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Test your applicationsUpgrade RHEL:8
python3-perf
to version 0:4.18.0-372.87.1.el8_6 or higher.
This issue was patched in RHSA-2024:0412
.
Note: Versions mentioned in the description apply only to the upstream python3-perf
package and not the python3-perf
package as distributed by RHEL
.
See How to fix?
for RHEL:8
relevant fixed versions and status.
A use-after-free vulnerability in the Linux kernel's af_unix component can be exploited to achieve local privilege escalation.
The unix_stream_sendpage() function tries to add data to the last skb in the peer's recv queue without locking the queue. Thus there is a race where unix_stream_sendpage() could access an skb locklessly that is being released by garbage collection, resulting in use-after-free.
We recommend upgrading past commit 790c2f9d15b594350ae9bca7b236f2b1859de02c.