Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ftrace: Clean up the hash of directfunctions in case of register failures. The following GPF errors occur when registerftracedirect fails: General protection fault, likely for non-canonical addresses \ 0x200000000000010: 0000 ...

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

In the Linux kernel, the following vulnerability has been resolved: DM integrity: Error in the call to kmemcachedestroy in dmintegrityinit. Otherwise, the journaliocache will be leaked if dmregistertarget fails...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tracing/eprobes: Do not allow eprobes to use $stack, or % for regs While working with event probes eprobes, I tried to see what would happen if I attempted to retrieve the instruction pointer %rip knowing that event probes do not...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Fixed a crash that occurred due to out-of-bounds access to reg2btfids. When the commit e6ac2450d6de “bpf: Support bpf programs that call kernel functions” added support for kfunc, it defined reg2btfids as a convenient way...

Astra Linux – Vulnerability in Linux, Linux 5.10

A flaw after-free usage in the function scosocksendmsg of the Linux kernel’s HCI subsystem was discovered. This flaw allows a privileged local user to exploit it to crash the system or escalate their privileges on the system. This flaw triggers a race condition when the user calls ioct...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iio: light: isl29028: Fixed the warning in isl29028remove The driver uses a non-managed form of the register function in isl29028remove. To maintain the release order that mirrors the ordering in probe, the driver should also use...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/MCE: Always save the CS register in cases of AMD Zen IF Poison errors. The Instruction Fetch IF units on current AMD Zen-based systems do not guarantee a synchronous MC for poison consumption errors. Therefore,...

Astra Linux – Vulnerability in xorg-server

A flaw was discovered in xorg-x11-server in versions prior to 21.1.2 and prior to 1.20.14. An out-of-bounds access can occur in the SwapCreateRegister function. The greatest threat posed by this vulnerability is related to data confidentiality and integrity, as well as system availability...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

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...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: media: amphion: Set video drvdata before registering the video device. video drvdata should be set before the video device is registered; otherwise, videodrvdata may return NULL in the open file operations, leading to errors...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: ena: Fixed error handling in enainit. The enainit function no longer destroys the workqueue created by createsinglethreadworkqueue when pciregisterdriver fails. Instead, call destroyworkqueue when pciregisterdriver fails to...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: netsec: fixed error handling in netsecregistermdio. If phydeviceregister fails, phydevicefree must be called to reset the reference count; thus, the memory associated with the phy device and its name can be freed in the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Class: A possible memory leak in classregister has been fixed. If classaddgroups returns an error, the cp-subsys needs to be unregistered, and the cp needs to be freed. We cannot call ksetunregister here, because the cls will be...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: lapbether: Fixed an issue with invalid opcode in lapbethopen. If lapbregister fails when the lapb device goes online for the first time, the NAPI is not disabled. As a result, the invalid opcode issue is reported when the la...

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

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix for checking attempts to corrupt spilled pointers When a register is spilled onto a stack as a 1/2/4-byte register, we set slottypeBPFREGSIZE - 1 plus possibly a few more bytes below it, depending on the actual spill siz...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Thermal: Core – The putdevice function should only be called after deviceregister fails. putdevice should not be called before a previous call to deviceregister. thermalcoolingdeviceregister does not follow this principle...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mcb: mcb-parse: fixed an error in handling chameleonparsegdd. If mcbdeviceregister returns an error in chameleonparsegdd, the reference count of the bus and device names is exposed. This issue is addressed by calling putdevice to...

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: fbdev/ep93xx-fb: Do not assign to struct fbinfo.dev. Do not assign the Linux device to struct fbinfo.dev. The call to registerframebuffer initializes the field to the fbdev device. Drivers should not override its value. Fixed a b...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: clk: clocking-wizard: Fixed an error in clkwzrdregisterdivider. A match was detected for a potential error of dereferencing the pointer in clkwzrdregisterdivider. If devmclkHWRegister fails, it sets “hw” to an error pointer, and...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mISDN: fixed an issue involving misuse of putdevice in mISDNregisterdevice. We should not release references to putdevice before calling deviceinitialize...