CVE-2022-41218

介绍 该漏洞是发生在 drivers/media/dvb-core/dmxdev.c 中的一个竞态条件漏洞。 因此，使用此 dmxdev 的 USB 设备驱动程序中也可能发生竞态条件。 此漏洞可用于触发 3 次 UAF。 漏洞 1. vmalloc UAF 写入 首先，漏洞利用的顺序如下（我使用 drivers/media/usb/ttusb-dec/ttusbdec.c 进行了调试）： cpu0 cpu1 cpu 2 1. dvbdvropen 2. ttusbdecdisconnect ttusbdecexitdvb dvbdmxdevrelease...

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

In the Linux kernel, the following vulnerability has been resolved: Media: dvb-frontends: tda10048 – Fixed integer overflow. state-xtalhz can be up to 16M; when multiplied by pllmfactor, it may cause an integer overflow of 32 bits. A new 64-bit variable was created to store the calculated values...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb: az6027: fixed a nullptrderef in az6027i2cxfer Wei Chen reported a kernel bug as follows: General protection fault, likely for non-canonical addresses KASAN: nullptrderef within the range...

PT-2026-89144

An issue in GPAC c2dee3aff638cd96f9617ac5b17dc2868cd90ef3 allows an attacker to execute arbitrary code via the src/media tools/dvb mpe.c, descriptorTime slice fec identifier and gf m2ts ipdatagram reader components. Fixed in 0e4093392e1f847c90d20e031e893cd942fef938...

EUVD-2026-75128

An issue in GPAC c2dee3aff638cd96f9617ac5b17dc2868cd90ef3 allows an attacker to execute arbitrary code via the src/mediatools/dvbmpe.c, descriptorTimeslicefecidentifier and gfm2tsipdatagramreader components. Fixed in 0e4093392e1f847c90d20e031e893cd942fef938...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: dvb-frontends: fix leak of memory fw...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: The dvbdev: device driver adopts a reference counter to avoid Use-After-Free UAF vulnerabilities. It is known that the dvbunregisterdevice function is prone to use-after-free issues. In other words, the cleanup performed by...

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

In the Linux kernel, the following vulnerability has been resolved: media: netupunidvb: fix use-after-free at deltimer When the Universal DVB card is being detached, netupunidvbdmafini uses deltimer to stop the dma-timeout timer. However, when the timer handler netupunidvbdmatimeout is running,...

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: Media: edia: dvbdev: fixed a use-after-free issue. In dvbregisterdevice, pdvbdev is set to equal dvbdev, which is freed in several error-handling paths. However, pdvbdev is not set to NULL after dvbdev’s deallocation, resulting i...

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

A issue was discovered in the Linux kernel through version 6.0.9. In the file drivers/media/dvb-core/dvbnet.c, there is a race condition between .disconnect and dvbdeviceopen, which leads to a use-after-free situation...

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: Media: dvb-frontends: dib3000mb: The issue of an uninitialized value was fixed in dib3000writereg. Syzbot reports that there is an issue with uninitialized values discovered by KMSAN in dib3000readreg. The local variable rb2 is...

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

A issue was discovered in the file drivers/media/dvb-core/dvbfrontend.c within the Linux kernel version 6.2. There is a blocking operation that occurs when a task is in the !TASKRUNNING state. In the function dvbfrontendgetevent, the function waiteventinterruptible is called; the condition used i...

Astra Linux – Vulnerability in gst-plugins-bad1.0

GStreamer DVB Subtitles Out-of-Bounds: Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability, but the attack vectors may vary dependi...

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

In the Linux kernel, the following vulnerability has been resolved: media: anysee: fixed the null-ptr-deref in anyseemasterxfer. In anyseemasterxfer, msg is controlled by the user. When msgi.buf is null and msgi.len is zero, previous checks on msgi.buf will still be performed. Malicious data will...

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

In the Linux kernel, the following vulnerability has been resolved: media: xc2028: Avoid use-after-free in loadfirmwarecb Syzkaller reported a use-after-free in loadfirmwarecb 1. The reason is that the module allocated a struct tuner in tunerprobe, and then the module initialization failed, causi...

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: media: dvb-frontends: avoid stack overflow warnings with clang A previous patch addressed a issue related to KASAN in stv0367; now a similar problem has emerged with clang: drivers/media/dvb-frontends/stv0367.c:1222:12: Error:...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: dvb-core: Fixed a double-free in dvbregisterdevice. In the function dvbregisterdevice - dvbregistermediadevice - dvbcreatemediaentity, the dvb-entity is allocated and initialized. If the initialization fails, the dvb-entit...

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: media: dvb-usb: m920x: A potential memory leak has been fixed in m920xi2cxfer. The “read” function is freed when it is determined to be NULL, but not when a read error occurs. The logic has been revised to avoid a small leak in...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Media: dvb-usb: fixed a memory leak in dvbusbadapterinit Syzbot reported a memory leak in “dvbusbadapterinit.” The leak occurs because the current iteration’s adapter-priv is not freed in case of an error. Currently, if an error...

CVE-2026-70628

A flaw was found in FFmpeg. An attacker could exploit a signed integer overflow vulnerability within the DVB subtitle parser by providing a specially crafted WTV Windows Recorded TV Show file. This overflow can lead to a heap buffer overflow, enabling out-of-bounds memory writes. The consequence ...