Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: soc: brcmstb: pm-arm: Fixed bugs related to reference count leaks and iomem leaks. In brcmstbpmprobe, there are two types of leak bugs: 1 We need to add ofnodeput when foreachmatchingnode breaks. 2 We need to call iounmap for...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: cpufreq: pmac32-cpufreq: Fixed the refcount leak issue. In pmaccpufreqinitMacRISC3, we need to add the corresponding ofnodeput function for the three node pointers whose refcount has been incremented by offindnodebyname...

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

In the Linux kernel, the following vulnerability has been resolved: Ice: Avoid bpfprog refcount underflow The Ice driver includes routines for managing XDP resources that are shared between the ndobpf operation and the VSI rebuild flow. The latter occurs, for example, when the user changes the...

Astra Linux – Vulnerability in Linux 5.10

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 – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Memory: pl353-smc: Fixed a refcount leak issue in pl353smcprobe. The break in foreachavailablechildofnode requires a corresponding ofnodeput when the reference ‘child’ is no longer used. In this case, we don’t need to call...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ARM: zynq: Fixed a refcount leak in zynqearlyslcrinit. offindcompatiblenode returns a node pointer with the refcount incremented; we should use ofnodeput in the error handling path. Add ofnodeput to avoid the refcount leak...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mtd: core: Fixed a refcount error in delmtddevice. delmtddevice calls ofnodeput to mtdgetofnodemtd, which is mtd-dev.ofnode. However, memset&mtd-dev, 0 is called before ofnodeput. As a result, ofnodeput does nothing in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fixed the host’s stage-2 PGD refcount issue The KVM page-table library counts the pages of concatenated stage-2 PGs individually. However, when KVM runs in protected mode, the host’s stage-2 PGD is currently managed b...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mtd: maps: The refcount leak in offlashprobeversatile has been fixed. The function offindmatchingnodeandmatch returns a node pointer with a refcount incremented. We should use ofnodeput on this pointer when it is no longer needed...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix potential AB/BA lock issue with buffermutex and mmaplock The syzbot tool detected a potential deadlock between the runtime-buffermutex and the mm-mmaplock. This issue arose due to the recent fix related to racy...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: MIPS: Cavium-Octeon: The issue of missing nodeput in octeon2usbclocksstart has been fixed. We should call nodeput for the reference uctlnode returned by ofgetparent, as this will increase the refcount. Otherwise, there will be a...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp4: Fixed a refcount leak in mdp4modesetinitintf. In the function ofgraphgetremotenode, the remote device node pointer is returned with the refcount incremented. We should use ofnodeput on it when it is no longer needed...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: mdiobus: fix unbalanced node reference count I encountered the following issue during the devicemscc-miim load test, with CONFIGOFUNITTEST and CONFIGOFDYNAMIC enabled: OF: Error: memory leak; expected refcount 1 instead of 2...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: dpaa2-ptp: Fixed the refcount leak in dpaa2ptpprobe. This node pointer is returned by offindcompatiblenode, and the refcount is incremented. Calling ofnodeput helps to address the refcount leak issue...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: gianfar: ethtool: Fixed a refcount leak in gfargettsinfo The offindcompatiblenode function returns a node pointer with the refcount incremented. We should use ofnodeput on it after processing. Also, add the missing ofnodeput to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: “power: supply: rk817” – Fixed the 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...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: qedf: Fix refcount issue when LOGO is received during TMF A hung task trace was observed during LOGO processing. 974.309060 0000:00:00.0: qedfehdevicereset:868: 1:0:2:0: LUN RESET issued… 974.309065 0000:00:00.0:...

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

In the Linux kernel, the following vulnerability has been resolved: cxl: Fixed the refcount leak in cxlcalccapprouting. The ofgetnextparent function returns a node pointer with the refcount incremented. We should use ofnodeput on it when it is no longer needed. This function only calls ofnodeput ...