Race Condition Affecting kernel-rt-debug-devel package, versions <0:4.18.0-477.10.1.rt7.274.el8_8
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Test your applications- Snyk ID SNYK-CENTOS8-KERNELRTDEBUGDEVEL-2858549
- published 4 Jun 2022
- disclosed 9 May 2022
How to fix?
Upgrade Centos:8
kernel-rt-debug-devel
to version 0:4.18.0-477.10.1.rt7.274.el8_8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-devel
package and not the kernel-rt-debug-devel
package as distributed by Centos
.
See How to fix?
for Centos:8
relevant fixed versions and status.
An out-of-bounds read flaw was found in the Linux kernel’s TeleTYpe subsystem. The issue occurs in how a user triggers a race condition using ioctls TIOCSPTLCK and TIOCGPTPEER and TIOCSTI and TCXONC with leakage of memory in the flush_to_ldisc function. This flaw allows a local user to crash the system or read unauthorized random data from memory.