UBUNTU-CVE-2022-49223

In the Linux kernel, the following vulnerability has been resolved: cxl/port: Hold port reference until decoder release KASAN + DEBUGKOBJECTRELEASE reports a potential use-after-free in cxldecoderrelease where it goes to reference its parent, a cxlport, to free its id back to port-decoderida. BUG...

UBUNTU-CVE-2022-49224

In the Linux kernel, the following vulnerability has been resolved: power: supply: ab8500: Fix memory leak in ab8500fgsysfsinit kobjectinitandadd takes reference even when it fails. According to the doc of kobjectinitandadd： If this function returns an error, kobjectput must be called to properly...

CVE-2022-49513

In the Linux kernel, the following vulnerability has been resolved: cpufreq: governor: Use kobject release method to free dbsdata The struct dbsdata embeds a struct govattrset and the struct govattrset embeds a kobject. Since every kobject must have a release method and we can't use kfree to free...

CVE-2022-49513

The CVE-2022-49513 issue is in the Linux kernel cpufreq governor: a dbs_data structure embeds a kobject, which requires a release() method. The fix introduces cpufreq_dbs_data_release() to free the dbs_data via kobject::release() instead of direct kfree(), addressing a call trace involving delaye...

CVE-2022-49513 cpufreq: governor: Use kobject release() method to free dbs_data

In the Linux kernel, the following vulnerability has been resolved: cpufreq: governor: Use kobject release method to free dbsdata The struct dbsdata embeds a struct govattrset and the struct govattrset embeds a kobject. Since every kobject must have a release method and we can't use kfree to free...

CVE-2022-49513 cpufreq: governor: Use kobject release() method to free dbs_data

In the Linux kernel, the following vulnerability has been resolved: cpufreq: governor: Use kobject release method to free dbsdata The struct dbsdata embeds a struct govattrset and the struct govattrset embeds a kobject. Since every kobject must have a release method and we can't use kfree to free...

CVE-2022-49370 firmware: dmi-sysfs: Fix memory leak in dmi_sysfs_register_handle

In the Linux kernel, the following vulnerability has been resolved: firmware: dmi-sysfs: Fix memory leak in dmisysfsregisterhandle kobjectinitandadd takes reference even when it fails. According to the doc of kobjectinitandadd If this function returns an error, kobjectput must be called to proper...

CVE-2022-49370

The CVE-2022-49370 issue affects the Linux kernel component handling firmware dmi-sysfs, where a memory leak occurs due to improper cleanup in dmi_sysfs_register_handle when kobject_init_and_add() returns an error. The documented fix is to call kobject_put() to release memory in that failure path...

CVE-2022-49370 firmware: dmi-sysfs: Fix memory leak in dmi_sysfs_register_handle

In the Linux kernel, the following vulnerability has been resolved: firmware: dmi-sysfs: Fix memory leak in dmisysfsregisterhandle kobjectinitandadd takes reference even when it fails. According to the doc of kobjectinitandadd If this function returns an error, kobjectput must be called to proper...

CVE-2022-49259 block: don't delete queue kobject before its children

In the Linux kernel, the following vulnerability has been resolved: block: don't delete queue kobject before its children kobjects aren't supposed to be deleted before their child kobjects are deleted. Apparently this is usually benign; however, a WARN will be triggered if one of the child kobjec...

CVE-2022-49259

The CVE-2022-49259 item concerns a Linux kernel bug where a kobject (queue) could be deleted before its child kobjects, triggering a kernel WARN. The vulnerability stems from improper deletion order in the sysfs/kobject lifecycle, leading to a possible sysfs group not found warning (e.g., 'sysfs...

CVE-2022-49259 block: don't delete queue kobject before its children

In the Linux kernel, the following vulnerability has been resolved: block: don't delete queue kobject before its children kobjects aren't supposed to be deleted before their child kobjects are deleted. Apparently this is usually benign; however, a WARN will be triggered if one of the child kobjec...

CVE-2022-49259

In the Linux kernel, the following vulnerability has been resolved: block: don't delete queue kobject before its children kobjects aren't supposed to be deleted before their child kobjects are deleted. Apparently this is usually benign; however, a WARN will be triggered if one of the child kobjec...

CVE-2022-49224 power: supply: ab8500: Fix memory leak in ab8500_fg_sysfs_init

In the Linux kernel, the following vulnerability has been resolved: power: supply: ab8500: Fix memory leak in ab8500fgsysfsinit kobjectinitandadd takes reference even when it fails. According to the doc of kobjectinitandadd： If this function returns an error, kobjectput must be called to properly...

CVE-2022-49224 power: supply: ab8500: Fix memory leak in ab8500_fg_sysfs_init

In the Linux kernel, the following vulnerability has been resolved: power: supply: ab8500: Fix memory leak in ab8500fgsysfsinit kobjectinitandadd takes reference even when it fails. According to the doc of kobjectinitandadd： If this function returns an error, kobjectput must be called to properly...

CVE-2022-49224 power: supply: ab8500: Fix memory leak in ab8500_fg_sysfs_init

In the Linux kernel, the following vulnerability has been resolved: power: supply: ab8500: Fix memory leak in ab8500fgsysfsinit kobjectinitandadd takes reference even when it fails. According to the doc of kobjectinitandadd： If this function returns an error, kobjectput must be called to properly...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a memory leak caused by not calling kobjectput when kobjectinitandadd fails in ab8500fgsysfsinit...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from the failure to delete a queued kobject before deleting its child kobjects...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: typec: altmode should keep reference to parent The release of the altmode device refers to its parent device, but does not keep a reference to it. When registering the altmode, a reference to the parent device should be...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: md: fixed the kmemleak in rdev-serial If kobjectadd fails in bindrdevtoarray, ‘rdev-serial’ will not be freed, resulting in a kmemleak. Unreferenced object 0xffff88815a350000 size 49152: Comm “mdadm”, pid 789, jiffies 4294716910...