vulnerability

Ubuntu: (Multiple Advisories) (CVE-2024-38616): Linux kernel vulnerabilities

Severity
9
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:C)
Published
06/19/2024
Added
08/09/2024
Modified
02/20/2025

Description

In the Linux kernel, the following vulnerability has been resolved:

wifi: carl9170: re-fix fortified-memset warning

The carl9170_tx_release() function sometimes triggers a fortified-memset
warning in my randconfig builds:

In file included from include/linux/string.h:254,
from drivers/net/wireless/ath/carl9170/tx.c:40:
In function 'fortify_memset_chk',
inlined from 'carl9170_tx_release' at drivers/net/wireless/ath/carl9170/tx.c:283:2,
inlined from 'kref_put' at include/linux/kref.h:65:3,
inlined from 'carl9170_tx_put_skb' at drivers/net/wireless/ath/carl9170/tx.c:342:9:
include/linux/fortify-string.h:493:25: error: call to '__write_overflow_field' declared with attribute warning: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Werror=attribute-warning]
493 | __write_overflow_field(p_size_field, size);

Kees previously tried to avoid this by using memset_after(), but it seems
this does not fully address the problem. I noticed that the memset_after()
here is done on a different part of the union (status) than the original
cast was from (rate_driver_data), which may confuse the compiler.

Unfortunately, the memset_after() trick does not work on driver_rates[]
because that is part of an anonymous struct, and I could not get
struct_group() to do this either. Using two separate memset() calls
on the two members does address the warning though.

Solution(s)

ubuntu-upgrade-linux-image-6-8-0-1008-gkeubuntu-upgrade-linux-image-6-8-0-1009-raspiubuntu-upgrade-linux-image-6-8-0-1010-ibmubuntu-upgrade-linux-image-6-8-0-1010-oemubuntu-upgrade-linux-image-6-8-0-1010-oracleubuntu-upgrade-linux-image-6-8-0-1010-oracle-64kubuntu-upgrade-linux-image-6-8-0-1011-nvidiaubuntu-upgrade-linux-image-6-8-0-1011-nvidia-64kubuntu-upgrade-linux-image-6-8-0-1011-nvidia-lowlatencyubuntu-upgrade-linux-image-6-8-0-1011-nvidia-lowlatency-64kubuntu-upgrade-linux-image-6-8-0-1012-azureubuntu-upgrade-linux-image-6-8-0-1012-azure-fdeubuntu-upgrade-linux-image-6-8-0-1012-gcpubuntu-upgrade-linux-image-6-8-0-1013-awsubuntu-upgrade-linux-image-6-8-0-40-genericubuntu-upgrade-linux-image-6-8-0-40-generic-64kubuntu-upgrade-linux-image-6-8-0-40-lowlatencyubuntu-upgrade-linux-image-6-8-0-40-lowlatency-64kubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-fdeubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-64kubuntu-upgrade-linux-image-generic-64k-hwe-24-04ubuntu-upgrade-linux-image-generic-hwe-24-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-ibmubuntu-upgrade-linux-image-ibm-classicubuntu-upgrade-linux-image-ibm-lts-24-04ubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-64kubuntu-upgrade-linux-image-nvidiaubuntu-upgrade-linux-image-nvidia-6-8ubuntu-upgrade-linux-image-nvidia-64kubuntu-upgrade-linux-image-nvidia-64k-6-8ubuntu-upgrade-linux-image-nvidia-lowlatencyubuntu-upgrade-linux-image-nvidia-lowlatency-64kubuntu-upgrade-linux-image-oem-24-04ubuntu-upgrade-linux-image-oem-24-04aubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-64kubuntu-upgrade-linux-image-raspiubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-24-04
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.