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[3.9] gh-97514: Don't use Linux abstract sockets for multiprocessing (GH-98501) by miss-islington · Pull Request #98504 · python/cpython · GitHub
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[3.9] gh-97514: Don't use Linux abstract sockets for multiprocessing (GH-98501)#98504

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ambv merged 1 commit into
python:3.9from
miss-islington:backport-49f6106-3.9
Oct 28, 2022
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[3.9] gh-97514: Don't use Linux abstract sockets for multiprocessing (GH-98501)#98504
ambv merged 1 commit into
python:3.9from
miss-islington:backport-49f6106-3.9

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miss-islington commented Oct 20, 2022 •
edited by bedevere-bot
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Linux abstract sockets are insecure as they lack any form of filesystem
permissions so their use allows anyone on the system to inject code into
the process.

This removes the default preference for abstract sockets in
multiprocessing introduced in Python 3.9+ via
#18866 while fixing
#84031.

Explicit use of an abstract socket by a user now generates a
RuntimeWarning. If we choose to keep this warning, it should be
backported to the 3.7 and 3.8 branches.
(cherry picked from commit 49f6106)

Co-authored-by: Gregory P. Smith greg@krypto.org

pythongh-97514: Don't use Linux abstract sockets for multiprocessing (p… …
85178d5
…ythonGH-98501) Linux abstract sockets are insecure as they lack any form of filesystem permissions so their use allows anyone on the system to inject code into the process. This removes the default preference for abstract sockets in multiprocessing introduced in Python 3.9+ via python#18866 while fixing python#84031. Explicit use of an abstract socket by a user now generates a RuntimeWarning. If we choose to keep this warning, it should be backported to the 3.7 and 3.8 branches. (cherry picked from commit 49f6106) Co-authored-by: Gregory P. Smith <greg@krypto.org>
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miss-islington commented Oct 20, 2022

Sorry, I can't merge this PR. Reason: You're not authorized to push to this branch. Visit https://docs.github.com/articles/about-protected-branches/ for more information..

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miss-islington commented Oct 20, 2022

Sorry, I can't merge this PR. Reason: You're not authorized to push to this branch. Visit https://docs.github.com/articles/about-protected-branches/ for more information..

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miss-islington commented Oct 20, 2022

Sorry, I can't merge this PR. Reason: You're not authorized to push to this branch. Visit https://docs.github.com/articles/about-protected-branches/ for more information..

gpshead added the 3.9 (EOL) end of life label Oct 20, 2022
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miss-islington commented Oct 20, 2022

Sorry, I can't merge this PR. Reason: You're not authorized to push to this branch. Visit https://docs.github.com/articles/about-protected-branches/ for more information..

gpshead mentioned this pull request Oct 20, 2022
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ambv merged commit b43496c into python:3.9 Oct 28, 2022
miss-islington deleted the backport-49f6106-3.9 branch October 28, 2022 10:08
gpshead mentioned this pull request Nov 10, 2022
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tshu-w mentioned this pull request Nov 14, 2022
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3.9 (EOL) end of life release-blocker type-security A security issue

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