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: In of: displaytiming, there is a fix for the refcount leak in ofgetdisplaytimings. The function ofparsephandle returns a devicenode with the refcount incremented. This value is stored in ‘entry’ and then copied to...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: dm: fixed a NULL pointer race issue when completing IO operations. The dmiodecpending call first calls endioacct, then decreases the number of pending DMA operations. However, if a task swaps the DM table at the same time, thi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/coco: Requires seeding the RNG with RDRAND on CoCo systems. There are few uses of CoCo that do not rely on functional cryptography and, consequently, a functioning RNG. Unfortunately, the CoCo threat model means that the VM...

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: bus: fsl-mc: fix double-free on mcdev The committed code attempted to simplify the process of deallocations, but this led to a double-free on the mcdev variable. If the MC device is a DPRC, a new mcbus is allocated, and the mcdev...

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

In the Linux kernel, the following vulnerability has been resolved: of/irq: Prevent device address out-of-bounds read in interrupt map walk When ofirqparseraw is invoked with a device address smaller than the interrupt parent node from address-cells property, KASAN detects the following...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Device property: Fixed an infinite loop in fwnodeforeachchildnode. When iterating over the children of a fwnode that has a secondary fwnode, fwnodegetnextchildnode can enter an infinite loop if the secondary fwnode has more than...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ax25: The refcount leak caused by setting the SOBINDTODEVICE socket option has been fixed. If an AX25 device is bound to a socket by setting the SOBINDTODEVICE socket option, a refcount leak will occur in ax25release. The commit...

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: tpm: Changed to kvalloc in eventlog/acpi.c The following failure was reported on HPE ProLiant D320: 10.693310 T1 tpmtis STM0925:00: 2.0 TPM device-id 0x3, rev-id 0 10.848132 T1 ------------ Cut here ------------ 10.853559 T1...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: loop: Overflow check during loop configuration The user space can configure a loop using an ioctl call. In this process, a configuration of type loopconfig is passed see the loioctl case on line 1550 of drivers/block/loop.c. This...

Astra Linux – Vulnerability in Zabbix

Setting the SMS media allows for setting the GSM modem file. This file is later used as a Linux device. But since everything is a file for Linux, it’s possible to set another file, such as a log file. In this case, Zabbixserver will attempt to communicate with it as a modem. As a result, the log...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: MIPS: vpe-mt: fixed a possible memory leak when the module exits. After committing 1fa5ae857bb1 “driver core: removed the struct device’s busid string array”, the name of the device is allocated dynamically. This allocation needs...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Device property: Fixed the node refcount leak in fwnodegraphgetnextendpoint. The “parent” returned by fwnodegraphgetportparent has its refcount incremented when ‘prev’ is not NULL. This variable needs to be set after using it...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6/sit: Use DEVSTATSINC to avoid data races. syzbot/KCSAN reported that multiple CPUs are updating dev-stats.txerror concurrently. This occurs because sit tunnels use NETIFFLLTX, which means their ndostartxmit function is not...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iio: trigger: sysfs: fix a possible memory leak in iiosysfsTrigInit The devsetname function allocates memory for the device name. This memory needs to be freed when deviceadd fails. After calling putdevice, the reference held by...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fixed a reference count leak in pprnotifier. According to the comments for pcigetdomainbusandslot, it returns a PCI device with a reference count that increments after use. The caller must decrement the reference count...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: dm integrity: Memory corruption occurs when tagsize is less than digestsize. It is possible to configure dm-integrity in such a way that the tagsize parameter is smaller than the actual digestsize. In this case, a portion of the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: PM: core: keep irq flags in devicepmcheckcallbacks The function devicepmcheckcallbacks can be called under the spin lock in the reported case, it happens from genpdadddevice - devpmdomainset, when the genpd uses spinlocks rather...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ata: libata-transport: fixed error handling in atatlinkadd In atatlinkadd, the return value of transportadddevice is not checked. As a result, a nullptrdereference exception occurs when removing the module, because...

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

In the Linux kernel, the following vulnerabilities have been resolved: dmaengine: qcom: bamdma: Fixed error handling for num-channels/ees When there is no clock specified in the device tree, there is no way to ensure that BAM is enabled. This often occurs for remotely controlled or remotely power...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI/DOE: Fixed the race involving destroyworkonstack. The following debug object splat was observed during testing: ODEBUG: Freeing an active object active state 0: 0000000097d23782; Object type: workstruct; Hint:...