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

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Locking external INTx masking operations Masking operations by changing the config space for DisINTx may cause races with INTx configuration changes made via ioctl. Create wrappers that add locking mechanisms for paths...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: PCI: Avoid deadlock in sriovnumvfsstore caused by pcidevlock The sysfs sriovnumvfsstore path acquires the device lock before the config space access lock: sriovnumvfsstore devicelock A 1 acquires the device lock sriovconfigure...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: The handling of the pcichanneliofrozen case is now performed only in amdgpupciresume. In current code, when a PCI error state pcichannelionormal is detected, it will report the PCIERSRESULTCANRECOVER status to the PCI...

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

In the Linux kernel, the following vulnerability has been resolved: iavf: Fix use-after-free in freenetdev We do netifnapiadd for all allocated qvectors, but potentially do netifnapidel for part of them, then kfree qvectors and leave invalid pointers at dev-napilist. Reproducer: root@host cat...

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

In the Linux kernel, the following vulnerability has been resolved: pciiounmap: Fixed the MMIO mapping leak. The ifdef ARCHHASGENERICIOPORTMAP condition accidentally also guards iounmap, which means MMIO mappings are leaked. We have moved the guard so that we call iounmap for MMIO mappings...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed the refcount leak for PCI devices According to the comments on pcigetdomainbusandslot, it returns a PCI device with a refcount that increments after use. Therefore, the caller must decrement the reference count ...

Astra Linux – Vulnerabilities in Linux, Linux-5.15, Linux-5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwlwifi: pcie: Fixed an integer overflow in the iwlwritetouserbuf function. An integer overflow occurs in the iwlwritetouserbuf function, which is called by the iwldbgfsmonitordataread function. The function is as follows: ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PCI: Endpoint: pci-epf-vntb: Remove duplicate resource teardown The epfntbepcdestroy function duplicates the teardown that the caller is supposed to perform later. This leads to an error when .allowlink fails, or when .droplink i...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: media: cx25821: Fixed the warning when removing the module When removing the module, the following warning will appear: 14.746697 removeprocentry: Removing the non-empty directory ‘irq/21’; data is being leaked at least from...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PCI: Fixed the requirement that devices managed by PME polling must be in the RPMACTIVE state. The fix notes that devices managed by runtime PM need to be in the RPMACTIVE state for PME polling. In fact, only devices in low-power...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iavf: Error handling in iavfinitmodule has been fixed. The iavfinitmodule no longer destroys the workqueue when pciregisterdriver fails. Instead, call destroyworkqueue when pciregisterdriver fails to prevent a resource leak. This...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PCI: mediatek – Fixed a refcount leak in mtkpciesubsyspowerup. The offindcompatiblenode function returns a node pointer whose refcount has been incremented. We should use ofnodeput on it after processing. Also, add the missing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cxl/ras: Fixed the device confusion related to the CPER handler. Upon inspection, the cxlcperhandleproterr function makes several fragile assumptions that can lead to crashes: 1. It assumes that the endpoints identified in the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PCI: mediatek-gen3 – A refcount leak was addressed in mtkpcieinitirqdomains. The function ofgetchildbyname returns a node pointer whose refcount is incremented. Therefore, we should use ofnodeput on it when we no longer need it. ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtio-pci: Check if isavq is NULL Bug In the virtiopcicommon.c function vpdelvqs, vpdev-isavq is used to determine whether it is an admin virtqueue. However, this variable may be empty. In some installations, virtiopcilegacy doe...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: “misc: pciendpointtest”: Fixed an array underflow in pciendpointtestioctl. The commit eefb83790a0d “misc: pciendpointtest: Add doorbell test case” added NOBAR -1 to the pcibarno enum. In practical terms, this changes the enum...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: phy: ralink: mt7621-pci: add sentinel to quirks table By fixing socdevattr to register the SOC as a device, the kernel will encounter an OOPs error in socdevicematchattr. This quirks test was introduced in the staging driver in t...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtio-pci: The result size returned for the admin command completion has been corrected. The result size returned by virtiopciadmindevpartsget is 8 bytes larger than the actual result data size. This occurs because the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: PCI: pciehp: Fixed an infinite loop in the IRQ handler upon a power fault. The Power Fault Detected bit in the Slot Status register differs from all other hot-plug events in that it is sticky: It can only be cleared after...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: PCI/bwctrl: Fixed NULL pointer dereferencing when bus numbers are exhausted. When the BIOS fails to assign bus numbers to PCI bridges, the kernel attempts to correct this during PCI device enumeration. If there are no availabl...