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

In the Linux kernel, the following vulnerability has been resolved: clk: Fixed the issue where clkcoreget could dereference a NULL value. It is possible for clkcoreget to dereference a NULL value in the following sequence: c clkcoreget ofclkgetHWFromClkspec ofclkgetHWFromProvider clkgetHW clkgetH...

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

In the Linux kernel, the following vulnerabilities have been resolved: ipv4: Check for a NULL idev in iprouteusehint. The syzbot was able to trigger a NULL deref in fibvalidatesource in an old tree 1. It appears that this bug still exists in the latest trees. All calls to indevgetrcu must be...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fixed a NULL pointer dereferencing in gfs2logFlush. In gfs2jindexfree, sdp-sdjdesc was set to NULL under the log flush lock to prevent dereferencing of sdp-sdjdesc during gfs2logFlush. In gfs2logFlush, it was checked whethe...

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

In the Linux kernel, the following vulnerability has been resolved: Bonding: Fix for xfrm realdev null pointer dereference We should not set realdev to NULL, because packets may still be in transit, and xfrm might call xdodevoffloadok in parallel. All callbacks assume that realdev is set. Example...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: i3c: mipi-i3c-hci: Masking of ring interrupts before the ring stop request is made. The bus cleanup path in DMA mode may trigger a RINGOPSTAT interrupt when the ring is being stopped. Depending on the timing between the completio...

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

In the Linux kernel, the following vulnerability has been resolved: gtp: fixed a potential NULL pointer dereferencing issue. When sockfdlookup fails, gtpencapenablesocket returns a NULL pointer. However, its callers only check for error pointers, thereby missing the NULL pointer case. This issue...

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

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Fixed a null pointer dereference in the trace function. ucsiregisteraltmode checks if ISERR is true for the alt pointer and treats NULL as valid. When CONFIGTYPECDPALTMODE is not enabled, ucsiregisterdisplayport...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fixed the potential NULL pointer dereferencing in nilfsbtreeinsert The patch series “nilfs2: fixes potential issues with empty B-tree nodes” addresses three potential issues with empty B-tree nodes that can occur with...

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

In the Linux kernel, the following vulnerability has been resolved: RDMA/cxgb4: Added a NULL check for the lookupatid function. The lookupatid function may return NULL if the ATID is invalid or does not exist in the identifier table. This could lead to dereferencing a null pointer without any...

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

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: fixed a NULL pointer dereference when attempting to start a new transaction. BUG Syzbot reported a NULL pointer dereference, accompanied by a crash: FAULTINJECTION: Forced a failure. starttransaction+0x830/0x1670...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwlwifi: mvm: Avoid NULL pointer dereferencing The functions iwlmvmtxskbsta and iwlmvmtxmpdu check that the mvmvsta pointer is not NULL. This pointer is retrieved using iwlmvmstafrommac80211, which dereferences the...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Null pointer checking is performed before dereferencing se. WHAT & HOW The variable se is previously checked for being a null pointer in the same function. This means it might be null; therefore, it must be check...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbcon: A NULL pointer dereference issue was fixed in fbconputcs. syzbot has identified a NULL pointer dereference bug in fbcon. Here is the simplified C code for the reproduction of the issue: c struct param uint8t type; struct...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: pinctrl: apple: check the value returned by devmkasprintf. devmkasprintf may return a NULL pointer in case of failure, but this returned value is not checked. Fix this issue and validate the returned value. Found during code revi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed an issue where an uninitialized pointer was freed during the readalloconename function. The readalloconename function does not initialize the name field of the passed fscryptstr structure if kmalloc fails to allocate...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed an uninitialized pointer-free operation in addinoderef The addinoderef function does not initialize the “name” struct when it is declared. If any of the following calls to readoneinode returns NULL, dir = readone...

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: ftrace: A regression was fixed related to the module command in stacktracefilter. When executing the following command: echo "write:mod:ext3" /sys/kernel/tracing/stacktracefilter The current mod command causes a null pointer...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: imx-jpeg: Set video drvdata before registering the video device The video drvdata should be set before the video device is registered. Otherwise, videodrvdata may return NULL in the open file operations, leading to errors...

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: leds: class: Protect access to brightnessshow using ledcdev-ledaccess mutex There is a NULL pointer issue observed when Process A adds a hid device, resulting in the addition of a ledcdev object. Subsequently, another call to...

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: HID: wacom: fix when get product name maybe null pointer Due to incorrect dev-product reporting by certain devices, null pointer dereferences occur when dev-product is empty, leading to potential system crashes. This issue was...