Astra Linux – Vulnerability in Linux 5.10

Due to a vulnerability in the iouring subsystem, it is possible for kernel memory information to be leaked to the user process. timensinstall calls currentissinglethreaded to determine whether the current process is single-threaded. However, this call does not take into account iouring’s ioworker...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: thermal/int340xthermal: handles datavault when the value is ZEROSIZEPTR. In some cases, GDDV returns a packet with a buffer of zero length. This causes kmemdup to return ZEROSIZEPTR 0x10. As a result, datavaultread encounters a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Added NULL checks when resetting request and reply queues. The driver encountered a crash during resource cleanup when the reply and request queues were NULL due to freed memory. This issue occurred when the creatio...

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

In the Linux kernel, the following vulnerability has been resolved: r8169: Fixed possible ring buffer corruption due to fragmented Tx packets. An issue was discovered in the RTL8125b driver when transmitting small, fragmented packets. Invalid entries were inserted into the transmit ring buffer,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb/client: Avoid referencing rdata=NULL in smb2newreadreq. This occurs when calling from SMB2read while using rdma, and when reaching the rdmareadwritethreshold...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/tls: Fixed the reversed sign in calls to tlserrabort. sk-skerr seems to expect a positive value. This convention is not always followed by ktls, which can lead to memory corruption in other code. For example: c kworker...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fixed the issue where a user-after-free exception occurred when the session was logged off. There is an issue with the interaction between SMB2 session logging out and SMB2 session setup. This issue causes a user-after-fre...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix refcount leak for tagsetrefcnt This leak can cause a hang when tearing down the SCSI host. For example, iscsid hangs with the following call trace: 130120.652718 scsiallocsdev: Allocation failure during SCSI...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: s5p-mfc: Clearing workbit to handle error conditions During an error with the CLOSEINSTANCE command, ctxworkbits wasn’t cleared. Subsequently, dereferencing a NULL pointer in this context led to kernel panic. This patch...

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

In the Linux kernel, the following vulnerabilities have been resolved: ipvlan: Added a helper function for ipvlanroutev6outbound. This was inspired by reports from syzbot, which used multiple ipvlan devices in their stacks. The stack size required in ipvlanprocessv6outbound was reduced by moving...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: PCI/MSI: Fixed UAF in msicapabilityinit. KFENCE reported the following UAF: Bug: KFENCE: use-after-free read in pcienablemsirange+0x2c0/0x488. Use-after-free read at 0x0000000024629571 in kfence-12: pcienablemsirange+0x2c0/0x4...

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

In the Linux kernel, the following vulnerability has been resolved: x86: stopped playing “stack games” in the profilepc function. The profilepc function is used for timer-based profiling, which isn’t really that relevant anymore. It also makes assumptions about the stack layout that may not be...

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

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumacltcam: Fixed stack corruption When tc filters are first added to a network device, the corresponding local port is bound to an ACL group within the device. This group contains a list of ACLs, and each ACL points ...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: sfc: added re initialization of missing xdp queues When the size of the RX/TX ring buffer is changed, a kernel panic occurs when it acts as XDPTX or XDPREDIRECT. When the size of the TX/RX ring buffer is changed using...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: sched: Fixed a memory leak in tcindexsetparms. Syzkaller reports a memory leak as follows: ==================================== BUG: Memory leak Unreferenced object: 0xffff88810c287f00 size 256 Comm “syz-executor105”, pid...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: pinctrl: ocelot: fixed a system hang on level-based interrupts The current implementation only calls chainedirqenter and chainedirqexit if it detects pending interrupts. However, in cases where GPIO pins are configured in leve...

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: jfs: fixed an array-index-out-of-bounds issue in jfsreaddir. The stbl might contain some invalid values. A check was added to return an error code in such cases...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: phy: qcom-qmp: fixed the reset-controller leak in cases of probe errors. Be sure to release the lane reset controller in case of a late probe error e.g., probe deferral...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tpm: use trygetops in tpm-space.c As part of the series of changes to remove nested TPM operations: https://lore.kernel.org/all/[email protected]/ The exposure of the chip-tpmmutex was removed...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: hwmon: w83791d Fixed NULL pointer dereferencing by removing unnecessary structure fields. If the driver reads a value that is sufficient for the condition: val & 0x08 && !val & 0x80 && val & 0x7 == val 4 & 0x7 then NULL pointer...