Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: The error handling path in idxdcdevregister has been fixed. If a call to allocchrdevregion fails, the already allocated resources are being leaked. The necessary error handling path has been added to address this...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: jffs2: fixed a memory leak in jffs2scanmedium If an error is returned in jffs2scaneraseblock, and some memory is added to the jffs2summary s, we can observe the following kmemleak report:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: NFSD: prevents integer overflow on 32-bit systems. On a 32-bit system, the operation “len sizeofp” can lead to an integer overflow...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Drivers: tty: serial: Fixed a deadlock in sa1100settermios There is a deadlock in sa1100settermios, as shown below: Thread 1 | Thread 2 | sa1100enablems sa1100settermios | modtimer spinlockirqsave //1 | Wait for a while ... |...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tty: synclinkgt: Fixed the null-pointer-dereference issue in slgtclean. When the driver fails at allochdlcdev, and then we remove the driver module, we will encounter the following error: 25.065966 General protection fault; likel...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Drivers: USB: Host: Fixed a deadlock in oxubussuspend There is a deadlock in oxubussuspend, as shown below: Thread 1 | Thread 2 | timeraction oxubussuspend | modtimer spinlockirq //1 | Wait for a while ... | oxuwatchdog...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3: checking the return value after calling platformgetresource. This will cause a null-ptr-deref if platformgetresource returns NULL; therefore, we need to check the return value...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Tracing: Fixed a sleeping function called from an invalid context in the RT kernel. When setting bootparams="traceevent=initcall:initcallstart tpprintk=1" in the cmdline, the outputprintk function was called, and spinlockirqsave...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - For MIPS architecture: In mipscpcdefaultphysbase, a refcount leak was fixed. - The function ofnodeput was added to release the refcount incremented by offindcompatiblenode...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: vduse: Fixed NULL pointer dereferencing during sysfs access. The control device does not have a drvdata field. Therefore, a NULL pointer dereferencing will occur when accessing the msgtimeout attribute of the control device via...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: unexport init-annotated seg6hmacinit EXPORTSYMBOL and init are a poor combination because the .init.text section is freed after initialization. As a result, modules cannot use symbols annotated with init. Access to a...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Input: sparcsspkr – fixed the refcount leak in bbcbeepprobe. The function offindnodebypath calls ofnodeoptsbypath, which returns a node pointer with a refcount incremented. We should use ofnodeput on it after processing. Add...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Do not free the IRQ if it was not requested. Since the msmdrmuninit function is called from the msmdrminit error path, additional care is necessary to avoid calling freeirq for the IRQ that was not requested. This issue...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: cifs: fixed a double-free race that occurs when the mount operation fails in cifsgetroot When cifsgetroot fails during cifssmb3domount, we call deactivatelockedsuper, which eventually calls delayedfree, which frees the context...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: A memory leak has been fixed in tbnetopen. When tbringallocrx fails in tbnetopen, the memory allocated in tbxdomainallocouthopid is not released. Add tbxdomainreleaseouthopid to the error path to release the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: dpaa2-switch: Fixed a memory leak in dpaa2switchaclentryadd and dpaa2switchaclentryremove. The cmdbuff needs to be freed when an error occurs in dpaa2switchaclentryadd and dpaa2switchaclentryremove...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: can: mcan: pci: added the missing mcanclassfreedev function in probe/remove methods. In mcanpciremove and the error handling path of mcanpciprobe, mcanclassfreedev should be called to release resources allocated by...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: hisisas: Freeing irq vectors in order for v3 HW If the driver probe fails to request the channel IRQ or fatal IRQ, the driver will free the IRQ vectors before freeing the IRQs in freeirq, and this will cause a kernel BUG li...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iouring: fixed the memory leak related to the uid during file registration. When there are no files for iosqefilesscm to process within a certain range, it will free all resources and return. However, it forgot to set the uid...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: rtc: mt6397: Check the return value after calling platformgetresource. This could lead to a null-ptr-deref issue if platformgetresource returns NULL. Therefore, we need to check the return value...