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

In the Linux kernel, the following vulnerability has been resolved: net: fec: Better handling of the case where pmruntimeget fails in .remove. In the unlikely event that pmruntimeget disguised as pmruntimeresumeandget fails, the remove callback returns an error early. The problem with this is tha...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a leak of kobject names for the sub-group spaceinfo. When the createspaceinfosubgroup function allocates elements of spaceinfo-subgroup, the kobjectinitandadd function is called for each element via...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iavf: Fix for the hang during reboot/shutdown The recent commit 974578017fc1 “iavf: Add waiting so the port is initialized in remove” adds a wait-loop at the beginning of iavfremove, to ensure that port initialization is complete...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: xhci: sideband: do not dereference a freed ring when removing a sideband endpoint. xhcisidebandremoveendpoint incorrectly assumes that the endpoint is running and has a valid transfer ring. Lianqin reported a crash during...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: kernel/printk/index.c: fixed the memory leak that occurred when using debugfslookup. When calling debugfslookup, the result must be processed by calling dput, otherwise a memory leak will occur over time. To simplify things, simp...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: uhci: fixed a memory leak that occurred when using debugfslookup. When calling debugfslookup, the result must also contain a call to dput; otherwise, a memory leak will occur over time. To simplify things, simply call...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nfc: st-nci: Fixed a use-after-free bug in ndlcremove due to a race condition This bug affects both stncii2cremove and stncispiremove. Take stncii2cremove as an example. In stncii2cprobe, it calls ndlcprobe and binds &ndlc-smwork...

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

In the Linux kernel, the following vulnerability has been resolved: media: rcarfdp1: Fixed a reference count leak in the probe and remove functions. rcarfcpget takes a reference, which should be balanced with rcarfcpput. Added the missing rcarfcpput function in fdp1remove, and corrected the error...

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

In the Linux kernel, the following vulnerability has been resolved: spmi: Added a check for a remove callback when removing a SPMI driver. When removing a SPMI driver, a crash may occur due to a NULL pointer dereference if no remove callback is defined. This was observed in a call trace during th...

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

In the Linux kernel, the following vulnerabilities have been resolved: Power: Supply: bq27xxx: Fixed handling of pollinterval and races during removal operations. Before this patch, the bq27xxxbatteryteardown function set pollinterval to 0 to avoid requeuing the delayedwork item during...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwlwifi: Fixed a potential use of the object “link” after it is freed in the function iwlmldremovelink. This code frees “link” by calling kfreerculink, rcuhead, and then it dereferes “link” to obtain “link-fwid”. Save...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: md-raid10: fixed the KASAN warning There is a KASAN warning in raid10removedisk when running the lvm test lvconvert-raid-reshape.sh. We have fixed this warning by verifying that the value “number” is valid. BUG: KASAN:...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: mmc: omaphsmmc: fixed the return value check in mmcaddhost The mmcaddhost function may return an error. If we ignore its return value, it will cause two issues: 1. The memory allocated in mmcallochost may be leaked. 2. In the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: tpd12s015: A buggy exit annotation for the remove function was removed. With tpd12s015remove marked with exit, this function is discarded when the driver is compiled as a built-in component. As a result, when the driv...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: usb: xhciplatremove: avoid NULL dereference Since commit 4736ebd7fcaff1eb8481c140ba494962847d6e0a “usb: host: xhci-plat: omit shared hcd if either root hub has no ports”, xhci-sharedhcd can be NULL, which causes the following...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Avoid use-after-free in dbg for hciremoveadvmonitor KASAN reports that there’s a use-after-free in hciremoveadvmonitor. By examining the disassembly, it can be seen that the issue arises from the access in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iavf: Fixed an out-of-bounds situation when setting channels during iavfremove. If the channels are set to a value greater than what is actually allocated, it will cause a timeout, and an error will be returned. However, the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: USB: ULPI: A memory leak has been fixed by using debugfslookup. When calling debugfslookup, the result must also call dput; otherwise, a memory leak will occur over time. To simplify things, simply call debugfslookupandremove,...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: rpmsg: virtio: Free driveroverride when rpmsgremove Free driveroverride when rpmsgremove. Otherwise, the following memory leak will occur: Unreferenced object 0xffff0000d55d7080 size 128: comm "kworker/u8:2", pid 56, jiffies...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: Fixed a race condition between netvscprobe and netvscremove. In commit ac5047671758 “hvnetvsc: Disabling NAPI before closing the VMBus channel”, napidisable was called for all channels, including all subchannels, withou...