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: xenbus: Use kref to track the lifetime of requests. Marek reported seeing a NULL pointer fault in the xenbusthread call stack: BUG: NULL pointer dereferencing in the kernel; address: 0000000000000000 RIP:...

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: soc: aspeed: lpc-snoop: Do not disable channels that are not enabled. The following issues have been mitigated: echo 1e789080.lpc-snoop /sys/bus/platform/drivers/aspeed-lpc-snoop/unbind ... 120.363594 Unable to handle a NULL...

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: Issue: unittest – Fix null pointer dereferencing in ofunittestfindnodebyname Description: When kmalloc fails to allocate memory in kasprintf, name or fullname will be NULL, and strcmp will cause a null pointer dereference...

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

In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Added a check for kstrdup. Added a check on the return value of kstrdup, and return an error if it fails, in order to avoid NULL pointer dereferencing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: gpu: lontium-lt9611: Fixed a NULL pointer dereference in lt9611connectorinit. A NULL check on bridge-encoder indicates that it may be NULL, but it has already been dereferenced on all paths leading to the check. 812: if...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: Net: If sock is not available, do not access sock's skwq in skstreamwaitmemory. The following NULL pointer dereferences have also been fixed: ... 14.471200 Call Trace: 14.471562 14.471882 lockacquire+0x245/0x2e0 14.472416 ?...

Astra Linux – Vulnerability in libusb-1.0

Libusb before version 1.0.30 contains a NULL pointer dereference vulnerability that allows attackers to crash applications by supplying a malformed USB configuration descriptor. Such descriptors may claim a bNumEndpoints value greater than zero, followed by a class-specific descriptor whose bLeng...

Astra Linux – Vulnerability in openexr

There is a null pointer reference issue in Academy Software Foundation OpenEXR 2.3.0, specifically in the generatePreview function in makePreview.cpp. This issue may lead to a denial of service if a malicious EXR file is used...

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 – Vulnerability in OpenSSL

Issue summary: When processing a delta CRL that contains the Delta CRL Indicator extension, a NULL pointer dereference may occur if the required CRL Number extension is missing. This can lead to a crash, resulting in a Denial of Service for the application. Impact summary: A NULL pointer...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: clk: meson: Added missing clocks to axgclkregmaps Some clocks were missing from axgclkregmaps, which caused kernel panic during the command cat /sys/kernel/debug/clk/clksummary. 57.349402 Unable to handle a NULL pointer...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: cx23885 – Fixed a nullptrderef bug in bufferprepare and bufferfinish. When the driver calls cx23885riscbuffer to prepare the buffer, the function call dmaalloccoherent may fail, resulting in an empty buffer risc-cpu. Later...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ALSA: jack: Access to inputdev under a mutex It is possible when using ASoC that the inputdev is not properly registered while calling sndjackreport, which can lead to a NULL pointer derefrence. To prevent this type of serialized...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: MIPS: KVM: Fix for NULL pointer dereferencing After committing change 45c7e8af4a5e3f0bea4ac209 “MIPS: Remove KVMTE support”, we encountered a NULL pointer dereferencing issue when creating a KVM guest: 146.243409 Starting KVM wit...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: phy: micrel: Fixed potential null pointer dereferencing. In functions lan8814getsigrx and lan8814getsigtx, ptpparseheader may return NULL due to abnormal packet types or corrupted packets. This bug has been fixed by adding a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsfw: fix NULL pointer dereference on shared blocks The oldmethod path in fwclassify calls tcfblockq, and dereferences q-handle. Shared blocks leave block-q as NULL, causing a NULL dereference when an empty clsfw filt...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In net/rose, there is a fix for a NULL pointer dereferencing issue in rosetransmitlink when reconnecting a socket. Syzkaller reported a bug 1, and the related code can be found at 2. ROSE sockets use four states: TCPCLOSE,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: md/raid5-cache: fixed null-ptr-deref in r5lFlushStripeToRaid The r5lFlushStripeToRaid function will check whether the list ‘flushingios’ is empty. It will then submit ‘flushbio’. However, r5llogFlushEndio clears the list first, a...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Driver Core: Fixed a potential nullptrderef in deviceadd. I encountered the following nullptrderef during fault injection testing: BUG: NULL pointer dereferencing in the kernel. Address: 0000000000000058 CPU: 2 PID: 278 Comm:...

Astra Linux – Vulnerability in Samba

A flaw was discovered in Samba’s WINS server component when running as an Active Directory Domain Controller. The WINS protocol handlers for certain request types did not properly validate incoming packets, allowing an unauthenticated remote attacker to trigger a NULL pointer dereference and caus...