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

In the Linux kernel, the following vulnerability has been resolved: serial: imx: fix tx statemachine deadlock When using the serial port as a RS485 port, the tx statemachine is used to control the RTS pin to drive the RS485 transceiver’s TXEN pin. When the TTY port is closed mid-transmission e.g....

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mISDN: fixed a possible use-after-free in HFCcleanup The remove path of this module calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running aft...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Reverting “drm/amd: flush any delayed gfxoff on suspend entry” The commit ab4750332dbe “drm/amdgpu/sdma5.2: add begin/enduse ring callbacks” caused GFXOFF control to be used more heavily, and the codepath that was removed from...

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: x86, relocs: Ignore relocations in the .notes section. When building with CONFIGXENPV=y, .text symbols are emitted into the .notes section so that Xen can find the “startupxen” entry point. This information is used before booting...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: phy: mdio: fix memory leak Syzbot reported a memory leak in the MDIO bus interface. The problem was due to incorrect state logic. The MDIOBUSALLOCATED state indicates two possible states: 1. The bus is only allocated. 2. The bus ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dma-buf: Fixed NULL pointer dereferencing in sanitycheck. If mockchain returns NULL due to a memory allocation failure, it is passed to dmafenceenableswsignaling, resulting in a NULL pointer dereferencing there. Call...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: qede: ensure that the skb is allocated before use. qedebuildskb assumes that buildskb always works and proceeds directly to skbreserve. However, buildskb may fail under memory pressure. This results in a kernel panic because the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: bridge: Fixed the issue of null pointer dereference in the vlan tunnel’s destination pointer. This patch addresses the issue where the tunneldst pointer was dereferenced without proper safeguards, due to lockless access in t...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: avoid disabling offload when it was never enabled In a rather strange API design decision, qdisc-destroy is called even if qdisc-init never succeeded. This isn’t exclusive to the commit 87b60cfacf9f “netsched:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: chipidea – fixed a memory leak that occurred when using debugfslookup. When calling debugfslookup, the result must also contain a call to dput; otherwise, memory will leak over time. To simplify things, simply call...

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: clk: qcom: mmcc-apq8084 – fixed the termination of frequency table arrays. The frequency table arrays should be terminated with an empty element. Add such an entry to the end of the arrays where it is missing, in order to avoid...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: clk: st: Fixed a memory leak in stofquadfssetup. If stclkregisterquadfspll fails, @lock should be freed before going to @errexit; otherwise, it will cause a memory leak issue. Fix this issue...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: i2c: img-scb – fixed a reference leak when pmruntimegetsync fails. The PM reference count is not expected to be incremented upon a return from the functions imgi2cxfer and imgi2cinit. However, pmruntimegetsync will still incremen...

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: usb: dwc3: qcom: Fix potential memory leak The function dwc3qcomprobe allocates memory for the resource structure pointed by the parentres pointer. This memory is not freed, leading to a memory leak. Using stack memory can preven...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fixed NULL pointer dereferencing in nilfspalloccommitfreeentry. Syzbot reported a NULL pointer dereferencing bug: NILFS loop0: segctord started. Construction interval = 5 seconds, CP frequency 3c 02 00 0f 85 26 05 00 0...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tty: synclinkgt: Fixed the null-pointer-dereference issue in slgtclean. When the driver fails at allochdlcdev, and then we remove the driver module, we will encounter the following error: 25.065966 General protection fault; likel...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nfsd: Fixed the startup race issue with nsfd again. The commit bd5ae9288d64 "nfsd: register pernet ops last, unregister first" re-opened the race in rpcpipefsevent, which was related to the registration of nfsdnetid using...

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: misc: pciendpointtest: Free IRQs before removing the device. In the pciendpointtestremove function, freeing the IRQs after removing the device creates a small race window during the test process. This allows IRQs to be received b...

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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: afbluetooth: Fixed deadlock issue Attempting to use socklock on .recvmsg may cause a deadlock as shown below. Therefore, instead of using socksock, use skreceivequeue.lock on btsockioctl to avoid UAF: INFO: Task...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: efct: Fixed a possible memory leak in efctdeviceinit. In efctdeviceinit, when efctscsiregfctransport fails, efctscsitgtdriverexit is not called to release memory used by efctscsitgtdriverinit, resulting in a memory leak:...