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: fbdev: The fbnewmodelist function was fixed to prevent a nullptrderef in fbvideomodetovar. info-var, which represents the current mode of a framebuffer, is expected to have a matching entry in info-modelist. The vartodisplay...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Fixed NULL pointer dereferencing in acpievaddressspacedispatch. A new check was added to cover missed execution paths...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/virtio: fixed a NULL pointer dereference in virtiogpuconngetmodes drmcvtmode may return NULL, and we should check for this. This bug was discovered by syzkaller: FAULTINJECTION stacktrace: 168.567394 FAULTINJECTION: forcin...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: misc: alcorpci: Fix nullptrderef when there is no PCI bridge There is an issue with the ASPM optional capability checking function. A device may be directly connected to the root complex. In this case, bus-selfbridge will be...

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

In the Linux kernel, the following vulnerability has been resolved: Fou: Fixed the null-ptr-deref in GRO. We observed a null-ptr-deref in fougroreceive while shutting down a host. 0 The NULL pointer is sk-skuserdata, and the offset 8 represents the protocol field in the struct fou structure. When...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: rtc: cmos: Fix event handler registration ordering issue Since acpiinstallfixedeventhandler automatically enables the event handling mechanism upon success, it is incorrect to call it before the handler routine is ready to handle...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In the mm module, a NULL pointer dereference was addressed in the allocpagesbulknoprof function. A NULL pointer dereference occurred in allocpagesbulknoprof when the task was migrated between different CPU sets. This happened...

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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: rfcomm: Fixed a nullptrderef issue in rfcommchecksecurity. During our fuzz testing of the connection and disconnection processes at the RFCOMM layer, we discovered this bug. By comparing the packets generated during a...

Astra Linux – Vulnerability in Firefox

The return value from gfx::SourceSurfaceSkia::Map wasn’t verified, which could potentially lead to a null pointer dereferencing. This vulnerability affects Firefox versions less than 110...

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

In the Linux kernel, the following vulnerabilities have been resolved: rhashtable: It is necessary to clear the stale iter-p value upon table restart. The rhashtablewalkstartcheck function has two restart paths when resuming a walk. When iter-walker.tbl is valid, it revalidates iter-p against the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: A null pointer check should be added for getfirstactivedisplay. The function modhdcphdcp1enableencryption calls the function getfirstactivedisplay, but does not check its return value. The return value is a null...

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 found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipvs: fixed the NULL pointer dereference in the route error path of ipv4 null-ptr-deref. The IPv4 code path in ipvsgetoutrt calls dstlinkfailure, without ensuring that skb-dev is set. This leads to a NULL pointer dereference in...

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: net: afcan – Do not leave a dangling sk pointer in cancreate. When the cancreate function fails, it releases the allocated sk object. However, sockinitdata has already attached this object to the provided sock object. This will...

Astra Linux – Vulnerability in Qemu

A NULL pointer dereference flaw was discovered in the SCSI emulation support of QEMU in versions prior to 6.0.0. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The greatest threat from this vulnerability is to system availability...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: pci: tw68: Fixed the nullptrderef bug in the buf prepare and finish steps. When the driver calls tw68riscbuffer to prepare the buffer, the function call dmaalloccoherent may fail, resulting in an empty buffer buf-cpu. Late...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: fix null-ptr-deref in ext4writeinfo I identified a null-ptr-deref bug as follows: ================================================================== KASAN: null-ptr-deref in range 0x0000000000000068-0x000000000000006f CPU: ...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: SoundWire: Revisiting the driver’s bind/unbind operations and callbacks In the SoundWire framework, we store a pointer from the driver operations in the “slave” structure. This can lead to kernel errors when unbinding codec...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm: bridge: anx7625: Fixed NULL pointer dereferencing due to early interrupt requests. If an interrupt occurs before resource initialization is complete, the interrupt handler/worker may access uninitialized data, such as the I2...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fixed the potential NULL-ptr-dereference issue. The indevget function may return NULL, which could lead to a failure when the idev variable is dereferenced in indevforeachifartnl. This patch adds a check for a NULL...