Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mtd: maps: Fixed the refcount leak in apflashinit. offindmatchingnode returns a node pointer with a refcount incremented; we should use ofnodeput on it when there is no longer a need for it. Added the missing ofnodeput call to...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: fixed a refcount bug in skpsockget2. Syzkaller reported the refcount bug as follows: ------------ cut here ------------ refcountt: saturated; memory was leaking. WARNING: CPU: 1 PID: 3605 at lib/refcount.c:19...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: regulator: of: Fixed a refcount leak issue in ofgetregulationconstraints We should call ofnodeput for the reference returned by ofgetchildbyname, as this increased the refcount...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-of-esdhc: Fixed the refcount leak in esdhcsignalvoltageswitch. The offindmatchingnode function returns a node pointer with a refcount incremented. We should use ofnodeput on it when there is no longer a need for it. Ad...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: imx-hdmi: Fixed a reference count leak in imxhdmiprobe. The offinddevicebynode function takes a reference; we should use putdevice to release that reference. When devmkzalloc fails, there is no putdevice to release the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: “power: supply: rk817: Fix node refcount leak” Dan Carpenter reported that the Smatch static checker identified another refcount leak in the probe function. While the ofnodeput function was added in one of the return paths, it...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: The issue of the refcount leak in the PCI device during amdgpuatrmgetbios has been fixed. According to the comments on pcigetclass, it returns a pcidevice with its refcount being incremented. Additionally, the refcoun...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: rapidio: devices: fixed the issue where putdevice was missing in mportcdevopen. When kfifoalloc fails, the reference count of chdev-dev remains incremented. We should use putdevice&chdev-dev to decrement the reference count of...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: altera: Fixed the reference count leak in alteratsemdiocreate. In every iteration of foreachchildofnode, the reference count of the previous node is decremented. When exiting a foreachchildofnode loop, we need to explicitly...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: char: xillybus: fix a refcount leak in cleanupdev The usbgetdev function is called in xillyusbprobe. Therefore, it is better to call usbputdev before releasing the xdev...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Ethernet: Fixed error handling in xemacliteofprobe The node pointer is returned by ofparsephandle, and the reference count is incremented in this function. Calling ofnodeput is used to avoid the reference count leak. The remove...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: hwmon: In coretemp, a bug was fixed regarding the reference count leak of PCI devices in nv1aramnew. According to the comments on pcigetdomainbusandslot, it returns a PCI device whose reference count is incremented after use. The...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: mdio: Fixed an unbalanced fwnode reference count in mdiodevicerelease. There is a warning report regarding a refcount leak when probing the mdio device: OF: Error: Memory leak; the expected refcount was 1 instead of 2. The...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ARM: exynos: Fixed a refcount leak in exynosmappmu. offindmatchingnode returns a node pointer with a refcount incremented. We should use ofnodeput on it when there is no longer a need for it. Added ofnodeput to avoid the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: HSI: omapssi: Fixed a refcount leak in ssiprobe. When returning from or prematurely terminating a foreachavailablechildofnode loop, we need to explicitly call ofnodeput on the child node to potentially release the node...

Astra Linux – Vulnerability in isc-dhcp

In ISC DHCP 4.4.0 - 4.4.3, and ISC DHCP 4.1-ESV-R1 - 4.1-ESV-R16-P1, when the function optioncodehashlookup is called from addOption, it increments the refcount field of the option. However, there is no corresponding call to optiondereference to decrement the refcount field. The function addOptio...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: irqchip/alpine-msi: The refcount leak in alpinemsixinitdomains has been fixed. The function ofirqfindparent returns a node pointer with the refcount incremented. We should use ofnodeput on it when it is no longer needed. Add...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: dsa: microchip: kszcommon: Fixed the refcount leak bug. In kszswitchregister, we should call ofnodeput for the reference returned by ofgetchildbyname, which has increased the refcount...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pinctrl: rockchip: Fixed the refcount leak in rockchippinctrlparsegroups. The function offindnodebyphandle returns a node pointer with the refcount incremented. We should use ofnodeput on it when it is no longer necessary. Add th...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: configfs: A possible memory leak has been fixed in configfscreatedir. kmemleak: Memory leaks were reported in configfscreatedir. - Unreferenced object 0xffff888009f6af00 size 192: Command: “modprobe”, PID: 3777, Jiffies:...