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

In the Linux kernel, the following vulnerability has been resolved: dm flakey: fixed an crash caused by an invalid table line. This command will cause a crash when using a NULL pointer dereference: dmsetup create flakey --table "0 blockdev --getsize /dev/ram0 flakey /dev/ram0 0 0 1 2 corruptbioby...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: rtw89: pci: validate sequence number of TX release report Hardware rarely reports an abnormal sequence number in the TX release report, which may lead to an out-of-bounds access to the wdring-pages array, causing a NULL...

Astra Linux – Vulnerability in Qemu

In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, which can lead to a NULL pointer dereferencing...

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

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Added a check for cstate. Since kzalloc may fail and return a NULL pointer, it would be better to check the cstate to avoid dereferencing the NULL pointer in drmatomichelpercrtcreset. Patchwork:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Firmware: armffa: Check if ffadriverremove is present before executing it. Currently, ffadrv-remove is called unconditionally from ffadeviceremove. Since the driver registration does not check for this, and allows it to be...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Tracing: kprobe: Fixed a potential nullptrdereference issue in traceeventfile in kprobeeventgentestexit. When tracegeteventfile fails, genkretprobetest will be assigned as the error code. If the kprobeeventgentest module is remov...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Added a null pointer check for dpuencoderneedsmodeset. The drmatomicgetnewconnectorstate function may return NULL if the connector is not part of the atomic state. A check was added to prevent a NULL pointer...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: cifs: preventing incorrect output lengths in smb2ioctlqueryinfo When calling smb2ioctlqueryinfo with smbqueryinfo::flags=PASSTHRUFSCTL and smbqueryinfo::outputbufferlength=0, the following value of 0x10 will be returned. c buffer...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: vfio/mdev: Fixed a null-ptr-deref bug for mdevunregisterparent Inject a fault while probing mdpy.ko. If the kstrdup function fails in kobjectaddinternal, which occurs in kobjectinitandadd, mdevtypeadd, parentcreatesysfsfiles, it...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xsk: Check IFFUP earlier in the Tx path. The Xsk Tx operation can be triggered via either sendmsg or poll system calls. Both paths involve a call to the common function xskxmit, which contains two sanity checks. Here’s a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek – Assign a dummy codec when no specific codec is specified for a DAI link. MediaTek sound card drivers check whether a DAI link exists and is being used on a board. They assign the correct parameters to the DAI lin...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net-sysfs: added a check to ensure netdevice is present before using speedshow. When disabling the netdevice or during system shutdown, a panic may occur when accessing the sysfs path, because the device has already been removed...

Astra Linux – Vulnerability in libarchive

In libarchive before version 3.6.2, the software does not check for an error after calling the calloc function. This function may return a NULL pointer if it fails, leading to a NULL pointer being dereferenced. NOTE: The discoverer cites this CWE-476 issue, but third parties dispute its impact on...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: checked for a null return from devmkzalloc in dpuwritebackinit. Due to the possible failure of devmkzalloc, dpuwbconn might be NULL, which could lead to a null pointer derefrence later. Therefore, it might be better ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PCI: rcar-host: The proper IRQ domain must be passed to generichandledomainirq. Starting with the commit dd26c1a23fd5 “PCI: rcar-host: Switch to msicreateparentirqdomain”, the MSI parent IRQ domain is set to NULL because the obje...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: microchip: sparx5: Fixed a potential null-ptr-deref in sparxstatsinit and sparx5start. sparxstatsinit calls createsinglethreadworkqueue, without checking the return value. This may result in NULL being returned. A...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: ep0: fix NULL pointer exception There is no validation of the index from dwc3wIndextodep, and we might be referring to a non-existent ep, triggering a NULL pointer exception. In certain configurations, we might use few...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: xen/netback: Avoid entering xenvifrxnextskb with an empty rx queue. xenvifrxnextskb expects the rx queue not to be empty. However, if the loop in xenvifrxaction performs multiple iterations, the availability of another skb in the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: acpi: Fixed suspend with Xen PV The commit f1e525009493 "x86/boot: Skipping realmode init code when running as Xen PV guest" missed one code path that accessed the realmodeheader, leading to a NULL dereference when suspending the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: The issue of NULL pointer dereferencing occurred when testing as follows: a Using syscallNRSocket, 0x10ul, 3ul, 0 to create a netlink socket. b Using syscallNRSendMsg, ... to create a bond link device and a vxcan link device, and...