Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bug: Unchecked dereferencing of a NULL pointer in the kernel. Address: 0000000000000000 Causes: - ip6rcvcore net/ipv6/ip6input.c:190:20 - ipv6rcv net/ipv6/ip6input.c:306:8 - processbacklog net.core/dev.c:6186:4 - napipoll...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: platform/surface: acpi-notify: Check ACPI companion before use Since every platform driver may be forced to match a device that does not match its list of device IDs due to devicematchdriveroverride, platform drivers that rely on...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: Refactor the bind path to use free After a bind/unbind cycle, the ncm-notifyreq remains stale. If a subsequent bind fails, the unified error handling mechanism attempts to free this stale request. This leads to...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs-srv: Avoid null pointer deref during path establishment. For RTRS path establishment, the RTRS client initiates and completes connection establishment. After establishing all its connections, information is exchanged...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: ipu3imggu: Fixed NULL pointer dereferencing in active selection access. The IMGu driver handled this by first acquiring the pointers to the active devices, then attempting to use V4L2 subdev functions. Only after that did ...

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

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Added a check for cstate. Since kzalloc may fail and return a NULL pointer, it would be better to check the cstate to avoid dereferencing the NULL pointer in drmatomichelpercrtcreset. Patchwork:...

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/sched: clsflow: Fixed a NULL pointer dereferencing on shared blocks. The flowchange function calls tcfblockq, and dereferences q-handle to derive a default baseclass. Shared blocks leave block-q NULL, causing a NULL dereferen...

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

In the Linux kernel, the following vulnerability has been resolved: arm64: acpi: Harden the getcpuforacpiid function to prevent errors when a missing CPU entry is used. During a review discussion of the changes to support vCPU hotplug, it was noted that a check was added to ensure the GICC Global...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/i915: A flaw that prevents NULL driverdata values in i915pciprobe. The pcimatchdevice function may return the dummy pcideviceidany entry when a device is forced-bound via sysfs using driveroverride. In this case, -driverdata ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: Features are now recalculated after XDP is disabled, fixing the issue of null dereferencing. Features are recalculated when XDP is disabled. Before: bash ip li set dev eth0 xdp obj xdpdummy.bpf.o sec xdp ip li set dev...

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: batman-adv: dat: handle forward allocation error The batadvdatforwarddata function calls pskbcopyforclone to duplicate an skb for each DHT candidate. However, it does not check the return value before passing it to the...

Astra Linux – Vulnerability in gst-plugins-good1.0

GStreamer is a library for constructing graphs of media-handling components. A null pointer dereference vulnerability has been discovered in the gstmatroskademuxupdatetracks function within matroska-demux.c. The vulnerability occurs when the gstcapsisequal function is called with invalid caps...

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

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dsi: Added a missing check for allocorderedworkqueue. Added a check on the return value of allocorderedworkqueue, as it may return a NULL pointer, leading to a NULL pointer dereferencing issue. Patchwork:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mtd: lpddr2nvm: Fixed a possible null-ptr-deref issue. This issue could lead to a null-ptr-deref when the resourcesizeaddrange function is called, if the platformgetresource function returns NULL...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Drivers: vmbus: Check for channel allocation before looking up relid. relid2channel assumes that the vmbus channel array is already allocated when it is called. However, in situations like kdump/kexec, not all relids will be rese...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: dax: Reading daxdev-holderops once in daxholdernotifyfailure daxholdernotifyfailure reads daxdev-holderops twice without using READONCE. Once for the NULL check, and once for the indirect notifyfailure call. A concurrent...

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: Bluetooth: hcildisc: Clearing HCIUARTPROTOINIT upon error When hciregisterdev fails in hciuartregisterdev, HCIUARTPROTOINIT is not cleared before calling hu-proto-closehu and setting hu-hdev to NULL. This means that incoming UART...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: ndisc: fix NULL dereference in acceptuntrackedna The acceptuntrackedna function re-fetches the inet6dev using in6devgetdev, and dereferences idev-cnf.acceptuntrackedna without a NULL check. This occurs even though its only...

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: Bluetooth: Fixed null-ptr-deref in l2capsockresumecb. syzbot reported null-ptr-deref in l2capsockresumecb. 0 l2capsockresumecb has a similar issue that was fixed in commit 1bff51ea59a9 “Bluetooth: fixed use-after-free errors i...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Net: tap: A NULL pointer dereference occurred in devparseheaderprotocol when skb-dev is null. This bug is triggered by the tap driver. When tapgetuser calls virtionethdrtoskb, skb-dev is null since skb-dev is set after the call t...