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Ubuntu.comUB:CVE-2021-46911HistoryFeb 27, 2024 - 12:00 a.m.
CVE-2021-46911
2024-02-2700:00:00
ubuntu.com
ubuntu.com
9
linux kernel
vulnerability
ch_ktls
page refcount
kernel panic
tx_ctx lock
skb transmit
ack received
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 23.10 | noarch | linux | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 14.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 16.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-aws | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-aws | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-aws | < any | UNKNOWN |
References
git.kernel.org/linus/1a73e427b824133940c2dd95ebe26b6dce1cbf10 (5.12-rc8)
git.kernel.org/stable/c/1a73e427b824133940c2dd95ebe26b6dce1cbf10
git.kernel.org/stable/c/8348665d4181c68b0ca1205b48e1753d78bc810f
git.kernel.org/stable/c/8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f
launchpad.net/bugs/cve/CVE-2021-46911
nvd.nist.gov/vuln/detail/CVE-2021-46911
security-tracker.debian.org/tracker/CVE-2021-46911
www.cve.org/CVERecord?id=CVE-2021-46911
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