Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Fix command flush on cable pull The system crashed due to a command failing to be flushed back to the SCSI layer. BUG: Unable to handle a NULL pointer dereferencing in the kernel at 0000000000000000 PGD 0 P4D 0...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Added a NULL check for ‘replay’ in ‘edpsetreplayallowactive’. In the first if statement, we are checking whether ‘replay’ is NULL. However, in the second if statement, we do not check whether ‘replay’ is NULL aga...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: serial: core: Clearing the circular buffer before NULLifying it The circular buffer is NULLified in the uartttyportshutdown function, under the spin lock. However, the PM or other timer-based callbacks may still trigger after thi...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: pinctrl: aspeed: Fixed a potential NULL dereferencing in aspeedpinmuxsetmux. pdesc could potentially be null, but still, dereferencing pdesc-name would lead to a NULL pointer access. Therefore, we moved a null check before the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fixed null ndlp pointer dereferencing in an abnormal exit path for GFTID An error case resulting from exiting from lpfccmplctcmdgftid causes a call to lpfcnlpput, where a null pointer is used to reference the nodelist...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sfc: Fixed the null pointer dereference in efxhardstartxmit. Trying to access the channel through the txqueue variable is incorrect because we can only be in this situation if txqueue is NULL. Therefore, we should not dereference...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: fixed the issue of parameter context leaks during the damonsysfsnewtestctx function failure. Patches in the series “mm/damon/sysfs: fixed memory leaks and NULL pointer dereferencing issues”, version 4. DAMONSYSFS...

Astra Linux – Vulnerability in Linux, Linux 5.10

A race condition flaw was discovered in the Linux kernel sound subsystem due to improper locking mechanisms. This could lead to a NULL pointer derefrence during the handling of the SNDCTLDSPSYNC ioctl command. A privileged local user such as root or a member of the audio group could exploit this...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: For qca devices, a bug was fixed where a NULL pointer dereferencing occurred in cases where no SERVICE mode was set. Qualcomm ROME controllers can be registered through the Bluetooth interface. In this case, the HCI...

Astra Linux – Vulnerability in Linux, Linux 5.10

A NULL pointer dereference flaw was discovered in the btrfsrmdevice function in fs/btrfs/volumes.c within the Linux Kernel. Triggering this bug requires ‘CAPSYSADMIN’. This flaw allows a local attacker to crash the system or leak internal kernel information. The greatest threat posed by this...

Astra Linux – Vulnerability in Linux 5.15

A NULL pointer dereference flaw was discovered in the Linux kernel’s drivers/gpu/drm/msm/msmgemsubmit.c code, specifically in the submitlookupcmds function. This flaw occurs because there is no check on the return value of kmalloc. This issue allows a local user to crash the system...

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: net: hns3: Fix for kernel crashes when 1588 messages are received on HIP08 devices. HIP08 devices do not register ptp devices. As a result, hdev-ptp is NULL. However, the hardware can receive 1588 messages and set the HNS3RXDTSVL...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: hwmon: coretemp Check for null before removing sysfsattrs. If coretempaddcore encounters an error, pdata-coredataindx is already NULL and has been freed. Do not pass this value to sysfsremovegroup, as it will cause a crash in...

Astra Linux – Vulnerability in Mutt

Null pointer dereferencing when composing from a specially crafted draft message in Mutt 1.5.2 2.2.12...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: afs: Fixed dynamic root getattr The recent patch to modify afagetattr to consult the server did not take into account the pseudo-inodes used by the dynamic root-type afa superblock. As a result, there was an oops when such a...

Astra Linux – Vulnerability in Parsec

The vulnerability of the hashinitialize function in the PARSEC security subsystem is related to the assignment of a null pointer. Exploiting this vulnerability allows an attacker to cause a service failure...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt7601u: Fix an integer underflow An integer underflow caused by a null pointer dereference occurred in mt7601urxskbfromseg. The variable dmalen in the URB packet could be manipulated, which could trigger an integer underfl...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix tc flower deletion for VLAN priority Rx steering To replicate the issue: 1 Add a tc flower filter for VLAN Priority-based frame steering: $ IFDEVNAME=eth0 $ tc qdisc add dev $IFDEVNAME ingress $ tc qdisc add dev...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mptcp: never allow the PM to close a listener subflow Currently, when deleting an endpoint, the netlink PM traverses all local MPTCP sockets, regardless of their status. If an MPTCP listener socket is bound to the IP correspondin...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fixed NULL page-mapping dereference in pageissecretmem Checked for a NULL page-mapping before dereferencing the mapping in pageissecretmem, as the page’s mapping can be nullified while gup is running, for example, b...