Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: core – Ensure that the LLD module reference count is set after the SCSI device is released. The SCSI host release is triggered when the SCSI device is freed. We must ensure that the low-level device driver module is not...

Astra Linux – Vulnerability in Parsec

The vulnerability of the pdpl-user utility in the PARSEC security subsystem is related to improper memory release after its use. Exploiting this vulnerability allows an attacker to cause a service failure...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: The label should be released when replacing an existing ct entry. The cited “commit” does not release the label mapping when replacing an existing ct entry, leading to the following memory leak report: Unreferenced...

Astra Linux – Vulnerability in Linux 5.10

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

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: jffs2: fixed a memory leak in jffs2dofillsuper. If jffs2iget or dmakeroot in jffs2dofillsuper returns an error, we can observe the following kmemleak report: -------------------------------------------- unreferenced object...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cxl/port: Hold a reference to the port until the decoder is released. KASAN + DEBUGKOBJECTRELEASE reports a potential use-after-free in cxldecoderrelease. This function references its parent object, a cxlport, to free its id back...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: tty: A possible resource leak was fixed in icomprobe. When pcireadconfigdword failed, calls to pcireleaseregions and pcidisabledevice were made to reallocate the previously allocated resources...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: brcmfmac: pcie: Firmware is released in the brcmfmacpciesetup error path. This prevents memory leaks if the brcmfchipgetraminfo function fails. Note that the CLM blob is released in the device removal path...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: The function dcstreamrelease is called when removing the link enc assignment. Why A porting error caused the stream assignment for the link to be retained instead of being released—resulting in a memory leak. How...

Astra Linux – Vulnerability in Linux, Linux 5.10

A vulnerability was discovered in the cgroupreleaseagentwrite function of the Linux kernel, within the kernel/cgroup/cgroup-v1.c file. Under certain circumstances, this flaw allows the use of the cgroups v1 releaseagent feature to escalate privileges and bypass namespace isolation unexpectedly...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ntbnetdev: Use devkfreeskbany in interrupt context. TX/RX callback handlers ntbnetdevtxhandler, ntbnetdevrxhandler can be called in interrupt context via the DMA framework after the respective DMA operations are completed...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: cpufreq: The completion function is called before kobjectinitandadd. In cpufreqpolicyalloc, the uninitialized completion function is called in cpufreqsysfsrelease when kobjectinitandadd fails. This will cause a crash, such as a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/handshake: fixed null-ptr-deref in handshakenldonedoit We should not call tracehandshakecmddoneerr if the socket lookup fails. We should also call tracehandshakecmddoneerr before releasing the file; otherwise, dereferencin...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbdev: imxfb: Unnecessary releasememregion has been removed. The unnecessary releasememregion was removed from the error path to prevent the memregion from being released twice, which could lead to resource leaks or other...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ext4: fix warning in ‘ext4dareleasespace’ The Syzkaller report describes the issue as follows: EXT4-fs loop0: Details of free/dirty blocks EXT4-fs loop0: freeblocks=0 EXT4-fs loop0: dirtyblocks=0 EXT4-fs loop0: Details of block...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed incorrect reg type conversion in releasereference Some helper functions will allocate memory. To avoid memory leaks, the verifier requires the eBPF program to release this memory by calling the corresponding helper...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “Revert ‘tty: ngsm: fix UAF in gsmcleanupmux’” This reversion involves commit 9b9c8195f3f0d74a826077fc1c01b9ee74907239. The above commit was reverted because it did not solve the original issue. The function gsmcleanupmux attempt...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: scsi: mpi3mr: Fixed a DMA memory leak in the configuration page. A fix was also provided for: DMA-API: For the PCI device with address 0000:83:00.0, the device driver had pending DMA allocations even after it was released from...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mctp i2c: Do not count unused/invalid keys for flow release. We are currently encountering the WARNON message in mctpi2cflowrelease: c if midev-releasecount midev-i2clockcount WARNONCE1, "Release count overflow"; This issue may...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drivers: dio: A possible memory leak has been fixed in dioinit. If deviceregister returns an error, the dev object and its associated name need to be freed. Add a release function, and then call putdevice in the error handling...