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: tty: serial: pchuart: added a check for dmaalloccoherent A check for a failure with dmaalloccoherent has been added to prevent a potential dereferencing of a NULL pointer in dmahandlerx. Properly release DMA channels and the...

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: Wifi: brcmfmac: A NULL pointer dereference occurred in the brcmftxfinalize function. When the device is removed or the kernel module is unloaded, a potential NULL pointer dereference may occur. The following sequence leads to the...

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: ipv6: Added NULL checks for idev in SRv6 paths. in6devget may return NULL when the device has no IPv6 configuration e.g., when MTU IPV6MINMTU, or after NETDEVUNREGISTER. Added NULL checks for idev returned by in6devget in both...

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 found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nfs: Handling of failures in nfsgetlockcontext during unlock path When memory is insufficient, the allocation of nfslockcontext in nfsgetlockcontext fails and returns -ENOMEM. If we mistakenly treat an nfs4unlockdata structure...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: A NULL pointer dereference occurred in amdgpudmconnectoraddcommonmodes. In amdgpudmconnectoraddcommonmodes, amdgpudmcreatecommonmode assigns mode to mode, and mode is directly passed to drmmodeprobedadd...

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: cpufreq: Fixed a race condition during reboot During system reboot, cpufreqsuspend is called via the kernelrestart - deviceshutdown path. Unlike the normal system suspend path, the reboot path does not call freezeprocesses, so...

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: L2CAP: Fixed a nullptrderef issue in l2capsockstatechangecb. Added the same NULL guard that already exists in l2capsockresumecb and l2capsockreadycb...

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: Fixed potential NULL pointer dereferences in dcn10setoutputtransferfunc. The stream pointer is used in dcn10setoutputtransferfunc before checking whether stream is NULL. The issue was fixed in:...

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: v: Stop OGMv2 on disabled interfaces When the batadvhardiface is disabled, its meshiface pointer is set to NULL. However, batadvvogmsendmeshif may still dispatch OGM messages via batadvvogmqueueonif for interfaces tha...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: mt7921: Drop TXRXNOTIFY on non-MMIO buses PKTTYPETXRXNOTIFY is an event exclusive to MMIO operations. However, mt7921rxcheck and mt7921queuerxskb dispatch this event to mt7921mactxfree on every bus. mt7921mactxfree...

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 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 – 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...