Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - regulator: pfuze100 – Fixed the refcount leak in pfuzeparseregulatorsdt. - ofnodeget now returns a node with the refcount incremented. - calling ofnodeput to drop the reference when it’s no longer needed...

Astra Linux – Vulnerability in Linux

A vulnerability was discovered in the Linux kernel, where a reference count leak in the llcpsockconnect function causes a use-after-free condition, which may lead to privilege escalation...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iommu/amd/iommuv2: Fixed the issue where the refcount for pasidstate was decremented to 0 during pasid unbind. When pasid is unbound, there is a race condition related to outstanding page faults. To prevent this, the pasidstate...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: remoteproc: k3-r5: Fixed the reference count leak in k3r5clusterofinit. In every iteration of the foreachavailablechildofnode loop, the reference count of the previous node is decremented. When exiting the loop early, we need to...

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 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: nfsd: Under NFSv4.1, fix the issue where double svcxprtput operations on rpccreate cause failures. In error situations, clp-clcbconn.cbxprt should not be referenced as referring to xprt. Otherwise, both client cleanup and erro...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pinctrl: nomadik: Fixed the refcount leak in nmkpinctrldtsubnodetomap. The function ofparsephandle 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...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: gpio/rockchip: fixed the refcount leak in rockchipgpiolibregister The node returned by ofgetparent, where the refcount is incremented, needs to be called when it is no longer used. Therefore, this issue should be added at the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: amba: bus – fix refcount leak The commit 5de1540b7bc4 from drivers/amba: create devices from device tree increases the refcount of ofnode, but does not release it in ambadevicerelease. This results in a refcount leak. To avoid...

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:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/xive: Fixed the refcount leak in xivespaprinit. offindcompatiblenode returns a node pointer with a refcount incremented; we should use ofnodeput on it after processing. Added ofnodeput to prevent the refcount leak...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - fbdev: clcdfb: Fixed a refcount leak in clcdfbofvramsetup. - ofparsephandle returns a node pointer with the refcount incremented. We should use ofnodeput on it when it is no longer needed. Add ofnodeput to avoid the refcount...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: libertas – Fixed a possible reference count leak in ifusbprobe. The function usbgetdev will be called before lbsgetfirmwareasync. This means that the function usbputdev must be called when lbsgetfirmwareasync fails...

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 – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: irqchip/realtek-rtl: The refcount leak in mapinterrupts has been fixed. The offindnodebyphandle function returns a node pointer with a incremented refcount. We should use ofnodeput on it when there is no longer a need for it. Thi...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: irqchip: The refcount leak in platformirqchipprobe 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 the missing...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: 9p: Fixed the fid refcount leak in v9fsvfsatomicopendotl. We need to release the directory fid if we fail at any point during the open operation. This fix addresses the issue of fid leaking during xfstests with the generic test 5...

Astra Linux – Vulnerability in Linux 5.15, 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 ...

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...