Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: xen/netback: Avoid entering xenvifrxnextskb with an empty rx queue. xenvifrxnextskb expects the rx queue not to be empty. However, if the loop in xenvifrxaction performs multiple iterations, the availability of another skb in the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: usb: xhciplatremove: avoid NULL dereference Since commit 4736ebd7fcaff1eb8481c140ba494962847d6e0a “usb: host: xhci-plat: omit shared hcd if either root hub has no ports”, xhci-sharedhcd can be NULL, which causes the following...

Astra Linux – Vulnerability in Linux 5.10

A flaw was discovered in the Linux kernel. A null pointer dereference in the bondipsecaddsa function may lead to a local denial of service...

Astra Linux – Vulnerability in opusfile

A null pointer dereference issue was discovered in the functions opgetdata and opopen1 in opusfile.c. In versions 0.9 through 0.12 of xiph opusfile, this issue allows attackers to cause denial of service or other unspecified impacts...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iouring: Fixed a null-ptr-deref in iotctxexitcb. Syzkaller reports a NULL deref bug as follows: BUG: KASAN: null-ptr-deref in iotctxexitcb+0x53/0xd3 Read of size 4 at address 0000000000000138 by task file1/1955 CPU: 1 PID: 195...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fixed a possible NULL pointer dereferencing in sndusbpcmhasfixedrate. The argument of the subs function may be NULL; therefore, do not use it before a NULL check...

Astra Linux – Vulnerability in linux-astra-modules-5.4, linux-astra-modules-5.10

The vulnerability of the pdplPut function in the linux-astra-modules kernel module is related to the assignment of a null pointer. Exploiting this vulnerability allows an attacker to cause a service failure...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Added NULL pointer dereferencing checking at the end of attrallocateframe. It is preferable to exit through the out: label because internal debugging functions are located there...

Astra Linux – Vulnerability in Qemu

A NULL pointer dereference flaw was discovered in the floppy disk emulator of QEMU. This issue occurs when processing read/write ioport commands, especially if the selected floppy drive is not initialized using a block device. This flaw allows a privileged guest user to crash the QEMU process on...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: Intel: Boards: The issue of NULL pointer dereferencing in BYT/CHT boards has been fixed. Since commit 13f58267cda3 “ASoC: soc.h: Do not create dummy components via COMPDUMMY”, dummy codecs were declared as follows:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: sched/fair: Fixed an error in reweightentity. Syzbot detected a GPF in reweightentity. This issue has been fixed in commit 4ef0c5c6b5ba “kernel/sched: Fixed the issue where schedfork accesses an invalid schedtaskgroup”. There ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fixed the bug: KASAN: null-ptr-deref in rxeqpdocleanup. The function rxecreateqp calls rxeqpfrominit. If an error occurs, the error handler for rxeqpfrominit will set both scq and rcq to NULL. Then, rxecreateqp calls...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drbd: Only clone the bio if there is a backing device available. The commit c347a787e34cb drbd: changed -bibdev to -bibdev in drbdreqnew moved the biosetdev call which has since been removed to an earlier stage, from...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Check the ‘folio’ pointer to ensure it is not NULL. It can become NULL if the bbmap function is called...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/panel: ili9341: fix optional regulator handling If the optional regulator lookup fails, reset the pointer to NULL. Other functions such as mipidbipoweronconditional only perform a NULL pointer check; otherwise, they will...

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: scsi: qla2xxx: Avoid dereferencing the fcport pointer. Klocwork reported a warning that a NULL pointer might be dereferenced. The routine exits when saCTL is NULL and fcport is allocated after the exit call. This causes the NULL...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Firmware: armscmi: Fixed a double-free in the SMC transport cleanup process. When the generic SCMI code destroys a channel, it calls the chanfree callback function, which is defined by each transport. Since multiple protocols may...

Astra Linux – Vulnerability in evolution-data-server

In GNOME evolution-data-server before 3.35.91, a malicious server can crash the mail client by dereferencing a NULL pointer, by sending an invalid e.g., minimal CAPABILITY line during a connection attempt. This issue is related to the imapxfreecapability and imapxconnecttoserver functions...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed a NULL pointer dereferencing in dcn401inithw. dcn401inithw assumes that updatebwboundingbox is valid when entering the update path. However, the current condition: !fams2enable && updatebwboundingbox ||...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: tls: Fixed a NULL dereference issue in tlsswspliceeof, where an empty plaintext/ciphertext buffer could cause confusion in the sendfile process. When the plaintext/ciphertext skmsg is empty, the send path becomes confused because...