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: ipv6: exthdrs: refreshing the nh pointer after ipv6hopjumbo The ipv6hopjumbo function calls pskbtrimrcsum, which can change skb pointers. Let’s recalculate the nh pointer to ensure that any changes won’t cause issues...

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 in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fixed afunix nullptrderef in proto update unixstreamconnect sets skstate WRITEONCEsk-skstate, TCPESTABLISHED before it assigns a peer unixpeersk = newsk. skstate == TCPESTABLISHED makes sockmapskstateallowed believe...

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

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: corrected the order of the prelimref arguments in btrfsprelimref The btrfsprelimref function calls the old and new reference variables in the incorrect order. This causes a NULL pointer dereference because oldref is...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: mana: Added NULL guards in the teardown process to prevent panics during attach failures. When queue allocation fails halfway through, error cleanup releases variables apc-txqp and apc-rxqs containing NULL values. Multipl...

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: drm/vboxvideo: Replace the fake VLA at the end of vbvamousepointershape with a real VLA. Replace the fake VLA at the end of the vbvamousepointershape structure with a real VLA to fix a “memcpy: detected field-spanning write error...

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

In the Linux kernel, the following vulnerability has been resolved: dm: Fix NULL pointer dereferencing in dmsuspend. There is a race condition between the suspension of the dm device and the loading of data into the table, which can lead to a NULL pointer dereferencing. This issue occurs when the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Added a NULL pointer check for kzalloc Why & How Check the return pointer of kzalloc before using it...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Fixed pointer-leak due to insufficient speculative store bypass mitigation To mitigate Spectre v4, the patch 2039f26f3aca “bpf: Fixed leakage due to insufficient speculative store bypass mitigation” includes instructions...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: xilinx: formatterpcm: fixed the streamdata leak upon open failure In xlnxformatterpcmopen, streamdata is allocated, and adata-playstream or adata-capturestream is assigned early. If a subsequent function, such as...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Input: psxpad-spi – Set the driver data before use. The psxpadspisuspend function retrieves the controller state using spigetdrvdata, but the probe never stores this state. As a result, the suspend function dereferences a NULL...

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 in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: hwmon: lm90 Only report alarms if the driver is ready. The user space can read sysfs attributes before the driver registration is complete, immediately after the devmhwmondeviceregisterwithinfo function is called. At that time,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: fixed the null-ptr-deref issue in hugetlbfsParseParam Syzkaller reported a null-ptr-deref bug as follows: ====================================================== KASAN: null-ptr-deref in range...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ALSA: gus: check the return value of sndctlnew1 The sndctlnew1 function may return NULL when memory allocation fails. The sndgf1pcmvolumecontrol function does not check the return value before dereferencing kctl-id.index, whic...

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

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fixed a UAF in blkcgunpinonline. blkcgunpinonline traverses the blkcg hierarchy to set the object as online. To traverse this hierarchy, it uses blkcgparentblkcg, but this call occurs after blkcgDestroyBlksblkcg, whic...

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: media: uvcvideo: Remove dangling pointers When an async control is written, we copy a pointer to the file handle that initiated the operation. That pointer will be used when the device is completed—which could happen at any time ...

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: media: vidtv: Fixed a null pointer dereference in vidtvmuxstopthread. A report from syzbot indicated a null pointer dereference in vidtvmuxstopthread. 1 If dvb-mux is not initialized successfully by vidtvmuxinit in...

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: smb: client: Added a check for nextbuffer in receiveencryptedstandard. Added a check on the return values of cifsbufget and cifssmallbufget in receiveencryptedstandard to prevent null pointer dereferencing...