CVE-2024-27406 Information

May 18, 2024 cve

Description

In the Linux kernel the following vulnerability has been resolved:

lib/Kconfig.debug: TEST_IOV_ITER depends on MMU

Trying to run the iov_iter unit test on a nommu system such as the qemu kc705-nommu emulation results in a crash.

KTAP version 1
 Subtest: iov_iter
 module: kunit_iov_iter
1..9

BUG: failure at mm/nommu.c:318/vmap()! Kernel panic - not syncing: BUG!

The test calls vmap() directly but vmap() is not supported on nommu systems causing the crash. TEST_IOV_ITER therefore needs to depend on MMU.

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