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PT-2022-5291 · Python +9 · Python +9

🗓️ 10 Mar 2020 00:00:00Reported by Positive TechnologiesType 
ptsecurity
 ptsecurity🔗 dbugs.ptsecurity.com👁 15 Views

Python multiprocessing forkserver on Linux allows local privilege escalation via pickle deserialization; disable abstract sockets as a workaround.

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11 Aug 2025 00:00Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17.8 - 9.8
CVSS 28
CVSS 37.5 - 9.8
CVSS 48.7
EPSS0.75116
SSVC
python 3.9python 3.10multiprocessing forkserverlinux vulnerabilitypickle deserializationprivilege escalationabstract sockets workaround
15