CVE-2024-27406

MEDIUM

Linux Kernel 6.6-6.6.18, 6.7-6.7.6 - NULL Pointer Dereference in vmap()

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 5.5
EPSS 0.0025
EPSS Percentile 15.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (12)
linux/Kernel 6.6.0 - 6.6.19linux
linux/Kernel 6.7.0 - 6.7.7linux
Linux/Linux < 6.6
Linux/Linux 2d71340ff1d41a5b9fc1b30ded12d638b2e2ae96 - 1eb1e984379e2da04361763f66eec90dd75cf63e
Linux/Linux 2d71340ff1d41a5b9fc1b30ded12d638b2e2ae96 - 9e6e541b97762d5b1143070067f7c68f39a408f8
Linux/Linux 2d71340ff1d41a5b9fc1b30ded12d638b2e2ae96 - e6316749d603fe9c4c91f6ec3694e06e4de632a3
Linux/Linux 6.6
Linux/Linux 6.6.19 - 6.6.*
Linux/Linux 6.7.7 - 6.7.*
Linux/Linux 6.8
... and 2 more
Published May 17, 2024
Tracked Since Feb 18, 2026