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

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: xgmac: Fixed the handling of Data Path Parity Errors for DMA channels. The commit 56e58d6c8a56 „net: stmmac: Implement Safety Features in XGMAC core“ checks for safety errors, but leaves Data Path Parity Errors for...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/tdx: Fixed a data leak in the mmioread function. The mmioread function calls a TDVMCALL to retrieve MMIO data for a specific address from the VMM. Sean noticed that mmioread inadvertently exposes the value of an initialized...

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: Media: Tuner: xc5000: Fixed a use-after-free in xc5000release. The original code used canceldelayedwork in xc5000release, which does not guarantee that the delayed work item, timersleep, has fully completed if it was already...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/spufs: The refcount leak in spufsinitisolatedloader has been fixed. The offindnodebypath function returns a nodepointer for a remote device, and the refcount is incremented. We should use ofnodeput on it after...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bootmem: The vmemmap pages are removed from kmemleak when freeing the page. These pages were previously marked as part of kmemleak when allocated from a memblock. Removing them from kmemleak ensures that errors related to thes...

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: ACPI: processoridle: A memory leak was fixed in acpiprocessorpowerexit. After unregistering the CPU idle device, the memory associated with it wasn’t freed, resulting in a memory leak: unreferenced object 0xffff896282f6c000 size...

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

In the Linux kernel, the following vulnerability has been resolved: Binder: A memory leak was fixed in binderinit. In binderinit, the destruction of binderallocshrinkerinit is not performed in the correct path, which can lead to memory leaks. Therefore, this commit introduces...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed a reference count leak in bpfprogtestrunxdp syzbot reports: unregisternetdevice: Waiting for sit0 to become available. Usage count = 2. A debug printk patch revealed that a reference count is obtained at...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In isotp.bind, there is a need to check the CAN address family. A missing check was added to prevent binds that use a non-AFCAN address family. Syzbot created some code that correctly determined the appropriate size of the sockad...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8192u: Fixed a deadlock in ieee80211beaconsstop. There is a deadlock in ieee80211beaconsstop, as shown below: Thread 1 | Thread 2 | ieee80211sendbeacon ieee80211beaconsstop | modtimer spinlockirqsave //1 | Wa...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Staging: wfx – fixed an error handling issue in wfxinitcommon. One error handler of wfxinitcommon returns without calling ieee80211freehwhw, which could lead to a memory leak. I have also added an error label to unify the error...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hciconn: A null pointer dereferencing occurred in hciabortconn. hciabortconn attempts to read hciskbeventhdev-sentcmd when a connection is pending. However, hdev-sentcmd can be NULL while reqstatus remains HCIREQPEN...

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: net/sched: qfq: Use clisactive to determine whether a class is active in qfqrmfromag. This is more of a preventive patch aimed at making the code more consistent and preventing possible exploits that involve manipulating child ql...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mISDN: A possible memory leak in mISDNregisterdevice has been fixed. After committing 1fa5ae857bb1 "driver core: get rid of struct device’s busid string array", the name of the device is allocated dynamically. The putdevice...

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

In the Linux kernel, the following vulnerabilities have been resolved: netsched: schsfq: Fixed a potential crash during handling of gsoskb. SFQ assumes that it is always able to queue at least one packet. However, after the committed change, sch-q.len can be inflated by packets in sch-gsoskb. An...

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

In the Linux kernel, the following vulnerability has been resolved: cpufreq: The exit callback is optional. The exit callback is not required and should not be called without first checking a valid pointer. Additionally, we must clear the freqtable pointer even if the exit callback is not present...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Driver: iio: added missing checks for access to iioinfo’s callbacks. Some callbacks from the iioinfo structure are accessed without any checks. Therefore, if a driver does not implement these callbacks, attempting to access th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: ipa: Hash tables are only reset when supported. Last year, the code that manages GSI channel transactions switched from using spinlock-protected linked lists to using indexes in the ring buffer used for a channel. Recently,...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel up to version 6.2.7, fs/ntfs3/inode.c contains an invalid kfree function because it does not validate the MFT flags before replaying logs...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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...