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CVE-2023-3389 A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege…

Description

A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation. Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer. We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable).

Affected products and versions

Product Affected versions Fixed in
kernel 5.13 5.13 → < 6.4 6.4
kernel 5.10 5.10.162 → < 5.10.185 5.10.185
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem 1.1 earliest → < 1.1 1.1

References

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