vendor	Product	Version range	Fixed in
debian	linux	< linux 5.10.38-1 (bookworm)	linux 5.10.38-1 (bookworm)
linux	linux	—	—
linux	linux	>= 5a4b9fe7fece62ecab6fb28fe92362f83b41c33e < 8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f	8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f
linux	linux	>= 5a4b9fe7fece62ecab6fb28fe92362f83b41c33e < 8348665d4181c68b0ca1205b48e1753d78bc810f	8348665d4181c68b0ca1205b48e1753d78bc810f
linux	linux	>= 5a4b9fe7fece62ecab6fb28fe92362f83b41c33e < 1a73e427b824133940c2dd95ebe26b6dce1cbf10	1a73e427b824133940c2dd95ebe26b6dce1cbf10
linux	linux_kernel	>= 0 < 5.10.38-1	5.10.38-1
linux	linux_kernel	>= 0 < 5.10.38-1	5.10.38-1
linux	linux_kernel	>= 0 < 5.10.38-1	5.10.38-1
linux	linux_kernel	>= 0 < 5.10.38-1	5.10.38-1
linux	linux_kernel	>= 5.11.0 < 5.11.16	5.11.16
linux	linux_kernel	>= 5.7.0 < 5.10.32	5.10.32

CVSS provenance

nvd v3.1 5.5 MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

osv 5.5 MEDIUM

vendor_debian 5.5 MEDIUM

vendor_redhat 5.5 MEDIUM

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CWE-20