Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fbcon: Fixed the issue of NULL pointer dereferencing for a console without vcdata. The function fbconnewmodelist is called when the modelist of a framebuffer changes. For each console mapped to it using fbdisplayi.mode, it reads...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: ftcm: Fixed NULL pointer dereferencing in nexus handling The pointer tpg-tpgnexus in the USB Target driver is dynamically managed and tied to userspace configuration via ConfigFS. It can become NULL if the USB host...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dw-edma: Initialize IRQ data before requesting IRQs. The function dwedmairqrequest passes the struct dwedmairq structure to requestirq, before dwedmachannelsetup fills the back pointer. As a result, a shared interrupt...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: A NULL pointer dereference occurred in amdgpudmconnectoraddcommonmodes. In amdgpudmconnectoraddcommonmodes, amdgpudmcreatecommonmode assigns mode to mode, and mode is directly passed to drmmodeprobedadd...

Astra Linux – Vulnerability in libjpeg-turbo

Libjpeg-turbo 1.5.2 has a NULL Pointer Dereference issue in files jdpostct.c and jquant1.c, due to a malicious JPEG file...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pinctrl: devicetree: fixed null pointer dereferencing in pinctrldttomap Here is the BUG report by KASAN regarding null pointer dereferencing: BUG: KASAN: nullptrderef in strcmp+0x2e/0x50 A read of size 1 was performed at address...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bug: Unchecked dereferencing of a NULL pointer in the kernel. Address: 0000000000000000 Causes: - ip6rcvcore net/ipv6/ip6input.c:190:20 - ipv6rcv net/ipv6/ip6input.c:306:8 - processbacklog net.core/dev.c:6186:4 - napipoll...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: ravb: avoid dereferencing an invalid PTP clock. The PTP clock is unavailable before the first operation; therefore, querying its index may lead to dereferencing a NULL pointer. Registration failures may also leave an error...

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

In the Linux kernel, the following vulnerability has been resolved: nfsd: returns -EINVAL when namelen is 0 When we have a corrupted main.sqlite file in /var/lib/nfs/nfsdcld/, it may result in namelen being 0, which will cause memdupuser to return ZEROSIZEPTR. When we access the name.data that ha...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: fixed a NULL pointer dereferencing in nvmeallocadmintags. In nvmeallocadmintags, adminq can be set to an error typically -ENOMEM if the blkmqinitqueue call fails to set up the queue. This condition is checked immediatel...

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: NFSv4/flexfiles: rejecting a zero filehandle-version count The fflayoutalloclseg function decodes the count of the filehandle-version array from the flexfiles layout body. This value is used as the count for kzallocobjs, and the...

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: ASoC: qcom: Fixed NULL dereference in asocqcomlpasscpuplatformprobe. The devmkzalloc function in asocqcomlpasscpuplatformprobe might potentially return a NULL pointer. A NULL pointer dereference could occur without any...

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: batman-adv: v: Stop OGMv2 on disabled interfaces When the batadvhardiface is disabled, its meshiface pointer is set to NULL. However, batadvvogmsendmeshif may still dispatch OGM messages via batadvvogmqueueonif for interfaces tha...

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: nfs: Handling of failures in nfsgetlockcontext during unlock path When memory is insufficient, the allocation of nfslockcontext in nfsgetlockcontext fails and returns -ENOMEM. If we mistakenly treat an nfs4unlockdata structure...

Astra Linux – Vulnerability in SQLite3

The file ext/fts3/fts3snippet.c in SQLite before version 3.32.0 contains a NULL pointer dereferencing issue due to a malicious matchinfo query...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: platform/surface: acpi-notify: Check ACPI companion before use Since every platform driver may be forced to match a device that does not match its list of device IDs due to devicematchdriveroverride, platform drivers that rely on...

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: nexthop: Fixed the issue where IPv6 routes referenced an IPv4 nexthop. syzbot reported a panic 12. When an IPv6 nexthop is replaced with an IPv4 nexthop, the hasv4 flag of all groups containing this nexthop is not updated. Thi...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: Check the return value of mdbitmapgetcounter. Check the return value of mdbitmapgetcounter in case it returns a NULL pointer, which would lead to a null pointer dereferencing. v2: Update the check to include...

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: scsi: target: core: Fixed the nullptrderef issue in targetallocdevice There is a nullptrderef issue reported by KASAN: BUG: KASAN: nullptrderef in targetallocdevice+0xbc4/0xbe0 targetcoremod … kasanreport+0xb9/0xf0...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Input: mtk-pmic-keys – fixed the issue of possible null pointer dereferencing. In mtkpmickeysprobe, the regs parameter is only set if the button is parsed in the device tree. However, on hardware where the button is left floating...